How do you simplify 8- (-2)

Answer:

x = -28 and y = -21

Step-by-step explanation:

Let two numbers be x and y.

One number is seven less than a second number.

x = y-7

x-y = -7 ...(1)

Three times the first is three more than four times the second.

3x = 4y or

3x-4y =0 ...(2)

Multiplying equation (1) by 3. So,

3x-3y = -21 ...(3)

Subtracting equation (2) from (3).

3x-3y-(3x-4y) = -21

-3y+4y = -21

y = -21

Put the value of y in equation (1).

x-(-21)= -7

x+21=-7

x = -21-7

x = -28

So, the value of x and y are -28 and -21 respectively.

Answer:

x= -2

Step-by-step explanation:

Simplifying 5x + 45 = 35 Reorder the terms: 45 + 5x = 35 Solving 45 + 5x = 35 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-45' to each side of the equation. 45 + -45 + 5x = 35 + -45 Combine like terms: 45 + -45 = 0 0 + 5x = 35 + -45 5x = 35 + -45 Combine like terms: 35 + -45 = -10 5x = -10 Divide each side by '5'. x = -2 Simplifying x = -2

Answer:

18,887

Step-by-step explanation:

Answer:

15

Step-by-step explanation:

100 x 15 =1500

sorry if wrong and pls give brainiest

Answer:

44

Step-by-step explanation:

is times 5.5

Answer:

C

Step-by-step explanation:

If AD is 20 then BC is also 20. Another way to solve it too is by AD is 20 and 3x+5 = 20 so do 20-5, which is 15 and 15 divided by 3 is 5 which is the amount X is.

Answer:

I am guessing C.

Step-by-step explanation:

I hope this helps!

Answer:

A- If you purchase an item with a credit card, the money to pay for your purchase will be loaned to you

Step-by-step explanation:

The answer is A because when you use a credit card, any money you spend with it is actually being loaned to you, which you will have to pay back at a later date.

The answer is NOT b because when you are using a debit card, you are using your money that you already own, so you don't have to pay interest on anything.

The answer is NOT c because when you buy stuff with a credit card, the money is being loaned to you, not deducted from your account.

The answer is NOT d because you do not have to pay back a loan with a debit card, that's only with credit cards.

:]

Answer:

A

Step-by-step explanation:

Answer:

my guess is 12=1 maybe i dont really get it

Step-by-step explanation:

if your saying 3-2 then 1

Answer:

I think the answer would be 34 because you have 3 times 12 which is 36 and then minus 2 would be 34.

Step-by-step explanation:

Answer:

16/4= 4

Step-by-step explanation:

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Answer:

294 people

Step-by-step explanation:

Subtract:100%-58%=42%

42%=.42 (Move the decimal to the left to times to be able to find the decimal of a percent.)

Multiply: 700*.42=294

294 people

Hope this helped!! :)

Stay safe and have a wonderful day/night!!!!!

Brainliest?!?!

Step-by-step explanation:

n/10+6=11

n/10=11-6

n/10=5

n=5x10

n=50

Answer: n=50

Answer:

C. 41 minutes

Step-by-step explanation:

First, we have to turn 540 seconds into minutes by dividing it by 60

540 ÷ 60 = 9

So 50 - 9 = 41

So Roberto spent 41 more minutes reading than he did making his lunch

Step-by-step explanation:

5)

180-116=64

4y+(7y+6)+64= 180

4y+7y+6+64=180

11y+70= 180

11y= 110

y= 10°

m<C = 40°

m<D= 76°

m<DEC=64°

6)

180-161=19°

18z+3+5z-3+19=180

23z= 161

z=7°

m<L=129°

m<M=32°

m<LKM=19°

Answer:

459.49

Step-by-step explanation:

100%->434.71

105.7%->459.48847

            ≈459.49

Answer:

6+20y

y=_14

Step-by-step explanation:

6+20y

y=_14

Answer:

14x

Step-by-step explanation:

Step 1: Collect like terms by adding their coefficients

(11+3)x

Step 2: Add the numbers

14x

Answer:

14x

its hard to explain, but I did this problem so I know the answer look up the question maybe it can explain it!

Answer: 1, 5, 9 and 13

Step-by-step explanation: You plug in the s number into the equation and the answer is what you plug in at the bottom! Good luck! :D

t = 2(2)-3 -> 1

t = 2(4)-3 -> 5

t = 2(6)-3 -> 9

t = 2(8)-3 -> 13

Answer:

y= 65

x= 30

Step-by-step explanation:

Answer:

40

Step-by-step explanation:

a^2+b^2=c^2

therefore c^2-b^2=a^2

41x41=1681

9x9=81

1681-81=1600

Sqrt1600=40

The third number is 40

Answer: 86

Step-by-step explanation:

I got it right on edge 2020

Answer:

x=2

y=1

Step-by-step explanation:

Answer:

The inverse with respect to addition; the opposite. The additive inverse of 12 is −12. The definition of an additive inverse is the number needed to bring a negative number to zero. An example of an additive inverse is the number 30 when added to -30. So the additive inverse of -10 is 10

Step-by-step explanation:

Answer: 10

Step-by-step explanation:

To find the additive inverse of a number, all we should do is change its sign. Thus, the additive inverse of a positive number is a negative number, and the additive inverse of a negative number is a positive one. So the additive inverse of -10, which is negative, is positive 10, or just 10.

Answer:

18 miles per gallon

90/5=18

Step-by-step explanation:

Answer:

18 miles per gallon of gas

Step-by-step explanation:

because [tex]18*5=90[/tex]

Answer: -s² - 3s + 6

Step-by-step explanation:

b = 1 - 2s² - s

c = 3 + 5s²

Substitute

3b + c

3 (1 - 2s² - s) + 3 + 5s²

3 - 6s² - 3s + 3 + 5s²

Put like terms together

-6s² + 5s² - 3s + 3 + 3

-s² - 3s + 6

Hope I helped!

Answer:

.D. 4√2 cm

Step-by-step explanation:

With reference angle 45°

base (b) = 4 cm

hypotenuse (h) = AC

Now

Cos 45° = b /h

1/√2 = 4 / AC

AC = 4√2 cm

Answer:

Option h: 16h

Step-by-step explanation:

To get the answer to the question divide 480 by 30 to get the rate which is 16. So the answer would be H

Answer:

I believe the answer is

P=4

Answer: 11p+10 = 5p+20  

Step-by-step explanation: