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2 years ago

. Rewrite the definition “All right angles measure 90 degrees” as a biconditional statement using “if and only if”.

Mathematics

2 answers:

dmitriy555 [2]2 years ago

7 0

Answer:

It is a right angle if and only if it measures 90 degrees.

Step-by-step explanation:

Leto [7]2 years ago

3 0

The definition after using if and only if is "<span>an angle is a right angle if and only if it measures 90 degrees".</span>

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Let f(x) = x^2+ 5x and g(x) = 5 - x. Find f(3) + g(3)

Alchen [17]

Answer:

Step-by-step explanation:

f(x)=x^2+5x g(x)=5‒x

f(3)=3^2+5(3) g(3)=5‒3

f(3)=9+15 g(3)=2

f(3)=24

f(3)+g(3)=24+2

=26

i think it is easy to understand &i hope it helps you

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3 years ago

Help!! Math question

aksik [14]

18 - 7x = -20.52.5 = 7xx = 5/14 (c)

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3 years ago

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The sum of two even consecutive integers is 46 find the intergers

Anarel [89]

Answer:

First number = 22

Second number = 24

Step-by-step explanation:

Let the first number = x

Let the second number = x + 2

According to the question ,

The sum of two even consecutive ingers = 46.

so,

x + x + 2 = 46

2x + 2 = 46

2x = 46 - 2

2x = 44

x = 44 / 2

x = 22

∴ FIRST NUMBER = X

= 22

SECOND NUMBER = X + 2

= 22 + 2

= 24.

4 0

2 years ago

Last week Connor and his roommates ate 1 1/6 cartons of yogurt, and this week they ate 3 cartons. How much more yogurt did they

Alekssandra [29.7K]

1 5/6 3= 2 6/6 and then subtract 1 1/6 and get 1 5/6

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2 years ago

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Andrew had a collection of 300 baseball cards at the beginning of the summer After the summer Andrew had traded some of his base

Norma-Jean [14]

Answer:

The percentage decrease is 29%

Step-by-step explanation:

Given

$Initial = 300$

$Final = 213$

Required

Determine the percentage decrease

This is calculated as thus:

$\%Percentage = \frac{|Final - Initial |}{Initial} * 100\%$

Substitute values for Final and Initial

$\%Percentage = \frac{|213 - 300|}{300} * 100\%$

$\%Percentage = \frac{|-87|}{300} * 100\%$

<em>Get absolute value of -87</em>

$\%Percentage = \frac{87}{300} * 100\%$

$\%Percentage = \frac{87* 100\%}{300}$

$\%Percentage = \frac{8700\%}{300}$

$\%Percentage = 29\%$

Hence, the percentage decrease is 29%

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2 years ago