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3 years ago

11

[7m+3n-11-2m]+[n+5-m-3n+8]

1 answer:

labwork [276]3 years ago

3 0

7m-2m+3n-11+n+5-m-3n+8
4m-8+n
answer=4m-8+n

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An air conditioner is sold for $700 after a discount

Georgia [21]

100 - 12.5 = 87.5%

87.5% = $700

1% = 700/87.5 x 100

=$800

100% = 800 x 100

= $80000

8 0

3 years ago

Alba’s ate 3/4 of a pizza . Lauren ate 3/4 of the pizza. How much did they eat altogether? Draw a picture

Vlada [557]

Answer:

They ate 1 1/2 pizzas

Step-by-step explanation:

3/4 plus 3/4 equals 6/4 which simplifies to 1 1/2 so draw one full pizza and another half of a pizza

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3 years ago

Which equation is the inverse of y = 9x2 – 4?

devlian [24]

<u>Answer:</u>-

The two inverses are,

$y = \sqrt {\frac{x+4}{9}}$

and, $y = - \sqrt {\frac{x+4}{9}}$

<u>Step-by-step calculation:-</u>

$y = 9 \times x^{2} - 4$

⇒ $x^{2} = \frac{y+4}{9}$

⇒ $x = \mp \sqrt {\frac{y+4}{9}}$

So, the two inverses are,

$y = \sqrt {\frac{x+4}{9}}$

and, $y = - \sqrt {\frac{x+4}{9}}$

8 0

3 years ago

Read 2 more answers

OK so if erosion blankets cost $0.49 per square feet how much would that be if I need about 55,756,800 square feet of it, how mu

Semmy [17]

Answer:

27,320,832

Step-by-step explanation:

It is $0.49 per square feet

You need 55,756,800 square feet

Multiply 55,756,800 x 0.49 = 27,320,832

7 0

3 years ago

Anthony spent half his allowance at the show store then he mowed his neighbors lawn and got 10$ if he now has 22$ write an equat

marta [7]

Answer:

$24

Step-by-step explanation:

(22-10)=12

12×2=24

5 0

4 years ago