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2 years ago

Classify the triangle based on the side lengths 9, 40 and 41.

Mathematics

1 answer:

artcher [175]2 years ago

8 0

Answer: right triangle

Step-by-step explanation: 9, 40, and 41 are examples of Pythagorean triples.

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PLEASE HELP ASAP!!! Actually help and answer them correctly.

SSSSS [86.1K]

Answer:

use wolfram alpha it helps :D

Step-by-step explanation:

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2 years ago

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Brian spends

mariarad [96]

Answer:

Brian have £105 left.

Step-by-step explanation:

Given,

Amount earned by Brian per week = £168

Fraction spent on rent = 1/8

Amount spent on rent = 1/8 x 168

Amount spent on rent = £42

Fraction spent on food = 1/8

Amount spent on food = 1/8 x 168

Amount spent on food = £21

Amount left = Amount earned - amount spent on rent - amount spent on food

Amount left = 168 - 42 - 21

Amount left = £105

Brian have £105 left.

I hope this helps you

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2 years ago

3/4 times the amount of 20

klio [65]

Answer:

$= { \rm{ \frac{3}{4} \times 20}} \\ \\ = { \rm{ \frac{60}{4} }} \\ \\ = { \boxed{ \tt{ \: \: 15 \: \: }}}$

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2 years ago

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How to solve -2(-4f+5)=-7+2f-9

Damm [24]

Answer:

$f=\frac{3}{5}$

Step-by-step explanation:

$-2(4f+5)=-7+2f-9$

First, use PEMDAS to distribute the -2 to the parenthesis.

$-8f -10 = -7+2f -9$

Combine like terms on the right side.

$-8f - 10 = -16+2f$

Now, you may either subtract the f's or the constants. I'll subtract the constants first, meaning I will add 10 to both sides.

$-8f = -6 + 2f$

Now subtract the 2f from both sides.

$-10f = -6$

Divide both sides by 10.

$f = \frac{-6}{-10}$

Simplify.

$f = \frac{3}{5}$

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2 years ago

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What is the Area and Perimeter for tbe rectangle?

Amanda [17]

<h2>Given :-</h2>

length of rectangle = ( 4n-5 )

breadth of rectangle = ( 3n-2)

Area and perimeter of rectangle.

<h2>solution :-</h2>

by the question ,

We know the area of rectangle = length × breadth

Area = (4n -5) (3n-2)

$= {12n}^{2} - 8n - 15n + 10$

$= {12n}^{2} - 23n + 10$

now ,

perimeter = 2 ( length + breadth (

= 2 ( 4n-5 + 3n-2)

= 2 ( 7n-7)

= 14n -14

I hopes this helps.

3 0

2 years ago