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Dominik [7]
4 years ago
7

Is the following statement true or false? All it takes is one counterexample to prove a statement to be false. A: False B: True

Mathematics
1 answer:
oksian1 [2.3K]4 years ago
4 0

Answer:

True

Step-by-step explanation:

USA test prep confirmed.

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In ΔPQR, point C is the centroid. If PZ = 7, then RZ =<br> A) 3.5 <br> B) 7 <br> C) 14 <br> D) 21
kvv77 [185]

Answer: It's 7

Step-by-step explanation:

4 0
3 years ago
Find the volume of the following. Please round your answer to the nearest tenth. Please do not put units. Hint: You need to use
Sophie [7]

Answer:

<em>V = 1,568</em>

Step-by-step explanation:

<u>The Volume of a Square Pyramid</u>

Given a square-based pyramid of base side a and height h, the volume can be calculated with the formula:

\displaystyle V=\frac{1}{3}a^2h

We are given a square pyramid with a base side a=14 ft but we're missing the height. It can be calculated by using the right triangle shown in the image attached below, whose hypotenuse is 25 ft and one leg is 7 ft

We use Pythagora's theorem:

25^2=h^2+7^2

Solving for h:

h^2=25^2-7^2=625-49=576

h=\sqrt{576}=24

The height is h=24 ft. Now the volume is calculated:

\displaystyle V=\frac{1}{3}*14^2*24

V = 1,568

3 0
3 years ago
It is 2.3 km from Salma's house to the nearest mailbox. How far is it in meters?
Ivenika [448]

Answer:

2.3km in meters is 2300 Meters

Step-by-step explanation:

Multiply the length value by 1000

7 0
3 years ago
The library is 4 miles from the post office how many yards is the library from the post office
SpyIntel [72]
7040...........................
7 0
3 years ago
Read 2 more answers
Which of the following has a value CLOSEST to 0.5?
KengaRu [80]

9514 1404 393

Answer:

  D)  6.003 ÷ 12

Step-by-step explanation:

All of the quotients differ from 0.5 by at least one order of magnitude except ...

  6.003/12 = 0.50025

__

The others are ...

  A: 0.301/60 = 0.0050166... (repeating)

  B: 0.051/10 = 0.0051

  C: 2.499/49 = 0.051

5 0
3 years ago
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