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2 years ago

WHAT IS this in simplify form 4x-5.2y+6y+7.9x-8x help me

Mathematics

1 answer:

Viefleur [7K]2 years ago

5 0

Answer:

3.9x + 0.8y

Step-by-step explanation:

Simplify:

4x - 5.2y + 6y +7.9x - 8x
4x + 7.9x - 8x - 5.2y + 6y
11.9x - 8x + 0.8y
3.9x + 0.8y

-Chetan K

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During a road trip Tony , Tony drove one third the distance that Lana drove. Mark drives 15 more than Lana drove .The total dist

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Answer:

The distance drive by Lana = 201 miles

The distance drive by Mark = 216 miles

The distance drive by Tony = 67 miles

Step-by-step explanation:

Given as :

The total distance cover by Lana , Tony , Mark = 484 miles

Let The distance drove by Lana = L miles

The distance drove by Tony = T

The distance cover by Mark = M

So , L + T + M = 484 miles

Now, The distance of Tony = $\frac{1}{3}$ of Lana distance

Or, T = $\frac{1}{3}$ × L

And The distance of Mark = 15 + The distance of Lana

Or, M = 15 + L

Now.

L + $\frac{1}{3}$ × L + 15 + L = 484

Or, 2 L + $\frac{L}{3}$ = 484 - 15

Or, 2 L + $\frac{L}{3}$ = 469

Or, $\frac{7 L}{3}$ = 469

Or, 7 L = 469 × 3

∴ L = $\frac{1407}{7}$

I.e L = 201

The distance drive by Lana = 201 miles

The distance drive by Mark = 15 + L =15 + 201 = 216 miles

The distance drive by Tony = $\frac{1}{3}$ × 201 = 67 miles

Hence The distance drive by each person is

The distance drive by Lana = 201 miles

The distance drive by Mark = 216 miles

The distance drive by Tony = 67 miles Answer

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3 years ago

A community is planning to build a rectangular garden. The width of the garden is 17 /4 feet (ft), and the perimeter of the gard

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Answer:

34 square feet

Step-by-step explanation:

First, you need to find the other side of the garden in order to find the area a=l*w

The formula to find the length is, p-w*2=x x÷2=l

because, perimeter is l+l+w+w and area is just l*w

4.25*2=8.50

24.50-8.50=16

16÷2=8

l=8

So now we need to multiply the length and width to get the area.

8*4.25=34 sq. ft.

I hope that helps!

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Answer:

Step-by-step explanation:

4 + 8 = 12 which is < 13.

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3 years ago

Mike wrote down a number on a piece of paper and hid it from his friends. He rounded his number to different places and his frie

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Answer: 145,998, 7,000, and 25,991

My guess :))

Step-by-step explanation:

145,998 7,002 4,506 26,991 12,497

First, Mike rounded his number to the nearest ten

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Then, he rounded his number to the nearest hundred.

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Last, he rounded his number to the nearest thousand.

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