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NISA [10]
2 years ago
5

8 7/8 - 7 1/2 - 3/4​

Mathematics
1 answer:
Fantom [35]2 years ago
4 0

Answer:

3/8

Step-by-step explanation:

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If AACD ~ AABE, find the value of x.
Anastaziya [24]

9514 1404 393

Answer:

  x = 16

Step-by-step explanation:

Corresponding sides are proportional.

  BE/CD = AE/AD

  20/(3x+8) = (x-1)/(x-1+27)

  20(x+26) = (3x+8)(x -1)

In standard form, this is ...

  3x^2 -15x -528 = 0

  x^2 -5x -176 = 0 . . . . . . divide by 3

  (x -16)(x +11) = 0 . . . . . . . factor

  x = 16

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This is the positive value that makes the product zero. x=-11 will also make the product 0, but gives negative segment lengths in the geometry. It is an extraneous solution.

4 0
3 years ago
This morning, Raina's car had 18.18 gallons of fuel. Now, 5.7 gallons are left. How much fuel did Raina use?
guapka [62]

Answer:

12.48 gallons

Step-by-step explanation:

Subtract the starting amount from the ending amount

18.18 - 5.7

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3 0
3 years ago
Read 2 more answers
Help needed!!! Please
Sliva [168]

Answer:

<em>The correct option is:  C. x=6\sqrt{3}, y=12</em>

Step-by-step explanation:

The two angles of the triangle are given as 60° and 60°

As the sum of all three angle in any triangle is always 180°, so the measure of the third angle will be: 180°-(60°+60°) = 180° - 120° = 60°

Now each angle of the triangle is 60°, it means the triangle is equilateral.

The base of the triangle is given as 12. So, the length of each side will be 12.

That means, the value of y=12

Now in the left right triangle.....

Sin(60)=\frac{x}{y} \\ \\ \frac{\sqrt{3}} {2}=\frac{x}{12} \\ \\ 2x=12\sqrt{3} \\ \\ x=6\sqrt{3}

So, the value of x = 6\sqrt{3}

7 0
2 years ago
Judy uses 7.5 pints of blue paint and white paint to paint her bedroom walls. 1/4 of this amount is blue paint, and the rest is
lianna [129]

Answer:

5.625 pints

Step-by-step explanation:

refer to pic

8 0
3 years ago
Please help ASAP 25 pts + brainliest to right/best answer
zhuklara [117]

Answer:


Step-by-step explanation:

LOGb(x)=y

4^5=1024

= log(4)1024=5

4 0
3 years ago
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