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BartSMP [9]
3 years ago
13

Can anyone help me as soon as possible??

Mathematics
1 answer:
matrenka [14]3 years ago
3 0

Answer:

X = 16

Step-by-step explanation:

Notice that we are in the presence of two similar triangles, one larger than the other. The larger triangle is AED, and the smaller one is ACB.

Since there are similar triangles, we can write a proportionality between their known sides:

\frac{side\,\,AD}{side\,\,AB} =\frac{side\,\,ED}{side \,\,CB}

notice that AD = x + 6

AB = x

ED = 11

CB = 8

So now we can re-write the proportion and solve it for the unknown "x":

\frac{side\,\,AD}{side\,\,AB} =\frac{side\,\,ED}{side \,\,CB} \\\\\frac{x+6}{x} =\frac{11}{8} \\8\,(x+6)=11\,x\\8\,x\,+\,48=11\,x\\48=11\,x-8\,x\\48=3\,x\\x=\frac{48}{3} \\x=16

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6 0
2 years ago
Given the functions k(x) = 2x2 − 7 and p(x) = x − 4, find (k ∘ p)(x). (k ∘ p)(x) = 2x2 − 8x + 16 (k ∘ p)(x) = 2x2 − 16x + 32 (k
Anuta_ua [19.1K]

Answer:

<h2>(k ∘ p)(x) = 2x² - 16x + 25</h2>

Step-by-step explanation:

k(x) = 2x² - 7

p(x) = x - 4

To find (k ∘ p)(x) substitute p(x) into k(x),

that's replace any x in k(x) by p(x)

We have

(k ∘ p)(x) = 2(x - 4)² - 7

Expand

(k ∘ p)(x) = 2( x² - 8x + 16) - 7

= 2x² - 16x + 32 - 7

Simplify

We have the final answer as

<h3>(k ∘ p)(x) = 2x² - 16x + 25</h3>

Hope this helps you

3 0
3 years ago
The top of a loading ramp is 5 feet off the ground. The ramp rises at a 30° angle. To the
Scorpion4ik [409]

Answer:

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Mike fills his car’s tank with 20 gallons of regular gas at $2.87 per gallon. His car averages 25 miles per hour. Serena fills h
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Answer:


Step-by-step explanation: i rlly dont know dont worry someone will answer it for u!

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I WILL give Brainly, I need the whole answer.. thank you! :) links/trolls will be reported..
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Answer:

hey iam too late but i will help you

if i understand it correctly you have to do this

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we take x=0

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hopefully its correct

(0,3)

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