3 years ago

PLEASE HELP ME ANYONE !!!

Mathematics

2 answers:

nadezda [96]3 years ago

6 0

The answer is -10! Glade I could help!!

Debora [2.8K]3 years ago

6 0

answer is -10..........................................

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3. In the figure below, E is on AD and C is on BD. The dimensions given are in meters. What is the length, in meters, of CD?

damaskus [11]

Answer:

C. 3,960

Step-by-step explanation:

∆ADB ~ ∆EDC. Therefore,

$\frac{AB}{EC} = \frac{DB}{DC}$

$\frac{2,000}{1,200} = \frac{2,640 + x}{x}$ (substitution)

Solve for x

$\frac{5}{3} = \frac{2,640 + x}{x}$

Cross multiply

$5*x = 3(2,640 + x)$

$5x = 7,920 + 3x$

5x - 3x = 7,920

2x = 7,920

x = 7,920/2

x = 3,960 meters

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2 years ago

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aalyn [17]

Its A, and both by a factor 1/15

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2 years ago

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PLEASE HELP ME!!!

crimeas [40]

B=4676+10043 c=b-2160 answer equals b+c
I hope this is helpful I am trying not to say the exact answer but to teach you instead

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3 years ago

Solve the inequality 14 + 10y >= 3(y + 14)

Brrunno [24]

14+10y > 3(y+14)

14+10y > 3y + 42
-3y -3Y

14 + 10y - 3y < 42

-14 -14

10y - 3y >42 - 14

7y > 28

Y> 4

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3 years ago

Help pleae look at the picture!

notsponge [240]

Line a and b are perpendicular

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2 years ago