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lawyer [7]
3 years ago
15

I choose brainliest jus answer the question

Mathematics
1 answer:
Anna11 [10]3 years ago
6 0

Answer:

The width of the rectangle is \sqrt{35} and the length of the rectangle is 2\sqrt{35}

Step-by-step explanation:

l = 2w

A = l * w

A = 2w * w

70 = 2w^{2}

35 = w^{2}

\sqrt{35} = w

2\sqrt{35} = l

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find three consecutive even integers so that the twice the sum of the second and third is twelve less than six times the first
zysi [14]

n, n + 2, n + 4 - three consecutive even integers

the twice the sum of the second and third: 2[(n + 2) + (n + 4)]

twelve less than six times the first: 6n - 12

The equation:

2[(n + 2) + (n + 4)] = 6n - 12

2(n + 2 + n + 4) = 6n - 12

2(2n + 6) = 6n - 12       <em>use distributive property</em>

(2)(2n) + (2)(6) = 6n - 12

4n + 12 = 6n - 12       <em>subtract 12 from both sides</em>

4n = 6n - 24       <em>subtract 6n from both sides</em>

-2n = -24        <em>divide both sides by (-2)</em>

n = 12

n + 2 = 12 + 2 = 14

n + 4 = 12 + 4 = 16

<h3>Answer: 12, 14, 16</h3>
4 0
3 years ago
In triangle ABC, angle bisectors line AD, line BE, and line CF meet at I. If DI = 3, BD = 4, and BI = 5, then compute the area o
Nikitich [7]

The area of triangle ABC is the amount of space on the triangle

The area of the triangle is 54.84 square units

<h3>How to determine the area of triangle ABC</h3>

Start by drawing the triangle (see attachment)

Next, calculate the measure of angle B using the following tangent ratio

\tan(B/2) = \frac 34

This gives

\tan(B/2) = 0.75

Take the arc tan of both sides

B/2 = 36.87

Multiply by 2

B = 73.74

Next, calculate the length of side AD using the following equation

AD = \tan(B) * BD

This gives

AD = \tan(73.74) * 4

AD =13.71

The area of the triangle is then calculated as:

Area = AD * BD

This gives

Area = 13.71 * 4

Area = 54.84

Hence, the area of the triangle is 54.84 square units

Read more about areas at:

brainly.com/question/24487155

8 0
2 years ago
Please answer quick!!​
vesna_86 [32]
Are those X’s or K’s
6 0
2 years ago
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What is the percent of change from 90 to 18???
Kazeer [188]

Answer:

5% decrease

Step-by-step explanation:

3 0
3 years ago
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Four brothers each bought two hot dogs and a bag of chips at the football concession stand. If the bag of chips was $1.25, and t
GrogVix [38]

Answer:

The price of one hot dog is $1.65

Step-by-step explanation:

8h+4c= x

c= 1.25

x= 18.20

8h + 4(1.25)= 18.20

8h + 5 = 18.20

( subtract 5 from both sides of the equation)

8h = 13.20

( divide both sides by 8 to isolate the variable)

h = 1.65

so each hot dog is 1.65

3 0
3 years ago
Read 2 more answers
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