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STALIN [3.7K]
3 years ago
9

If k = -3 what is the value of k + (2k - 10) ? A. –19 B. –7 C. 1 D. –14

Mathematics
1 answer:
gladu [14]3 years ago
3 0

Answer:

A

Step-by-step explanation:

We have the expression k+(2k-10)

We want to find the value when k is -3. So, substitute -3 for k and evaluate:

\Rightarrow (-3)+(2(-3)-10)

Multiply:

=-3+(-6-10)

Subtract:

=-3+(-16)

Add:

=-19

Therefore, our answer is A.

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4.) 960 meters in 15 seconds<br> Write the following rate as a unit rate
murzikaleks [220]

Answer:

64

Step-by-step explanation:

960 divided by 15 is 64. The unit rate means one so you are trying to get it to 1 second so just do 15 divided by 15 which is 1, then 960 divided by 15 which is 64

7 0
3 years ago
Determine the intercepts of the line.<br> 71 - 5 = 4y - 6
maw [93]

Answer:

y = 18

Step-by-step explanation:

71 - 5 = 4y - 6

66 = 4y - 6

72 = 4y

18 = y

P.S. I am not 100% sure if this is correct if it isn't I am greatly sorry

8 0
3 years ago
1) write a system on equations with the solution (2, -3). Work the problem out using the substitution method
solmaris [256]

The system of the equations that have the solution of (2, -3) are given below.

3x + 2y = 0 and 3y = 2x - 13

<h3>What is the linear system?</h3>

A Linear system is a system in which the degree of the variable in the equation is one. It may contain one, two, or more than two variables.

Write a system of equations with the solution (2, -3).

From a single point, an infinite number of lines pass through this point.

Let one line is passing through the origin. Then the equation of the line will be

\rm y  = \dfrac{-3}{2} (x)\\\\y = -1.5x

And the other line is perpendicular to the line which is passing through the origin and a point (2, -3).

\rm y = \dfrac{2}{3} x + c

Then this line also passes through a point (2, -3). Then the value of c will be

\rm -3 = \dfrac{2}{3} \times 2 + c\\\\c \ \  = -13

Then the equation of the line will be

3y = 2x -13

More about the linear system link is given below.

brainly.com/question/20379472

#SPJ4

8 0
2 years ago
Mustafa contributes 11% of his $67,200 annual salary to his 401(k) plan. What is his pretax income?
Juli2301 [7.4K]
11% of $67,200.
We need to keep in mind that some words and numbers here aren't important, like 401(k) plan. 
So what is 11% of $67,200?

\frac{11}{100}  * $67,200&#10;

11*$672

$7392

Hope this helps!
5 0
3 years ago
Read 2 more answers
Divide.
algol13

Answer:

Answer in simplified form is - 10 1/2 .

Step-by-step explanation:

We have given,

(5 1/4) ÷ (- 2 1/2)

This can be simplified as :

(5 1/4) ÷ ( -2 1/2)

Since 5 1/4 = 21/4  and -2 1/ 2 = -5/2

So we can write,

(5 1/4) ÷ ( -2 1/2) = 21/4 ÷ ( - 5/2)

or (21/4) / (-5/2)

or ( 21/4) * (-2/5)

or -42/20

or -21/10

or - 10 1/2 , this is the answer

Hence we get answer in simplified form as -10 1/2

7 0
3 years ago
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