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3 years ago

Help me plz I don't know the choices it could be

Mathematics

1 answer:

Marizza181 [45]3 years ago

7 0

Answer: 544 cm²

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

There are 5 sections to the tent:

Front (triangle): A = $\frac{1}{2}$ · b · h
Back (triangle): same dimensions as Front
Base (rectangle): A = L · w
Left Side (Rectangle): A = L · w
Right side (rectangle): same dimensions as Left Side

Total Surface Area = Front & Back + Base + Sides

= 2[ $\frac{1}{2}$ (12 · 8)] + (12 · 14) + 2(14 · 10)

= 96 + 168 + 280

= 544

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1/4 (-12+3) -8/3<br> Simplified

labwork [276]

Answer:

-59/12

Step-by-step explanation:

finish whats inSide brackets first

so -12+3 =-9

-9*1/4 will be next and = -9/4

9/4+8/3 =. 59 /12

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2 years ago

What the answer is to question number 4

cestrela7 [59]

Hey there!
The answer is D. 1/5
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2 years ago

When using an equivalent fraction to find a percent, why do you write 100 as the denominator ?

Westkost [7]

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2 years ago

A Converse Statement is when you turn the statement into a double negative?

Misha Larkins [42]

Answer:

False

Step-by-step explanation:

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2 years ago

Read 2 more answers

Linda can bicycle 48 miles in the same time as it takes her to walk 12 miles. She can ride 9 mph faster than she can walk. How f

Marrrta [24]

Answer:

$\frac{48}{r+9}=\frac{12}{r}$

Step-by-step explanation:

Let r represent Linda's walking rate.

We have been given that Linda can ride 9 mph faster than she can walk, so Linda's bike riding rate would be $t+9$ miles per hour.

$\text{Time}=\frac{\text{Distance}}{\text{Rate}}$

We have been given that Linda can bicycle 48 miles in the same time as it takes her to walk 12 miles.

$\text{Time while riding}=\frac{48}{r+9}$

$\text{Time taken while walking}=\frac{12}{r}$

Since both times are equal, so we will get:

$\frac{48}{r+9}=\frac{12}{r}$

Therefore, the equation $\frac{48}{r+9}=\frac{12}{r}$ can be used to solve the rates for given problem.

Cross multiply:

$48r=12r+108$

$48r-12r=12r-12r+108$

$36r=108$

$\frac{36r}{36}=\frac{108}{36}$

$r=3$

Therefore, Linda's walking at a rate of 3 miles per hour.

Linda's bike riding rate would be $t+9\Rightarrow 3+9=12$ miles per hour.

Therefore, Linda's riding the bike at a rate of 12 miles per hour.

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3 years ago