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Afina-wow [57]
2 years ago
13

Simplify. (-3x - 2) - (7x + 9)

Mathematics
1 answer:
Goshia [24]2 years ago
8 0

look at the picture i sent..........

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Estado tratando esto por mucho tiempo​
maksim [4K]

Answer:

1/2

Step-by-step explanation:

Paso Uno: \frac{5}{1}* \frac{5}{1} *\frac{5}{1}* \frac{5}{1} *\frac{5}{1}* 1/10= 5/10

Paso Dos: Simplificar:

5/5=1

10/5=2

Paso Tres: fracción es 1/2

6 0
3 years ago
Amir stands on a balcony and throws a ball to his dog, who is at ground level. The ball's height (in meters above the ground), x
Marrrta [24]

When we graph the function, it has a vertex of (3, 16).

The maximum of the graph is the highest "x" value on the graph which is 3.

Since the maximum is 3, it will take 3 seconds for the ball to reach its maximum height.

A graph will be shown below showing the function and vertex.

Best of Luck!

5 0
2 years ago
Read 2 more answers
14570.7 to 3 significant figures​
NemiM [27]

Answer:

what

Step-by-step explanation:

5 0
3 years ago
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Lin and Tyler are drawing circles. Tyler’s circle has twice the diameter of lins circle. Tyler thinks that his circle will have
Allushta [10]

Answer:

No

Step-by-step explanation:

Ratio of areas = (Ratio of diameters)²

Ratio of areas = 2² = 4

7 0
2 years ago
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Which sentence below represents the number of test questions in the problem below?
katrin2010 [14]

Answer: there are 10 multiple choice questions and 15 short-answer questions

Step-by-step explanation:

Let x represent the number of multiple choice questions in the test.

Let y represent the number of short-answer questions in the test.

If the test has 25 questions, it means that

x + y = 25

Multiple-choice questions are worth 2 points, and short-answer questions are worth 4 points. The test is worth a total of 80 points. It means that

2x + 4y = 80 - - - - - - - -1

Substituting x = 25 - y into equation 1, it becomes

2(25 - y) + 4y = 80

50 - 2y + 4y = 80

- 2y + 4y = 80 - 50

2y = 30

y = 30/2 = 15

x = 25 - y = 25 - 15 = 10

A. The number of multiple-choice questions plus the number of short-answer questions is 25.

4 0
2 years ago
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