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Neporo4naja [7]
2 years ago
9

Please help me with this Test im really confused.

Mathematics
1 answer:
poizon [28]2 years ago
8 0

Answer:

Real Quick what is the lesson name? Dont worry tell me the lesson name and i will edit my answer to help you!

Step-by-step explanation:

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Solve the formula for the perimeter of a rectangle, P = 21 + 2w for l
Phoenix [80]

2(w+l)=21+2w

w+l=10.5+w

So l = 10.5

7 0
2 years ago
Zack bought a cost for 69.78. he paid with $100 bill and received 26.73 in change. how much was the sales tax.
pshichka [43]
The tax was 3.49 dollars thats what i got hope it helps you man :)
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2 years ago
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A dog weighs 35.4 kilograms.1 kilogram=2.2 pounds,1 pound=0.45 kilograms.About how much does the dog weigh in pounds?Round to ne
AlladinOne [14]
Answer: 78 pounds
Explanation: if 1 kilogram is 2.2 pounds, just multiply the weight in kg by 2.2:
35.4 x 2.2 = 77.88
Round to nearest whole: 78.
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4 0
2 years ago
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given the equation y = 2x - 8, find the ordered-pair solution when x = 4 and the ordered-pair solution when y = 4
babunello [35]

Answer:

When x = 4, (4, 0)

When y = 4, (6, 4)

Step-by-step explanation:

To find the ordered-pair solution when x = 4, plug 4 into the x of the equation.

y = 2x - 8

y = 2(4) - 8

y = 8 - 8

y = 0

This produces the ordered pair (4, 0).

To find the ordered-pair solution when y = 4, plug 4 into the y of the equation.

y = 2x - 8

4 = 2x - 8

12 = 2x

6 = x

x = 6

This produces the ordered pair (6, 4).

6 0
3 years ago
A cheetah ran 300 feet in 2.92 seconds. What was the cheetah’s average speed in miles per hour? Show your work.
alexdok [17]

Answer:

about 70.0 mph

Step-by-step explanation:

speed = distance/time

(300 ft)/(2.92 s)·(1 mi)/(5280 ft)·(3600 s)/(1 h) = (300·3600/(2.92·5280)) mi/h

≈ 70.0498 mi/h

8 0
3 years ago
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