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3 years ago

Is 25 a perfect cube?

Mathematics

2 answers:

Korvikt [17]3 years ago

7 0

No it's not a perfect cube

const2013 [10]3 years ago

6 0

No,it is a perfect square

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What is 7! Like seven times all the numbers below it

aleksandr82 [10.1K]

Explain yourself more and I’ll help

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3 years ago

Solve for x 9x= 1/2(20x-8)

LenKa [72]

Answer:

Step-by-step explanation:

9x=10x-4

x=4

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3 years ago

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Given $dc = 7$, $cb = 8$, $ab = \frac{1}{4}ad$, and $ed = \frac{4}{5}ad$, find $fc$. Express your answer as a decimal.

Pachacha [2.7K]

A ↔ B ↔ C ↔ D ↔ E ↔ F

$\frac{1}{4} AD$ 8 7 $\frac{4}{5} AD$ ???

AB + BC + CD = AD segment addition postulate

$\frac{1}{4} AD$ + 8 + 7 = AD

$\frac{1}{4} AD$ + 15 = AD

AD + 60 = 4AD

60 = 3AD

20 = AD

AB = $\frac{1}{4} AD$ = $\frac{1}{4}(20)$ = 5

DE = $\frac{4}{5}AD$ = $\frac{4}{5}(5)$ = 4

CD + DE + EF = CF segment addition postulate

7 + 4 + EF = CF

11 + EF = CF

Answer: 11 + EF

Note: You did not provide any info about EF. If you have additional information that you did not type in, calculate EF and add it to 11 to find the length of CF.

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3 years ago

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GIVING BRAINLIEST PLEASE HELP How many triangles can you make with side lengths of 3mm, 7mm, and 4.69mm? (explain in words or nu

DanielleElmas [232]

Answer:

Step-by-step explanation:

Three side lengths that meet the requirements of the triangle inequality will form exactly one triangle.

_____

The triangle inequality requires the sum of the short sides be at least as long as the long side. Here, we have 3 + 4.69 = 7.69 > 7, so we satisfy the triangle inequality.

The side lengths can be arranged in clockwise or counterclockwise order, least to greatest. Each triangle is a reflection of the other, so they are considered to be the same triangle (congruent).

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3 years ago

Find the f(0) and f(1)

Kruka [31]

Answer:

Step-by-step explanation:

to evaluate substitute x = 0 and x = 1 into f(x)

note that $a^{0}$ = 1