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Tanzania [10]
3 years ago
7

In rectangle ABCD, AB = 18, BC = 24, and AECF is a rhombus. Find FD. The figure is not drawn to scale.

Mathematics
1 answer:
zhuklara [117]3 years ago
7 0

Answer:

Step-by-step explanation:

Let's say BE is x then:

x^2 + 18^2 = (24 - x)^2

==> x = 5.25

BE = FD == x

==> FD = 5.25

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Simplify<br> x2 + 6 − (3x2 − 2x − 5)
Karolina [17]

Answer:

- 2x² + 2x + 11

Step-by-step explanation:

Given

x² + 6 - (3x² - 2x - 5) ← distribute parenthesis by - 1

= x² + 6 - 3x² + 2x + 5 ← collect like terms

= - 2x² + 2x + 11

4 0
3 years ago
Read 2 more answers
Explain why an equation is extraneous. Explain why an equation is non extraneous.
TEA [102]

Answer:

I hope it's helpful.

Step-by-step explanation:

In mathematics, an extraneous solution (or spurious solution) is a solution, such as that to an equation, that emerges from the process of solving the problem but is not a valid solution to the problem.

5 0
3 years ago
Please help!!!<br> picture below
iVinArrow [24]

Answer:

4^3x=4^(4x+4)

Step-by-step explanation:

You can eliminate the first 2 options since those don’t make sense already, and the last option changed 64 to 2^6 which is correct, but when they changed the other side. They should have multiplied 8 to both x and 1 which would have made the whole term 2^(8x+8) and not 2^(8x+1). Left with the third option, 4 to the power of 3 is 64 so the left side makes sense, 4^3x=64^x, on the right side, 4^4 equals 256, so the whole exponent should multiply by 4 so from 256^(x+1) you get 4^4(x+1) giving 4^(4x+4) making the third choice the right answer.

6 0
2 years ago
I need some help with this! i want my grade to go up
mart [117]

Answer:

44.159

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
70 points !!! So try
Kazeer [188]

Answer:

1/ 5²

Step-by-step explanation:

= 5³ × 1/5⁵

= 125 × 1/5⁵

= 125/3125

= 1/25 or 1 / 5²

3 0
3 years ago
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