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klio [65]
2 years ago
9

The points (9,-2) and (10,r) fall on a line with a slope of 2 what is the value of r.

Mathematics
1 answer:
Ludmilka [50]2 years ago
5 0

Answer:

r=0

Step-by-step explanation:

slope=(y2-y1)/(x2-x1)

2=(r+2)/(10-9)=r+2

r=2-2=0

r=0

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50 points! Expert verified please help me ! Random answers will be reported
Vikentia [17]

Answer:

(1,-2)

Step-by-step explanation:

(x,y)transforms(y,-x)at about 270°.

3 0
3 years ago
Roberto must make his costume for his school play. He needs a piece of fabric that is 2 2/3 yards long and 1 1/2 yards wide. Wha
erik [133]

Answer:

He will need 8.34 yards of fabric.

Step-by-step explanation:

Given that,

The length of the fabric, l = 2 2/3 yards = 8/3 yards

The width of the fabric, b = 1 1/2 yards = 3/2 yards

We need to find the piece of fabric Roberto needs. It is equal to the perimeter of the fabric such that,

P=2(l+b)\\\\P=2(\dfrac{8}{3}+\dfrac{3}{2})\\\\P=2\times \dfrac{25}{6}\\\\P=8.34\ \text{yards}

So, he will need 8.34 yards of fabric.

7 0
3 years ago
Lines A and B are parallel lines cut by a transversal. Find the value of x.
myrzilka [38]

Answer:12.33333333333

Step-by-step explanation:

8x - 2 = 14x - 76

74 = 6x

12.333 = x

4 0
2 years ago
Stickers come in packs of 5. Max buys 12 packs. He gave his three friends some stickers. They each receive the same number. He h
Butoxors [25]

Answer: 11 stickers each

Step-by-step explanation:

given data:

packs of stickers bought by mark = 12 ( 5 ) = 60 stickers

no of stickers left with mark = 27

= Total no of stickers – stickers remaining with mark

= 60 – 27

= 33 stickers

he gave his 3 friends equal number of stickers.

3x = 33

x = 11

number of stickers received by each friend is 11

3 0
3 years ago
PLEASE HELP ME <br><br> A<br><br> B<br><br> C<br><br> OR<br><br> D
RoseWind [281]

Answer:

Examine the mathematical expression you're working on. For example, suppose you're given 5x + 3. There are two terms here, 5x and 3. Look for the variable. In this case, x is the variable.  In your case its c

Find the numerical coefficient of x. Remember to look for the number before the variable. In this case, 5 is the numerical coefficient. The term 3 is a constant and is separated from the variable by a plus sign.

Keep an eye out for negative coefficients. For example, suppose you're given the statement -y + 7 + 98. You would first identify the variable, y.

Look for the numerical coefficient of y. In this case, a "1" is implied before the variable, but it's negative in this instance. Therefore, the coefficient of y is negative 1.



7 0
3 years ago
Read 2 more answers
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