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2 years ago

Will pick brainliest

Mathematics

1 answer:

mote1985 [20]2 years ago

4 0

He is correct but could I get brainliest anyways? Please

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PLEASE HELP ME!! 1.02: Triangle Similarity 1 What is the value of X?

hichkok12 [17]

Answer:

Step-by-step explanation:

ΔARP and ΔCRD are similar. Therefore the sides are in proportion:

$\dfrac{AR}{CR}=\dfrac{PR}{DR}$

We have:

AR = 10 + x

CR = x

PR = 15 + 42 = 57

DR = 42

Substitute:

$\dfrac{10+x}{x}=\dfrac{57}{42}$ cross multiply

$42(10+x)=57x$ use distributive property

$(42)(10)+(42)(x)=57x$

$420+42x=57x$ subtract 42x from both sides

$420=15x$ divide both sides by 15

$x=28$

6 0

3 years ago

WILL GIVE BRAINLIEST! Find k so that (5, k) is equidistant from (–1, 2) and (3, 0).

pochemuha

Answer:

Step-by-step explanation:

So first I created 2 distance forumlas and set them equal to each other

$\sqrt{(5+1)^2+(k-2)^2} =\sqrt{(5-3)^2+(k)^2}$

then I simplified them

$(5+1)^2+(k-2)^2 =(5-3)^2+(k)^2\\$

$36 + k^2 - 4k +4 = k^2 + 4$

$-4k + 36 = 0\\$

$4k = 36$

$k = 9$

when k = 9, the two distances are equal

7 0

3 years ago

Please help this is 8th grade math

topjm [15]

Answer:

Step-by-step explanation:

The point starts at 250 on the Y-Axis

5 0

2 years ago

Read 2 more answers

It wont let me post a picture of the angles but they are verticle angles and the equations are (3x+8), (5x-40) and it says find

____ [38]

Vertical angles are equal

5x - 40 = 3x + 8
5x - 3x = 8 + 40
2x = 48
x = 48/2
x = 24

m∠ABC = 3x + 8 = 3 * 24 + 8 = 80°

(or m∠ABC = 5x - 40 = 5 * 24 - 40 = 80°)

8 0

2 years ago

Solve the inequality 2c/3+1>7

Rasek [7]

Answer:

c > 9

Step-by-step explanation:

2c/3 + 1 > 7

subtract 1 from both sides

2c/3 > 6

multiply both sides by 3

2c > 18

divide both sides by 2

c > 9

6 0

2 years ago