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2 years ago

ANSWER THIS QUICKLY PLEASE!!!!!!!!!

Mathematics

2 answers:

Vika [28.1K]2 years ago

8 0

It's the second answer.

Tems11 [23]2 years ago

5 0

C. 2 sq rt 2 + sq rt 5 + sq rt5 + sq rt 2

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When written in scientific notation, the number 4,500 will have a Choose... 2 4 3 as the exponent on the power of ten

nexus9112 [7]

The exponent would be 3.
4.5 x 10^3

6 0

2 years ago

Find the area to 5 cm and 9 cm

Alexandra [31]

Answer:

$\large\boxed{A=45\ cm^2}$

Step-by-step explanation:

It's a parallelogram.

The formula of an area of a parallelogram:

$A=bh$

b - base

h - height

We have b = 9cm and h = 5cm. Substitute:

$A=(9)(5)=45\ cm^2$

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3 years ago

Read 2 more answers

Triangles LMN and NWR are right triangles. What is

Sever21 [200]

Answer:

NW = 15.6 cm

Step-by-step explanation:

If ΔLMN ~ ΔNWR then:

$\sf LN : LM = RN : RW$

$\implies \sf \dfrac{LN}{LM}=\dfrac{RN}{RW}$

$\implies \sf \dfrac{10}{24}=\dfrac{6}{RW}$

$\implies \sf 10RW=6 \cdot 24$

$\implies \sf RW = 14.4\:cm$

Find NW by using Pythagoras' Theorem:

$a^2+b^2=c^2$

(where a and b are the legs, and c is the hypotenuse, of a right triangle)

Given:

a = RN = 6 cm
b = RW = 14.4 cm
c = NW

Substituting the given values into the formula and solving for NW:

$\implies \sf 6^2+14.4^2=NW^2$

$\implies \sf NW^2=243.36$

$\implies \sf NW=\sqrt{243.36}$

$\implies \sf NW=15.6\:cm$

4 0

2 years ago

Read 2 more answers

The circumferece of a bicycle wheel is 63 inches. what is the approximate diameter of the wheel

Phantasy [73]

Answer:The answer will be 20

Step-by-step explanation: If you are given the circumference of something all you have to do is divide it my pi (3.14) to get the answer. If you know the diameter and is looking for the circumference you multiply the diameter by pi. Hope this helps.

7 0

2 years ago

The circular rug is placed on a square floor. The rug touches all four walls. How much of the floor space is not covered by the

Alina [70]

Answer:

42 ft

Step-by-step explanation:

14 times 14=196

R of circle =7

7 squared=49

49 times pi= 153.938040026

196-153.938040026= 42.0619599741

Rounded to 1 decimal=42.1

Rounded to whole number = 42

7 0

2 years ago