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shtirl [24]
3 years ago
6

Can someone please help with this ? Thanks

Mathematics
1 answer:
san4es73 [151]3 years ago
3 0
I think the answer is “16”
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Raul calculated that he would spend $125 on school supplies this year. He actually spent $87.50 on school supplies. What is Raul
Eddi Din [679]
<span>87.5 is 70% of 125 so the percent of error is 30%</span>
3 0
3 years ago
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I will mark you brainlist!
Angelina_Jolie [31]
If you cut them into equal parts they will be 12.5 inches each piece.
7 0
3 years ago
The area of the base of the oblique pentagonal pyramid is 50 cm2 and the distance from the apex to the center of the pentagon is
kirza4 [7]

Answer:

\text{Height is }6\sqrt2cm

\text{The volume is }100\sqrt2cm^3    

Step-by-step explanation:

Given the area of the base of the oblique pentagonal pyramid is 50 cm^2 and the distance from the apex to the center of the pentagon is 6 cm. The measure of ∠ACB is 45°.

we know that

ABC is a right triangle

∠ACB=45°

AC=hypotenuse------> 6 cm

\sin 45^{\circ}=\frac{AB}{AC}

AB=AC\times \sin 45

AB=\frac{6}{\sqrt2}

AB=3\sqrt2

\text{Height is }6\sqrt2cm

Now, volume of pyramid

\text{Volume of the pyramid=}\frac{1}{3}\times \text{Area of the base}\times height

Area of the base=50 cm²

Height=6\sqrt2 cm

so, \text{volume of the pyramid=}\frac{1}{3}\times 50\times 6\sqrt2=100\sqrt2cm^3

\text{the volume is }100\sqrt2cm^3

7 0
3 years ago
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The length of a rectangle is 3ft longer than its width.
Leokris [45]

Answer:

Step-by-step explanation:

L = W+3

perimeter = 2L+2W = 58

L+W = 29

(W+3)+W = 29

W = 13 ft

L = W+3 = 16 ft

3 0
3 years ago
A sign 4 meters tall cast a shadow 5 meters long . At the same time, a tree casts a shadow 30 meters long. What is the height of
AfilCa [17]
The information's given in the question are of vital importance. These information's should be very useful while getting to the desired answer of the given question.Let us now concentrate on the problem that needs to be solved.
The height of the sign that casts a shadow of 4 meters is = 5 meters
Then
The height of the tree that casts a shadow of 30 meters = (5/4) * 30 meters
                                                                                          = 150/4 meters
                                                                                          = 37.5 meters
So the tree casting a shadow of 30 meters is actually 37.5 meters in height. I hope the procedure is simple enough for you to understand.
5 0
3 years ago
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