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Maslowich
2 years ago
12

9. There are 90 students in the choir.

Mathematics
1 answer:
guajiro [1.7K]2 years ago
6 0

Answer:

D. 18

Step-by-step explanation:

change 20% to decimal by dividing by 100.

20/100 = 0.20

Now multiply by 90.

90 x 0.20 = 18

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How many square feet of outdoor carpet will we need for this hole?
SVETLANKA909090 [29]

For this you would want to break this fgure up with familar shapes. You can do two triangles and one big rectangle.

First triangle:

(3)(2)(1/2)= 3 feet squared

Second Triangle:

(3)(4)(1/2)= 6 feet squared

Rectangle:

(11)(3)= 33 feet squared

Now you add:

33+3+6= 42 feet squared

So, for this hole you will need 42 feet squared of outdoor carpet

8 0
4 years ago
Read 2 more answers
PLEASE HELP!!! I NEED ANSWER IMMEDIATELY!!!<br><br> What is the value for y?<br> y =
34kurt

Answer:

y = 28 degrees

Step-by-step explanation:

First thing:  find the value of x.  Note that the 34 degree angle and the angle x - 5 are equal because this is an isosceles triangle.  Thus, 34 = x - 5, and so x = 39.

Second:  the three interior angles must add up to 180 degrees.

Thus, 34 + 39 -5 + 4y = 180.

From this we get:

4y = 180 - 34 - 39 + 5, or

4y = 112.

Therefore, y must be 112/4, or 28.

4 0
3 years ago
The table shows the price for different numbers of cupcakes: Number of Cupcakes Price (in dollars) 3 12 4 16 5 20 7 28 Does this
xxTIMURxx [149]

Answer:

Yes

Step-by-step explanation:

If you put all of those points on a graph you get a slope of 4 and a perfectly straight line.

8 0
3 years ago
Please help do not answer if you don't know it.
iogann1982 [59]
Area parlalelogram=base times height
areatrapizod=(1/2)(base1+base2) times height
areatriangle=1/2 times base times height



1. area=(1/2)(5.9+16.3) times 4.6=51.06
first option

2. area=1/2 times 20.3 times 6.2=62.93
2nd option

3. area=5 and 1/4 times 3=15.75 or 15 and 3/4 or
4th option


4., area=1/2 times 14 times 5.5=38.5
3rd option


5. area= 5.2 times 2.3=11.96
4th option

8 0
3 years ago
I need major help but y’all don’t help
mariarad [96]

Answer:

What is the question

Step-by-step explanation:

7 0
3 years ago
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