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RSB [31]
3 years ago
10

Please help me with this question :)​

Mathematics
2 answers:
VMariaS [17]3 years ago
6 0

Answer:

q > 9/17

Step-by-step explanation:

50q + 43 > - 11q + 70

50q + 11q > 70 - 43

61q > 27

q > 27/61

q > 9/17

abruzzese [7]3 years ago
5 0

Answer:

Go ask your teacher... be a good student

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Find the equation of the straight line through (–2, 3) perpendicular<br> to 2x + y =8
Thepotemich [5.8K]

Answer:

y = \dfrac{1}{2}x + 4

Step-by-step explanation:

The equation of a line in slope-intercept form is

y = mx + b

We need to find the slope, m, and the y-intercept, b.

The line we need is perpendicular to the line 2x + y = 8.

<em>The slopes of perpendicular lines are negative reciprocals.</em>

We solve the given equation for y to find the slope of the given line.

2x + y = 8

y = -2x + 8

The given line has slope -2.

The negative reciprocal of -2 is 1/2.

Our line has slope, m = 1/2.

Now we have

y = 1/2 x + b

Now we use the given point, (-2, 3), for x and y, using x = -2, and y = 3, and we solve for b.

y = 1/2 x + b

3 = 1/2 * (-2) + b

3 = -1 + b

4 = b

b = 4

Now we have

y = 1/2 x + 4

Answer: y = \dfrac{1}{2}x + 4

8 0
3 years ago
Bella has 40 coins, all nickles and quarters, worth $7.60. How many nickles and quarters does she have?
Anestetic [448]

Answer:

28 quarters and 12 nickles

Step-by-step explanation:

How many quarters goes into 7 dollars? 28, because there is 4 in each dollar.

How many nickles are in 60 cents? 12, because 5 times 12 is 60.

7 0
3 years ago
Read 2 more answers
The sum of twice a<br> number and 31
Andreyy89

Answer:

Let the unknown number be x ;

2(x) +31\\=2x+31

Step-by-step explanation:

3 0
2 years ago
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Ivanshal [37]

1. To answer this question we must keep on mind that we already have the distance from Cleveland to Cincinnati.

2. They tell us that it is 40 centimeters on the first map.

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40cm = 10km * 40 = 400km

4. Then the distance from Cleveland to Cincinnati is 400 kilometers.

5. On the second map 1cm = 50km

6. Then we want to know how many centimeters represents 400 kilometers on the second map. Therefore:

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6 0
3 years ago
Find the area of the triangle.
KengaRu [80]

Answer:

10 Square feet or square meter

Step-by-step explanation:

Area of a triangle = bh / 2

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h represents the height which is 5

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Area = 10

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7 0
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