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Phoenix [80]
2 years ago
11

XD PLZ HELP ME I DONT UNDER STAND PLZ IM BEGGING

Mathematics
2 answers:
Virty [35]2 years ago
6 0

Answer:

40 and 202.5 m³

Step-by-step explanation:

(7)

Since the figures are similar then the ratios of corresponding sides are equal, that is

\frac{PQ}{16} = \frac{30}{12} ( cross- multiply )

12 PQ = 480 ( divide both sides by 12 )

PQ = 40 in

-------------------------------------------------------------------

The volume (V) of a pyramid is calculated as

V = \frac{1}{3} Ah ( A is the area of the base and h the height ) , then

V = \frac{1}{3} × 9² × 7.5

   = \frac{1}{3} × 81 × 7.5

   = 27 × 7.5

   = 202.5 m³

Natali [406]2 years ago
5 0

Answer:

the volume for the second page is 607.5

Step-by-step explanation:

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How many times can 8 go into 60
nignag [31]

The correct answers are:

(1) If EXACT number is required, then 7.5.

(2) If multiple of 8 is required then the answer will be 7 times with a remainder of 4.

Explanation:

First you need to express it in the form of equation to make things simpler as follows:

8 * y = 60

We need to find y; to do so, divide 60 by 8:

y = \frac{60}{8}

y = 7.5

Now if you want to find the whole number, then the answer will be 7 times, with 4 left over.

6 0
3 years ago
Read 2 more answers
P(n) = n + 1; Find p(6)
True [87]

Answer:

p(6) = 7

Step-by-step explanation:

p(n) = n + 1

Let n = 6

p(6) = 6 + 1

p(6) = 7

7 0
3 years ago
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There are 9 students in the school choir. The ratio of girls to boys in the choir is 5 : 4. Two girls are absent from practice o
pishuonlain [190]

Answer:

5:9

Step-by-step explanation:

4 0
3 years ago
Ok, so I'm pretty sure this one is 11.5 I just wanted to make sure with u guys! :)
Furkat [3]

Answer:

C: 23 cm

Step-by-step explanation:

This is the answer because:

1) Area of trapezoid is: (base1 + base2)/2 x height

2) In this case, it is 14 + 8 which is 22. 22/2 is 11.

3) Now we have to do 253/11 which is 23 cm.

Hope this helps! :D

4 0
3 years ago
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What is the relationship between the value of the digit 3 in 4,231 and in the value of the digit 3 in the number 3,421?
leva [86]

Answer:

In 4,231, the value of the digit 3 is 100 times the value of the digit 3 in 3,421.

Step-by-step explanation:

Hope this helps.

5 0
2 years ago
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