What is the sum of -2 and -7?

Answer:

|-8|=8

Step-by-step explanation:

Answer:

What are the equations? The answer would be 8.  Its A

Step-by-step explanation:

Step-by-step explanation:

2

Example, 2*2=2^2

Hope it helped❤️

Answer:

to the power of 2

for example you can be asked to find the square number of 5 which is the same as 5²= 25

Answer:

B

No Step-by-step explanation:

Answer:

C

Step-by-step explanation:

c has te same angle and degrees as 3 plz mark brainist and rate

Answer:

Use 1 cup sugar to make 2 dozen (24) cookies.

Step-by-step explanation:

Recall that 1 dozen = 12 pieces

Write and solve an equation of ratios:  # of cookies on one side and # of cups of sugar on the other side:

  18 cookies         (3/4) cup sugar

--------------------- =  ------------------------

 24 cookies                      x

Cross-multiplying results in:

18x = 18, so that x must be 1.

Use 1 cup sugar to make 2 dozen (24) cookies.

Answer:

8

Step-by-step explanation:

Take the length and multiply it by 2. then take your answer and multiply it by the perimeter. Then, take that answer and divide it by 2. Hope this helps :)

Hello.

To find the perimeter of a rectangle, use the formula P = 2(l + w).

Input 39 as l.

94 = 39 + 39 + w + w

Simplify

94 = 78 + 2w

Subtract the two known numbers

94 - 78 = 16

16 = 2w

So that means w = 8.

The width is 8.

Answer:

1.  Look for factors that each term has in common.

    They all have a "b" so factor that out.

    a2b + 2ab - 8b = b(a2 + 2a - 8)

2.  Factor the remaining polynomial.

     Factors of -8 that add to 2 are 4(-2)

     a2 + 2a - 8 = (a+4)(a-2)

Final answer:  b(a+4)(a-2)

Step-by-step explanation:

Answer:

8.6

Step-by-step explanation:

two exterior angles for those angles would be 140 and 85

Answer:

A = 4N + 5

A + N = 120

Step-by-step explanation:

Given that

A = Number of AFC cars

N = Number of NFC cards

And, Total cards is 120

Now

the equation would be

A + N = 120

Also

The number of AFC is 5 more than 4 times the number of NFC cards

So,

A = 4N + 5

Therefore

A = 4N + 5

A + N = 120

Hence, the system of equations that should be used is A = 4N + 5 and A + N = 120 respectively

Answer:

The student took 28 classes.

Step-by-step explanation:

687-15=672

672/24=28

cross multiply and solve for x. x is about 6.43

Answer:

x = 45/7 or 6.428 (6.43)

Step-by-step explanation:

Answer: the last one

Step-by-step explanation:

Answer:

x = 5

Step-by-step explanation:

There are two possible ways to look at this equation, but each way the answer is the same

first

(3x / 24) = (120 / 192)

solve using cross products

24 * 120 = 3x * 192

2880 = 576 x

/ 576     /576

5 = x

second

(3x / 120) = (24 / 192)

solve using cross products

3x * 192 = 24 * 120

576 x = 2880

/576      /576

x = 5

Answer:

100 people.

Step-by-step explanation:

$4,000 (total budget) - $80 (clean-up fee) = $3,920

$3,920 divided by $39 per person = 100.51

A total of 100 people could be invited for the Neely's to stay within their budget.

The greatest number is 100 people that they may invite and still stay within their budget.

Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions.

We have been given that they have budgeted $4,000 for their reception. If the reception hall charges an $80 cleanup fee plus $39 per​ person.

We have to determine the greatest number of people that they may invite and still stay within their budget.

Here total budget = $4,000

And clean-up fee = $80

Apply the subtraction operation,

⇒ 4,000 - 80

⇒ 3,920

We need 3,920 divided by $39 per person for finding the greatest number of people that they may invite.

⇒ 3,920/39

⇒ 100.51

Therefore, the greatest number is 100 people that they may invite and still stay within their budget.

Learn more about Arithmetic operations here:

brainly.com/question/25834626

#SPJ2

Answer: 45.43%

Step-by-step explanation:

Answer:

  45.43%

Step-by-step explanation:

Any time you want to express a number as a percentage, you can multiply it by 100%.

  0.4543 × 100% = 45.43%

Answer:

a, [tex]Books = 315[/tex]

b, [tex]Total = 20s + 45l[/tex]

Step-by-step explanation:

Given

[tex]Small\ Box = 20[/tex]

[tex]Large\ Box = 45[/tex]

Solving (a): Books using 5 small and 7 large boxes;

This is calculated as follows

[tex]Books = Size * quantity[/tex]

For Small box

[tex]Books = 20 * 5[/tex]

[tex]Books = 100[/tex]

For large box:

[tex]Books = 45 * 7[/tex]

[tex]Books = 315[/tex]

[tex]Total = 100 + 315[/tex]

[tex]Total = 415\ books[/tex]

Solving (b): s small and l large

We use the same concept as (a) above:

For Small Box

[tex]Books = 20 * s[/tex]

[tex]Books = 20s[/tex]

For large box

[tex]Books = 45 * l[/tex]

[tex]Books = 45l[/tex]

[tex]Total = 20s + 45l[/tex]

Answer:

after 5 mins y=1

after 15 y=3

after 20 y=4

Step-by-step explanation:

Answer:

4, -3

Step-by-step explanation:

The quadratic formula is [tex]\frac{-b+-\sqrt{b^2-4ac} }{2a}[/tex].

When using the formula for both the negative and positive value of the sqrt, you will get:

x = 4, -3

Answer:

2

Step-by-step explanation:

Answer:

A = (- 1, 0 ) and B = (4, 0  )

Step-by-step explanation:

Given

y = x² - 3x - 4

To find the x- intercepts, let y = 0, that is

x² - 3x - 4 = 0

Consider the factors of the constant term (- 4) which sum to give the coefficient of the x- term (- 3)

The factors are - 4 and + 1 , since

- 4 × 1 = - 4 and - 4 + 1 = - 3, thus

(x - 4)(x + 1) = 0

Equate each factor to zero and solve for x

x - 4 = 0 ⇒ x = 4 ⇒ point B

x + 1 = 0 ⇒ x = - 1 ⇒ point A

Answer:

56

Step-by-step explanation:

Answer:

  n ≤ 25

Step-by-step explanation:

If n represents "a number", then "a number is a maximum of 25" translates to ...

  n ≤ 25 . . . . . a number is less than or equal to 25

________________________________

Question:

what is the cash payment of bill amounting rs 800 after allowing a discount 5%?

________________________________

Given:

→D%=5%

→Amount=₹800

________________________________

Part 1:

To find discount:

step 1:

[tex] \frac{800}{100} \times 5[/tex]

step 2:

[tex] = 8 \times 5[/tex]

step 3:

[tex] = 40 [/tex]

Formula used→diacount=(D% ×Cp)÷100

________________________________

Part 2:

To find cash payment:

step 1:

[tex]800 - 40[/tex]

step 2:

[tex]760[/tex]

formula used :Sp =total amount-discount

________________________________

⚡Final answer:760

hope it helped you:)

Answer:

4.3496

Step-by-step explanation:

its so easy to find them but just look it up

Answer:

The third one(-20+(n-1)*)

Step-by-step explanation:

It's correct because when you plug in one of the numbers in the list, it makes the equation equal. Example Below.

n=4

n=-20+(n-1)8

4=-20+(4-1)8

4=-20+3*8

4=-20+24

4=4

Answer:

yes

Step-by-step explanation:

x+7>x+3

Answer:

so [tex]2^{8}[/tex] equals 2x2x2x2x2x2x2x2

Step-by-step explanation:

Its that because when expanding Exponents, you always put the first number of the exponet first. like for example, [tex]3^{2}[/tex] , you put the three 2 times and multiply. 3x3

Answer:

complementary

Step-by-step explanation:

complementary angles are two angles that can be added together to get 90°. as indicated by the small red square, the sum of the two angles is a right angle which means its equal to 90°.