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Vanyuwa [196]
3 years ago
9

two straight lengths of wire are places on to the ground, forming vertical angles. if measure of one of the angles formed is 72

degrees, what are the measures of the other three angles? explain your answer
Mathematics
2 answers:
lubasha [3.4K]3 years ago
6 0

Answer: 75 x 6+ b = x

Step-by-step explanation:

lbvjy [14]3 years ago
4 0

Answer:

well if 32+32= 412 then 412+8=420

Step-by-step explanation:

well 32+32=64

64+32=96

96-8=88

88+100=188

188+100=288

288+100=388

now this is where it get very important

388+32=420

see how it all adds up and ends with a 32 being added its because

420 = whatcha smokin?

your welcome class

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The height of one solid limestone square pyramid is 21 m. A similar solid limestone square pyramid has a height of 30 m. The vol
Elina [12.6K]

Answer:

Part a) The scale factor of the smaller pyramid to the larger pyramid in simplest form is \frac{7}{10}

Part b) The ratio of the volume of the smaller pyramid to the larger pyramid is \frac{343}{1,000}

Part c) The volume of the smaller pyramid is 4,116\ m^{3}

Step-by-step explanation:

Part a) The scale factor of the smaller pyramid to the larger pyramid in simplest form

we know that

If two figures are similar, then the ratio of its corresponding sides is equal and this ratio is called the scale factor

so

Let

z----> the scale factor

x----> the height of the smaller pyramid

y----> the height of the larger pyramid  

z=\frac{x}{y}

substitute the values

z=\frac{21}{30}

Simplify

z=\frac{7}{10} -----> scale factor in simplest form

Part b) Ratio of the volume of the smaller pyramid to the larger pyramid

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

so

Let

z----> the scale factor

x----> the volume of the smaller pyramid

y----> the volume of the larger pyramid  

z^{3}=\frac{x}{y}

we have

z=\frac{7}{10}

substitute

\frac{7}{10}^{3}=\frac{x}{y}

Rewrite

\frac{x}{y}=\frac{343}{1,000} -----> ratio of the volume of the smaller pyramid to the larger pyramid

Part c) The volume of the smaller pyramid

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

so

Let

z----> the scale factor

x----> the volume of the smaller pyramid

y----> the volume of the larger pyramid  

z^{3}=\frac{x}{y}

we have

z=\frac{7}{10}

y=12,000\ m^{3}

substitute the values and solve for x

(\frac{7}{10})^{3}=\frac{x}{12,000}

x=\frac{343}{1,000}(12,000)=4,116\ m^{3}

8 0
3 years ago
A reflection of shape I....
inn [45]

interestingifgihdfhguehr

6 0
3 years ago
Find the mean of the following data set<br> 73, 81, 51, 76, 89, 95, 88
kifflom [539]

Answer:

mean =  \frac{(73 + 81 + 51 + 76 + 89 + 95 + 88)}{7}  \\  = 79

6 0
2 years ago
Read 2 more answers
Help me plz I will give brainliest
Zarrin [17]

Answer:

Step-by-step explanation:

(35 - 20)/20

15/20 = .75

.75 * 100 == 75%

75%

6 0
3 years ago
What is the answer of this? thanks. 15 pts
Vikentia [17]
3.(6^(12-10)) = 3× 6^2 =3× 36 =108
5 0
3 years ago
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