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evablogger [386]
3 years ago
11

Solve x and y intercept 5x-6y=-14 and x+2y=10

Mathematics
1 answer:
Butoxors [25]3 years ago
8 0

Answer:

x= 5.5      y=2.25

Step-by-step explanation:

5(10 - 2y) -6y=14

50-10y-6y=14

50- 16y=14

-16y=-36

divide by negtivve # to get positive #

y=2.25

substiue

x+ 2(2.25) =10

x+4.5=10

x=5.5

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78.2 times 10 to the fourth power in standard form
aivan3 [116]

you would move the decimal to the right four times giving you 782000

5 0
3 years ago
Help pls also show work if needed!
mr Goodwill [35]

Answer:

yes, no, yes, no

Step-by-step explanation:

For it to be a line, that means that when x goes up by 1 y goes up by the same thing every time.

7a. from (1, 12) to (2, 8), the x coordinate goes up by 1 and the y coordinate goes down by 4. From (2, 8) to (3, 4) the y coordinate again goes down by 4 when the x coordinate goes up by 1. This pattern continues for the other points, so yes.

Do the same thing for the rest and you should get:

7b. No

7c. Yes

7d. No

4 0
3 years ago
Read 2 more answers
Determine if w = -2 is a solution for the inequality <br> 3w ≤ -12
anastassius [24]
<h3>Answer:   It is <u>not</u> a solution</h3>

======================================================

Explanation:

Plug in w = -2 and simplify.

3w ≤ -12

3(-2) ≤ -12

-6 ≤ -12

The last inequality is false because -6 is neither equal to -12, nor is -6 smaller than -12. Use a vertical number line to see that -6 is above -12, so it should be -12 ≤ -6.

Since -6 ≤ -12 is false, that makes 3w ≤ -12 false when w = -2.

Therefore, w = -2 is <u>not</u> a solution to the given inequality.

7 0
3 years ago
I need help. I'm desperate. Find the area of the shaded region, round to the nearest tenth. I will give brainliest
Alja [10]

ANSWER

A. (243pi+162) ft^2

EXPLANATION

The area of the shaded region is the sum of the area of the major sector and the area of the isosceles triangle.

Area of major sector

<h3>=\frac{360-90}{360} × \pi × 18^2</h3>

=243\pi ft^2

The area of the isosceles triangle is calculated using the formula;

=\frac{1}{2}r^2sin(0)

<h3>=\frac{1}{2} × 18^2 sin(90)</h3>

=162ft^2

The area of the shaded region

=(243\pi +162)ft^2

The correct answer is A.

4 0
2 years ago
Rational formulas and variations
Zanzabum

Answer:

Direct to running

Joint to apples

Direct to meat

I hope this is good enough:

7 0
3 years ago
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