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Crazy boy [7]
3 years ago
8

Write a system of linear equations for the graph below

Mathematics
1 answer:
Goshia [24]3 years ago
7 0

Answer:

\left \{{{y=3-\frac{x}{3} }\atop { y=-2x-2}} \right.

Step-by-step explanation:

(-3,4),(0,3)\\y=3-\frac{x}{3} \\(-3,4),(0,-2)\\\\y=-2x-2

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Please help I have no idea how to do this!
Alexus [3.1K]

Answer:

D. <B = 141°

Step-by-step explanation:

The <u>sum of interior angles</u> of a polygon is

(n-2)*180, where n is the number of sides!

Sum of angles for our polygon that has 7 sides must be:

(7-2) *180 = 5*180 = 900

Sum of angles that are in the picture are:

120+129+130+142+90+148+ <B = 759 + <B

<B = 900 -759 = 141°

Check our work:

120°+129°+130°+142°+90°+148°+ 141° = 900°✅

7 0
2 years ago
Helppppppppppppppppp
bixtya [17]
The answer is C. Good luck
8 0
3 years ago
Read 2 more answers
One member of a gardening club can plant flowers in 12 hours. With two members of the club working together the job can be done
mariarad [96]

Answer:

24 hours

Step-by-step explanation:

One member of the gardening club can alone plant flowers in 12 hours.

So in 1 hour he can plant 1/12 of the flowers.

Let the time required by the second member of the club to plant flowers alone be x hours.

Then in 1 hour he can plant 1/x of the flowers.

Now when the two members work together,each hour they can plant:

\[\frac{1}{12}+\frac{1}{x}\] of the flowers.

But they can together complete the job in 8 hours. So in one hour they plant 1/8 of the flowers.

=> \[\frac{1}{12}+\frac{1}{x}=\frac{1}{8}\]

=> \[\frac{1}{x}=\frac{1}{24}\]&#10;

=> x=24

So the second member can plant the flowers alone in 24 hours

4 0
3 years ago
What is the measure of angle A please HELP I’ll give you BRAINLIEST
k0ka [10]

Answer:

Option (3)

Step-by-step explanation:

By applying cosine rule in the triangle ABC,

BC² = AC² + AB² - 2(AC)(AB)cosA

5² = 3² + 7²- 2(3)(7)cosA

25 = 9 + 49 - 42cos(A)

25 = 58 - 42cos(A)

cos(A) = \frac{33}{42}

A = \text{cos}^{-1}\frac{11}{14}

A = 38.21°

A ≈ 38°

Option (3) will be the correct option.

8 0
2 years ago
A hose fills a hot tub at a rate of 4.89 gallons per minute how many hours will it take to fill a 299 gallon hot tub
Lapatulllka [165]

the answer is 1 hour and 1/4 of a minute

4 0
3 years ago
Read 2 more answers
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