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3 years ago

What is the value of 8+23×5?

Mathematics

2 answers:

Leto [7]3 years ago

4 0

Answer: 123

Step-by-step explanation:

vredina [299]3 years ago

4 0

Answer:

thy answer is 155 my good human being

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(2x-7)-(4x^2+6x-3)+(x^2+4)

masha68 [24]

Answer:

$-3x^2-4x$

Step-by-step explanation:

Simplify:

$\left(2x-7\right)-\left(4x^2+6x-3\right)+\left(x^2+4\right)$

$=2x-7-\left(4x^2+6x-3\right)+x^2+4$

Group same factor:

$=-\left(4x^2+6x-3\right)+x^2+2x-7+4$

Add :

$=-\left(4x^2+6x-3\right)+x^2+2x-3$

Apply the distributive law: -(a+b) = -a - b

$-\left(4x^2+6x-3\right)=-4x^2-6x+3$

$=-4x^2-6x+3+x^2+2x-3$

Group same factor:

$=-4x^2+x^2-6x+2x+3-3$

Subtract:

$=-4x^2+x^2-6x+2x$

Add:

$=-3x^2-6x+2x$

Group same factor:

$=-3x^2-4x$

Hence answer = $-3x^2-4x$

~lenvy~

8 0

2 years ago

Is the following shape a square? How do you know?

Basile [38]

Answer:

Step-by-step explanation:

7 0

3 years ago

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How to find the missing side of a triangle

Akimi4 [234]

Answer:

All sides of a triangle should equal 180 degrees, so just add up the given sides and subtract them from 180

Step-by-step explanation:

3 0

3 years ago

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A car rental agency currently has cars available, of which have a GPS navigation system. Two cars are selected at random from th

Ainat [17]

Answer:

(30/40)*(29/39) = 29/52 =~ 0.55769

Step-by-step explanation:

The probability is calculated assuming the cars were chosen without replacement .

6 0

3 years ago

Can the sides of a triangle have lengths 2, 7, and 8?

Natalka [10]

Answer:

Yes

Step-by-step explanation:

As long as any two numbers added are greater than the number not chosen they can make a triangle

2+7= 9 9 is greater than 8

8+2= 10 10 is greater than 7

7+8= 15 . 15 is greater than 2

3 0

3 years ago