What is the sum?
7/2+(-3/5)

Answers

Answer 1
Use pemdas. 7/2-3/5 Find common denominator and then solve. 35/10 - 6/10 = 29/10 = 2 9/10

Related Questions

according to poll for an upcoming school board election is 40% of voters are likely to vote for the incumbent. The polls show a margin of error of +-3 percent points.

Answers

But...what's the question?
Best answer is I'm not sure

What is the average rate of change of f(x), represented by the graph, over the interval [-1, 1]

Answers

The average rate of change of f(x) over the interval [-1, 1] is 5.

To find the average rate of change of f(x) over the interval [-1, 1], we use the formula:

[tex]\[ \text{Average Rate of Change} = \frac{\text{Change in } f(x)}{\text{Change in } x} \][/tex]

First, we find the change in f(x) over the interval [-1, 1]. The function values at x = -1 and x = 1 are f(-1) = -5 and f(1) = 5 respectively. So, the change in f(x) is 5 - (-5) = 10.

Next, we find the change in x over the same interval. The interval [-1, 1] has a width of 1 - (-1) = 2.

Finally, we divide the change in f(x) by the change in x to get the average rate of change:

[tex]\[ \text{Average Rate of Change} = \frac{10}{2} = 5 \][/tex]

So, the average rate of change of f(x) over the interval [-1, 1] is 5.

The regular selling price of the recliner at furniture depot is $289 the markdown room is 33% what is this sale price

Answers

193.63 sale price for the recliner at the furniture depot here is how i got it : change 33% to a decimal =0.33 then multiply that by 289 which is 95.37 use a caculater if needed then subtract that answer to 289 to get 289-95.37= 193.63 and thats how i got that answer hope that helps u:)

The original price is 50. the discount is 15%. what is the new price

Answers

15% off
15% off of 50
notice that 50 is 1/2 of hundred
15% of 100 is 15
therefor
15% of 50 is 15/2=7.5

that is discount
50-7.5=42.5

new price=$42.5

What will your answer be if you round 16.2 to the nearest whole number

Answers

if the tens place higher then 5 you round up 
if the tens place is lower then you keep the whole number 
so your answer is 16 because 2 is less then 5 

Final answer:

To round 16.2 to the nearest whole number, check the first digit after the decimal. It's less than 5, so round down to 16.

Explanation:

When rounding 16.2 to the nearest whole number, you need to look at the first digit after the decimal point, which is 2 in this case. If that digit is 5 or greater, you would round up. If it is less than 5, you round down. Since 2 is less than 5, we round down, so the whole number that 16.2 gets rounded to is 16.

A ball is thrown at a 30 degree angle above the horizontal with a speed of 10 ft/s. After 0.50s the horizontal component of it's velocity will be ____? ...?

Answers

Final answer:

The horizontal component of the velocity of a ball thrown at a 30 degree angle above the horizontal with an initial speed of 10 ft/s will remain approximately 8.66 ft/s after 0.50s, assuming no air resistance.

Explanation:

A ball is thrown at a 30 degree angle above the horizontal with a speed of 10 ft/s. After 0.50s the horizontal component of its velocity will remain the same, assuming no air resistance, because horizontal velocity in projectile motion is constant if air resistance is ignored. The vertical component will change due to gravity, but that does not affect the horizontal component.

To find the horizontal component of the velocity, we can use the cosine of the launch angle:
Horizontal velocity (v_x) = initial speed * cos(launch angle)
So, v_x = 10 ft/s * cos(30 degrees)

= 10 ft/s * (√3/2)

≈ 8.66 ft/s

As there is no horizontal acceleration in ideal projectile motion, after 0.50s, the horizontal component of the ball's velocity will still be approximately 8.66 ft/s.

Which expressions are equivalent to the one below? Check all that apply.

10x
A. 50x/5x
B. 10 • 10x - 1
C. 10 • 10x + 1
D. 50x/5
E. (50/5)x
F. x5

Answers

The expressions equivalent to 10x are 50x/5 and (50/5)x as they both simplify to 10x. The other options do not simplify to 10x. Hence option D and E are correct.

To determine which expressions are equivalent to 10x, we need to simplify each option. Let us consider the options one by one:

A.  50x/5x

To solve this a simple division is required.

⇒ (50x/5x)= 10÷(1) = 10

⇒ 10 is not equivalent to 10x.

B.  10 • 10x - 1

⇒ 100x - 10

This is not equivalent to 10x.

C.  10 • 10x + 1

⇒  10 • 10x • 10 = 100x+10 (Not equivalent to 10x)

D.  50x/5

⇒ (50/5)x = 10x (Equivalent to 10x)

E.  (50/5)x = 10x (Equivalent to 10x)F.  x⁵ (Not equivalent to 10x)

The correct answers are D and E, both of which simplify to 10x.

Every week (w) Sandra will save $10. Which algebraic expression could Sandra use to calculate how much money she has saved after any number of weeks

Answers

y=10t
where
y - her total total savings 
t - number of weeks

Heather is collecting beanbag animals. she started her collection with six beanbag animals just eight weeks ago. during each of those 8 weeks, she has been given two additional beanbag animals. how many does she have at the end of the 8th week?

Answers

22

Starts with 6

Adds 2 for 8 weeks (2*8 = 16)
16 + 6 = 22



The population of a town grows exponentially. After 1 year, the population is 34,560. After 2 years, the population is 37,325. Which equation can be used to predict, y, the number of people living in the town after x years? (Round population values to the nearest whole number.)

Answers

It seems that you have missed the given options for this question, but anyway, here is the answer. Based on the given description above, the equation that can be used to predict, y, as the number of people living in the town after x years would be this: y = 32,000(1.08)^x. Hope this is the answer that you are looking for.

1. The graph shows the miles per gallon of gasoline a car uses on a trip.



What does the rate of change represent in this situation?



Select from the drop-down menu to correctly complete the sentence.


The rate of change represents ​

OPTIONS:
a. the number of miles traveled for every one gallon of gas used
b. the number of gallons of gas used for every 1 mile
c. the distance a car travels every hour
GRAPH:


7. Which ordered pairs match the table?





x 0 1 2 1 3
y 2 2 3 4 1




​​(0, 2), (1, 2), (2, 3), (1, 4), (3, 1)

​(0, 2), (0, 2), (2, 2), (2, 3), (2, 4)

​​(1, 2), (1, 1), (2, 0), (0, 4), (2, 1)

​​(2, 0), (2, 1), (3, 2), (4, 1), (1, 3)


Answers

The graph shows how many miles per [one] gallon of gasoline. From that you know that the slope is miles per gallon because the y-axis will be number of miles and x-axis will be number of gallons. Since slope is change in y over change in x, the slope is number of gallons/mile.

Remember for ordered pairs, the x is first and the y is second. It will be (x, y).
So the first option, (0, 2), (1, 2), (2, 3), (1, 4), (3, 1), corresponds to this rule.
Final answer:

The rate of change in miles per gallon for a car trip represents the number of miles the car can travel per gallon of gasoline used. The ordered pairs (0, 2), (1, 2), (2, 3), (1, 4), (3, 1) accurately correspond with the values provided in the given table.

Explanation:

In the given situation, the rate of change of a graph showing the miles per gallon of gasoline a car uses on a trip would represent the number of miles traveled for every one gallon of gas used. This is because the rate of change in this context quantifies how much distance can be covered (in miles) using one unit of gasoline (in gallon). For instance, if the rate of change is 30, it indicates that the car can travel 30 miles using just one gallon of gasoline.

For the second part of your question, matching the ordered pairs with the table, the correct match would be (0, 2), (1, 2), (2, 3), (1, 4), (3, 1). This set of pairs corresponds accurately to the values given in your table for x and y. To understand this, you can match each x value with its corresponding y value in the table. For example, when x is 0, y is 2 - and this gives you the ordered pair (0, 2).

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Write the product of 7x7x7x7 in exponential form.

Answers

I hope this helps you



7^1.7^1.7^1.7^1


7^1+1+1+1


7^4

Answer:

7^4

Step-by-step explanation:

What is half of 1 and 1/4 cups?

Answers

1/2 of 1 and 1/4=
1/2 times (1+1/4)
1+1/4=4/4+1/4=5/4
1/2 times 5/4=5/8

it is 5/8 cups

The value of the phrase is 5/8.

What are arithmetic operators?

A subfield of mathematics known as arithmetic operations deals with the study and application of numbers to all other subfields of mathematics. Operations like addition, subtraction, multiplication, and division make up the bulk of them.

We use these fundamental mathematical operations every day (plus, minus, and). Arithmetic operations are used in every aspect of our lives, whether we need to figure out the annual budget or divide something equally among several people.

Given a phrase half of 1 and 1/4 cups,

1 and 1/4 = 1 + 1/4 = 5/4

and half of 5/4 is

1/2(5/4)

1/2 x 5/4 = 5/8

Hence the value is 5/8.

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The table shows the heights in inches of trees after they have been planted. Determine the equation which relates x and y.

Height In Pot, x | Height Without Pot, y
30 | 18
36 | 24
42 | 30
48 | 36


A. y = x - 6
B. y = x - 10
C. y = x - 12
D. y = x + 6

Answers

The answer is C. y = x - 12

Let's check all choices.
A. y = x - 6
    18 = 30 - 6
    18 = 24
INCORRECT

B. y = x - 10
    18 = 30 - 10
    18 = 20
INCORRECT

C. y = x - 12
    18 = 30 - 12
    18 = 18
CORRECT
    24 = 36 - 12
    24 = 24
CORRECT
...

D. y = x + 6
    18 = 30 + 6
    18 = 36
INCORRECT

Nina bought a sweater for 30% off of the original price. The original price was $56. How much did Nina pay for the sweater? Show your work.

Answers

Answer : $35.84

Nina Paid $35.84 for the sweater :)


56×0.30
=16.8
56-16.8=39.2

h(x)=(g o f)(x)=1/(x+3)^2 which of the fallowing could be a possible decomposition of h(x)? A. f(x)=1/x^2;g(x)=x+3 B. f(x)=x+3; g(x)=1/x^2 C.f(x)=x^2; g(x)=x+3 D. f(x)=1/x;g(x)=x+3

...?

Answers

f(x)=x+3; g(x)=1/x^2

If you take B f(x)=x+3 g(x)=1/x^2 plug the f(x) into the g(x) formula (in other words, f(x) becomes the x for g) g(x)=1/x^2 g(x)=1/(x+3)^2
I am pretty sure that the only possibl decomposition of the finction represented above is being revealed by the second option -  B. f(x)=x+3; g(x)=1/x^2. I choose this one because I plugged the f(x) into the g(x) and that's what I got :[tex]g(x)=1/x^2 g(x)=1/(x+3)^2[/tex]

The graph of an absolute value function contains the points (1, 2), (0, 0), and (–1, 2). Shawn thinks the function this graph represents is f(x) = 2|–x|. Brielle thinks the function this graph represents is f(x) = 2|x|. Determine who is correct and explain why.

Answers

Answer:

The absolute value parent function is symmetric with respect to the y-axis.  

The graphs of f(x) = 2|–x| and f(x) = 2|x| are identical because the absolute value of negative x is a reflection across the y-axis.  

If you substitute the three given points into both functions, they produce true statements.

Step-by-step explanation:

Determine which two values the following expression is between.

√37

A. 7 and 8
B. 5 and 6
C. 4 and 5

Answers

Answer: None of the above.
__________________________
Explanation: At this very moment that I submit this answer, the question given consists SOLELY of the following text:
____________________________________
"Determine which two values the following expression is between. 

√37" 
___________________________
Furthermore, At this very moment that I submit this answer, the answer choices given consist solely of the following (there are no updates, comments, etc.):
__________________
"A. 7 and 8 
 B. 5 and 6 
 C. 4 and 5"
________________
Note, the square root of 36; or √36, is 6. The square root of 49, or √49, is 7.
So, √37 is going to be very close to "6", and a LITTLE bit more than "6" but not much more."  It will be a LOT LESS than "7".
________________
So Answer choice [B]: between 5 and 6 is incorrect; it will be a bit over "6".
So Answer choice [C]: between 4 and 5 is incorrect.  Again, it will be over                                                                                                      "6".
Answer choice [A]: between 7 and 8 is incorrect.  It will be much a bit over                                                                         "6"—but much lower than                                                                                         "7".
________________________________________________________
If there were an answer choice, "between 6 and 7", then that would be correct.

Answer:

none there would be an answer if it was 3√7

Step-by-step explanation:

2614/7=6(47/6b+11/6)

Answers

2614 = 6( 47 + 11 )
   7           6b     6
multiply everything by the lcm of the denominator, 42b
15684 b = 6b( 6( 47 + 11 )
                          6b     6
15684 b = 6b( 282 + 66 )
                      6b      6
15684 b = 284 + 66 b
15618 b = 284
b =  142  = 0.01818
      7809

what is the quotient when -3^3 +5x+14 is divided by x-2? pleas hurry

Answers

The quotient is -3x² + 3x + 8.

To find the quotient when [tex]\(-3x^3 + 5x + 14\)[/tex] is divided by x - 2, we can use polynomial long division.

The dividend is [tex]\(-3x^3 + 0x^2 + 5x + 14\)[/tex] (since there is no [tex]\(x^2\)[/tex] term) and the divisor is x - 2.

1. Divide the first term of the dividend by the first term of the divisor: [tex]\(-3x^3 \div x = -3x^2\)[/tex].

2. Multiply the divisor by the result of step 1: [tex]\((-3x^2)(x - 2) = -3x^3 + 6x^2\).[/tex]

3. Subtract the result of step 2 from the dividend: [tex]\((-3x^3 + 0x^2 + 5x + 14) - (-3x^3 + 6x^2) = -6x^2 + 5x + 14\).[/tex]

4. Repeat the process with the new dividend [tex]\(-6x^2 + 5x + 14\)[/tex].

Continuing the division process, we find the quotient:

[tex]\[ \frac{-3x^3 + 5x + 14}{x - 2} = -3x^2 + 3x + 8 \][/tex]

So, the quotient is -3x² + 3x + 8.

steps on why 3-0.3=2.7

Answers

Because 2.7+0.3equals 3
You have one nr after the dot ( point) and so the answer will be with one nr after the dot

Find the derivative of cos2theta.

Answers

the answer

let y=cos2theta.

y'= -2sin2theta.

Given the table of candy distribution below. find P(Not blue). the probability of selecting anything but an blue candy at random from a large bag.
Red=0.13 Orange=0.20 Yellow=? Green=0.16 Blue=0.24 Brown=0.13

Answers

Does it need to be a percentage ?  Percentage wise, 76% chance of not being a blue.

Since, probability of selecting a blue candy and anything but a blue candy are mutually exclusive events, the probability of selecting anything but an blue candy at random from a large bag = P(Not blue) = 0.76

What are mutually exclusive events?

In logic and probability theory, two events are mutually exclusive or disjoint if they cannot both occur at the same time.

P(Blue) + P(Not blue) = 1 (mutually exclusive events)

0.24 + P(Not blue) = 1

P(Not blue) = 1 - 0.24 = 0.76

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Kelly invested $1,500 in the stock market on january 1. she lost 1/3 of it by the end of january and 2/5 of the remaining amount by the end of february. how much did she have left?

Answers

Kelly invested $1,500 in the stock market on January 1 She lost 1/3 of it by the end of January or that is: (1/3)*1500 = $500 the remaining amount is 1500 - 500 = $1,000 she lost 2/5 of the remaining amount by the end of February: (2/5)1000 = $400 what is left is: 1000 - 400 = $600.

12 roses cost 18.96 how much is 5 roses

Answers

18.96/12 = 1.58 1.58*5 = 7.90

so the answer is 7.90

what is 1/4 divided by 5?

Answers

1/4 divided by 5 is 0.05 or 1/20

1/4 divided by 5 results into '0.05'

Given that we need to find 1/4 divided by 5

Thus let the required answer be denoted as "A"

Thus using basic definitions of divisions and fractions we can find out the resultant value

[tex]A=\frac{\frac{1}{4} }{5} \\A=\frac{1}{4*5} \\A=\frac{1}{20}[/tex]

Thus '1/20' is  the required answer

Now the resultant value can also be simplified to get a decimal value

[tex]A=\frac{1}{20} \\A=\frac{1}{2*10} \\A=\frac{1}{2} *\frac{1}{10} \\A=0.5*0.1\\A=0.05[/tex]

Thus '0.05' is the final answer

what is the median of this data set

21 63 84 126

Answers

The answer is provided in the image attached.

davis donates 4/13 of his paycheck to his favorite charity. if he donated $26.80 what is the amount of his paycheck?

Answers

Probably not correct but i think its $87.10.

Which of the following also describes a tetrahedron?

a. regular prism
b. regular pyramid
c. regular polygon
d. a cube ...?

Answers

A tetrahedron is also called a regular triangular pyramid.

option b is the correct answer.
B. A regular pyramid is a tetrahedron, because it is composed of four triangles, has six straight edges, and four vertex corners. 

What is 37/15 as a mixed numbers?

Answers

I believe 2 7/15 is the answer:)
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