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AveGali [126]
3 years ago
12

Help PLZZ no files PLZZ

Mathematics
1 answer:
frozen [14]3 years ago
5 0

Answer:

34m of glass

Step-by-step explanation:

(I'm a visual learner so I'll have a picture of my work as well)

okay, you're going to want to separate this into a large rectangle and a triangle.

From there you're going to calculate the area of both.

rectangle formula:

A= L*H

Triangle Formula:

A= (L*H)/2

Then you just plug in the numbers and calculate, getting 18 for the rectangle and 16 for the triangle. 18+16 = 34

You add the two areas together as shown above, and then you have your area for the whole shape!

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The price of a television decreased from $1000.00 to $800.00. What was the percent of decrease? a. 2% b. 18% c. 20% d. 25%
sweet-ann [11.9K]
If we divide 800/1000, we get .8 This means The price of $800 is only 80% of  $1000. Furthermore, this also means that there was a decrease in price of 20%. The answer is C.
4 0
3 years ago
Kala drove 250 miles using 9 gallons of gas. at this rate how many gallons of gas would she need to drive 275 miles
Rus_ich [418]

Answer:

9.9 gallons

Step-by-step explanation:

To solve this problem, we need to cross multiply. Lets input the values (250, 275, 9) as shown below:

\frac{9}{250}  = \frac{x}{275}

Next we cross multiply. We multiply 250 and x, and we multiply 9 and 275.

250(x) = 250x\\

275(9) = 2,475

Now, lets put the values above back into the equation:

250x = 2,475

Lets solve this equation. First we divide 2,475 by 250, making x by itself.

\frac{2,475}{250} =x

9.9 = x

This means that to drive 275 miles, Kala would need to use 9.9 gallons of gas.

8 0
3 years ago
8. Chloe received $20.00 for her birthday. She
Leni [432]

Answer: $9.23

because you multiply 3.59 by 3 to get $10.77 which was spent then you subtract $10.77 from $20.

4 0
3 years ago
12x+7<-11 or 5x-8>40
puteri [66]

Answer:

\large\boxed{x9\dfrac{3}{5}\to x\in\left(-\infty,\ -1\dfrac{1}{2}\right)\ \cup\ \left(9\dfrac{3}{5},\ \infty\right)}

Step-by-step explanation:

12x+7

5x-8>40\qquad\text{add 8 to both sides}\\\\5x-8+8>40+8\\\\5x>48\qquad\text{divide both sides by 5}\\\\\dfrac{5x}{5}>\dfrac{48}{5}\\\\x>\dfrac{48}{5}\\\\x>9\dfrac{3}{5}\\===========================

x9\dfrac{3}{5}

7 0
3 years ago
Brittany is arranging her shoes. For the amount of shoes she has, she knows she can use either rows of 4 with none left over, or
yawa3891 [41]

Answer:

12 shoes

Step-by-step explanation:

Because 6 times 2 is 12 and 4 times 3 is 12. And that is the lowest common number that they share.

7 0
3 years ago
Read 2 more answers
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