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4 years ago

According to the number line, what is the distance between points A and B? 6 units 7 units 12 units 14 units

Mathematics

1 answer:

IgorLugansk [536]4 years ago

6 0

Answer:

hope this helps :)

Step-by-step explanation:

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Find the value for b. 3x^2– X-10 =0<br>

Greeley [361]

Answer:

3x^2 -(6-5)x-10=0

3x^2 -6x+5x-10=0

3x(x-2)+5(x-2)=0

(x-2) (3x+5) = 0

either,

x -2 =0

x=2

then,

3x +5=0

x= -5/3

3 0

3 years ago

Translate the sentence into an equation. Twice the difference of a number and 7 is equal to 2. Use the variable y for the unknow

PolarNik [594]

Answer:

pls brainliest

Step-by-step explanation:

The difference btw the number and 7= y-7

so twice:2(y-7)=2

2y-14=2

7 0

3 years ago

Please help!ill give brainliest

Delicious77 [7]

Hey there!!

How do we find inverses?

In versing is the just the flip-flop of the x and y.

Given equation :

...f(x) = √(2x-6)

... y = √(2x-6)

... x = √(2y-6)

Square on both sides

... x² = 2y-6

... x² + 6 = 2y

... x² + 6 / 2 = y

Inverse :

f(x) = ( x² + 6 ) / 2

( ii ) f(x) = ( x - 2 )³ + 8

... y = ( x - 2 )³ + 8

... x = ( y - 2 )³ + 8

... x - 8 = ( y - 2 )³

... cube root on both sides

... ∛( x - 8 ) = y - 2

... ∛(x - 8 ) + 2 = y

Inverse :

f(x) = ∛( x - 8 ) + 2

Hope my answer helps!!

4 0

3 years ago

Read 2 more answers

If you were to solve the following system by substitution, what would be the best variable to solve for and from what equation?

VashaNatasha [74]

Answer: B. x, in the second equation

Step-by-step explanation:

The given system :

$2x+6y=9...................(1)\\\\3x-12y=15.........................(2)$

To apply the substitution method , first we need to select the best variable and a equation which is easy to simplify.

From the given system equation (2) have all the numbers which are multiples of 3.

Then we divide 3 on both sides of equation (2), we get

$x-4y=5\\\\\Rightarrow\ x=4y+5$

Therefore, the best variable to solve for and from what equation is x, in the second equation.

7 0

3 years ago

What two numbers multiply to be -375 and adds to be 10?

mariarad [96]

The numbers are 25 and -15.

7 0

4 years ago