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drek231 [11]
3 years ago
11

3x-5y= -7 9x+7y= 89 Solve the system of equations and enter answer an an ordered pair.

Mathematics
1 answer:
Sati [7]3 years ago
8 0
Honestly I don't know that is a really hard question
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What is -3 (5a + 2 + 3c) simplified?​
GuDViN [60]
-15a - 9c -6 should be right :)
6 0
3 years ago
point I is on line segment HJ. GIVEN IJ = 3× + 3, HI = 3× - 1, and HJ = 3× + 8, determine the numerical length of HJ.
Vedmedyk [2.9K]

Given, IJ = 3x + 3, HI = 3x - 1, and HJ = 3x + 8.

Since I is a point on line segment HJ, we can write

HJ=HI+IJ\begin{gathered} 3x+8=(3x-1)+(3x+3) \\ 3x+8=6x+2 \\ 8-2=6x-3x \\ 6=3x \\ 2=x \end{gathered}

Put x=2 in HJ=3x+8.

\begin{gathered} HJ=3\times2+8 \\ HJ=6+8 \\ =14 \end{gathered}

Therefore, the numerical length of HJ is 14.

4 0
1 year ago
I NEED HELP PLEASE HELP ME
CaHeK987 [17]

Answer:

6 donuts

Step-by-step explanation:

first divide the cost of the donuts by the amount of donuts per box

6 donuts:

2.10 ÷ 6 = .35 per donut

12 donuts

5.40 ÷ 12 = .45 per donut

18 donuts

7.20 ÷ 18 = .40 per donut

24 donuts

12 ÷ 24 = .50 per donut

3 0
3 years ago
In a right triangular prism, the area of the triangular base is 50 square feet. The height of the prism is 12 feet. What is the
weeeeeb [17]

Answer: 600 ft.

Step-by-step explanation:

The height is 12, and the base is 50. So V=ABh=50·12=600ft³, just plug in the numbers.

6 0
2 years ago
Read 2 more answers
The equation p=100−4t represents the percent p of battery power remaining in an MP3 player after t hours.
fenix001 [56]

Answer:

Step-by-step explanation:

Here time (t) is the independent variable; power (p) is the dependent one.

The graph of p = 100 - 4t is a straight line with slope -4.  100 is the vertical intercept.  Battery power begins at 100 and steadily decreases after that.

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3 years ago
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