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iragen [17]
2 years ago
13

Evaluate when a = 8 and b = 4. ab^2 a−b

Mathematics
1 answer:
eduard2 years ago
3 0
<span>Evaluate when a = 8 and b = 4. 

ab^2
a−b


 ab² = (8)(4)² = 8*16= 128

a - b = 8 - 4 = 4 
</span>
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Anuta_ua [19.1K]

Answer:yes

Step-by-step explanation:

There is one very important exception to the rule that multiplying or dividing an inequality is the same as multiplying or dividing an equation. Whenever you multiply or divide an inequality by a negative number, you must flip the inequality sign.

6 0
3 years ago
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Todd and his brother Robert are going to use 512 square feet of their backyard for skateboard ramps. The shape of the backyard i
Fiesta28 [93]

Answer:

The dimensions are 16 ft by 32 ft

The quadratic equation is W^{2}-256=0

Step-by-step explanation:

we know that

the area of rectangle is equal to

A=W*L

where

L is the length side of rectangle

W is the width side of rectangle

in this problem

we have

A=512\ ft^{2}

so

512=L*W -----> equation A

L=2W ------> equation B

substitute equation B in equation A

512=(2W)*W \\ 512=2W^{2} \\2W^{2}-512=0\\W^{2}-256=0

W=\sqrt{256}=16\ ft

Find the value of L

L=2W-----> L=2*16=32\ ft



7 0
3 years ago
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Rick borrowed $50 from his sister for 3 months. She charged him 14% interest. How much does Rick have to pay his sister
Pani-rosa [81]
-4x-6y+16. Thats the answer
3 0
3 years ago
The length of a copper wire is 1.6 centimeters (cm). what is the length of this wire in meters (m)? 1.6 times. 10–3 m 1.6 times.
LUCKY_DIMON [66]

The length of the copper in meters is 1.6 times 10^-2 meters.

According to the given question.

The length of a copper is 1.6 centimeters.

As we all know that

1 meter = 100 centimeter

⇒ 1 centimeter = 1/100 meters or 10^-2 meters

So, to find the length of the copper wire in meters. We have to convert 1.6 centimeters to meters.

Therefore,

The length of the copper wire in meters

= 1.6/100 meters

= 1.6 × 10^-2

= 1.6 times 10^-2 meters

Hence, the length of the copper in meters is 1.6 times 10^-2 meters.

Find out more information about centimeters and meters here:

brainly.com/question/9484490

#SPJ4

8 0
1 year ago
What is two ways to write 6.7
Vilka [71]
6.70 or 6.700 i think so because if u add zeros to the end of the equation then u still have the same answers
4 0
3 years ago
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