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4 years ago

Which of the following ordered pairs are y-intercepts? Check all that apply

Mathematics

2 answers:

Varvara68 [4.7K]4 years ago

8 0

A y-intercept is the value at which x = 0.

(4,0) is not a y-intercept because x = 4.

(-1, 1) is not a y-intercept because x = -1.

(0,0) is a y-intercept because x = 0.

(0, -7) is a y-intercept because x = 0.

(-2, 2) is not a y-intercept because x = -2.

(0, -0.25 is a y-intercept because x = 0.

Ierofanga [76]4 years ago

7 0

Answer:

here's the answer

Step-by-step explanation:

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5(3r+11)=85

raketka [301]

Answer:

r = 2

Step-by-step explanation:

Actually, there are 2 ways to solve this equation.

The first one:

5( 3r + 11) = 85

so here, you have to multiply 5 by ( 3r + 11) and maintain the 85

15r + 55 = 85... now put the like terms together. In other words, just transpose 55 to the other side. 

15r = 85 -55..... remember that the sign of 55 will change from positive to negative 

15r = 30.... now divide both sides by 15

15r/15 = 30/15

 r = 2

The second method :

5 ( 3r + 11) = 85...... divide both sides by 5

5 (3r + 11) / 5 = 85/5

3r + 11 = 17

3 r = 17 - 11

3r = 6 

r = 2

I hope this helps. If you don't quite get it, please go through until you get it. Have a nice day :-)

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3 years ago

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Pls help ASAP will mark Brainlyest!!

Alika [10]

Answer:

312cm2

Step-by-step explanation:

Area of the triangles:

A =1/2bh

A=1/2(10*12) = 1/2*120=60.

There are two triangles. 60*2=120. 120 is the area of both triangles.

Area of the rectangle:

16*12=192.

120+192=312cm2

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3 years ago

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Kat is painting the edge of a triangular stage prop with reflective orange paint. The lengths of the edges of the triangle are (

Serggg [28]

Given:
edge 1 = 3x - 4
edge 2 = x² - 1
edge 3 = 2x² - 15

perimeter if x = 4

edge 1 = 3(4) - 4 = 12 - 4 = 8
edge 2 = 4² - 1 = 16 - 1 = 15
edge 3 = 2(4²) - 15 = 2(16) - 15 = 32 - 15 = 17

Perimeter = 8 + 15 + 17 = 40 feet.

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3 years ago

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8. A carpenter balances his daily projects between small jobs (x) and building cabinets (y). He allots 2

garik1379 [7]

Answer:

$\$1125$

Step-by-step explanation:

The equations of the system are

$2x+4y\leq 12$

$y\geq 0$

$0$

From the graph it can be seen that points $(3,1.5)$ and $(3,0)$ falls in the bounded region.

The income will be

$125x+500y=125\times 3+500\times 1.5\\ =\$1125$

$125\times 3+500\times 0=\$375$

So, the person can do 3 small jobs and build 1 and a half cabinets per day.

The maximum income will be $\$1125$ .

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Over several months, a meteorologist recorded a total snowfall of 8.6 centimeters. During this period, the average monthly snowf

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He recorded the snowfall for 2 months

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