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kiruha [24]
4 years ago
15

HELP ME OUT WILL BE MARK BRAINLIEST .............

Mathematics
1 answer:
inysia [295]4 years ago
5 0
P = l + w + l + w or 2l + 2w
answer is A. first one.


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Which is the equation of the given line? (-10,-7) (3,-7)
Vladimir [108]

Answer:  y=-7

Step-by-step explanation:

The equation of the line in Slope-intercept form is:

y=mx+b

Where "m" is the slope of the line and "b" is the y-intercept.

Find the slope with this formula:

m=\frac{y_2-y_1}{x_2-x_1}

Given the points (-10,-7) (3,-7), substitute values into the formula. Then:

m=\frac{-7-(-7)}{-10-3}\\\\m=\frac{0}{-13}\\\\m=0

Substitute the slope and any point into  y=mx+b and solve for "b":

-7=0x+b\\b=-7

Then, substituting "m" and "b" into the equation  y=mx+b, you get that the equation of this line is:

 y=0x-7

 y=-7

4 0
3 years ago
I need help on 13 and 14
saveliy_v [14]

Answer:

Hope this helps!!!!

Step-by-step explanation:

3 0
3 years ago
The length of a rectangle is three less than twice the width. If the perimeter is 156cm, find it’s dimensions.
Monica [59]

Answer:

length = 47, width = 25

Step-by-step explanation:

L = 2W - 3

2L + 2W = 156

2( 2w -3) + 2W = 156

4w - 6 + 2W = 156

6W = 150

W = 25

L = 2(25) - 3

L = 47

8 0
3 years ago
The library is to be given 5 books as a gift. the books will be selected from a list of 21 titles. if each book selected must ha
Natali5045456 [20]

This is a combination problem. Order does not matter and the books are all different. You would write this as 21C5 or \tbinom{21}{5}. Combinations are not fractions.

The answer is \frac{21 * 20 * 19 * 18 * 17}{1 * 2 * 3 * 4 * 5}

which = 20349 different ways these books can be chosen.


5 0
3 years ago
Read 2 more answers
Use the information to determine the exact trigonometric value sin theta =-1/5, pi
butalik [34]

Answer: -2 (sqrt:6)/5

Step-by-step explanation:

5 0
3 years ago
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