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Contact [7]
3 years ago
7

-3m+10=25 need this fast please!

Mathematics
1 answer:
Ymorist [56]3 years ago
7 0

Answer:

m=-5

Step-by-step explanation:

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What is the slope of a line perpendicular to a line with the equation y = 5x - 2 ?
dimulka [17.4K]

Answer:

-1/5

Step-by-step explanation:

Perpendicular lines are lines which have a specific relationship. The slopes of the two lines are negative reciprocals of each other. We can find the slope easily in slope-intercept form, y=mx+b.

Since our equation is already in slope intercept form then y=5x-2 has a slope of 5.

The slope of the perpendicular line will be -1/5. This is the negative reciprocal of 5.

8 0
4 years ago
The corresponding sides of two similar rectangles are 6 ft and 10 ft. The area of the smaller rectangle is 78 ft2. To the neares
Ira Lisetskai [31]
We know one side of the smaller rectangle, 6ft. Therefore the longer side is 78/6 ft = 13ft.

The ratio of small to large side is 6:10, so the larger rectangles other length is (13 / 6) * 10 ft = 21.666... ft.

Thus the area of the larger rectangle is 21.666... * 10 = 216.666... ft^2, and hence to the nearest whole number it is 217 ft^2
3 0
4 years ago
What is the area of a sector with a central angle of 3pi/5 radians and a diameter of 21.2cm
Elenna [48]
Answer: 105.84 cm^2

To find the answer, first you have to start by finding the percent of the circle in the sector. Convert the radians given to 108 degrees. 108 out of 360 is 30%. 

Now, find the area of the circle. It's pi x r^2, so the area is 352.810.

Multiply this by 30% to find our area of 105.84 cm^2
8 0
3 years ago
Solve the equation. Check your answer.<br> 8=t -8.5
Kay [80]

Answer:

t= 16.5

Step-by-step explanation:

See the steps below:)

6 0
3 years ago
to shift the graph of an equation some numbers of units to the ___, you add that number to each graph
solmaris [256]

Answer:

B

Step-by-step explanation:

Given

y = f(x), then

y = f(x ± a) is a horizontal translation of a units

• If f(x + a) then shift of a units left ←

• If f(x - a) then shift of a units right →

3 0
3 years ago
Read 2 more answers
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