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sesenic [268]
2 years ago
5

PLEASE HELP ME

Mathematics
1 answer:
Sonbull [250]2 years ago
6 0

Answer:

<u>A coordinate grid is shown from negative 10 to positive 10 on the x axis and also on the y axis. Two lines are shown intersecting on the ordered pair 3, 8.</u>

Step-by-step explanation:

<u>Finding the solution of these 2 equations</u>

  1. y = -2x + 14
  2. y = 2x + 2

Equating them :

  • -2x + 14 = 2x + 2
  • 2x + 2x = 14 - 2
  • 4x = 12
  • x = 3

Substitute in a equation to find y :

  • y = 2(3) + 2
  • y = 6 + 2
  • y = 8

The solution is (3, 8).

The <u>1st explanation</u> is the correct one.

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Give the domain of each of the following functions in interval notation.
balandron [24]

Answer:

the domain of f(x) is R  ⇒ ] -∞ , ∞[

the domain of h(x) is x ≤ -5 ⇒ ] -∞ , -5]

Step-by-step explanation:

h(x) = \sqrt[8]{-2x-10}

-2x - 10 ≥ 0

-2x ≥ 10

x ≤ -5

8 0
3 years ago
A textbook store sold a combined total of 289 sociology and math textbooks in a week. The number of math textbooks sold was 65 l
erica [24]

Answer:

Contradictrion

Step-by-step explanation:

First write an equation. If the total is 289, then that goes one the right side of the =. Sociology textbooks will be x. If there were 65 less than x, it will be 65-x. Lets set it up:

x + 65 -x =289

Then combine like terms.

65 = 289

There are no values of x that make the equation true. The input is a contradiction.

<u></u>

<h2><u>NO ANSWER</u></h2>
8 0
3 years ago
I want to bake cookies and I decide on two different recipes. One recipe requires 2 1/2 cups of sugar. The other recipe requires
podryga [215]
So just add 2 1/2 = 2.5and 1 1/4= 1.25 and that will equal, 3.75 cups in other words that will equal 3 3/4.cups of sugar total.
7 0
3 years ago
I have having a problem with this equation 3(-2-3x) = -9x-4
inn [45]

Answer:

3(-2-3x) = 9x-4

-6-9x = 9x-4

-6+6-9x = 9x-4+6

-9x = 9x+2

-9x-9x = 9x-9x+2

-18x = 2

-18x÷(-18) = 2÷(-18)

x = -(1/9)

Thank you

BY GERALD GREAT

6 0
3 years ago
Please I need do know this asap! Give ping brainliest!
Marizza181 [45]

Answer:

A) 19

B) -5

C) 15

D) -6

6 0
3 years ago
Read 2 more answers
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