3 years ago

You need to solve for X

Mathematics

1 answer:

zhenek [66]3 years ago

5 0

Look at the picture.

We have the proportion:

$\dfrac{x}{2}=\dfrac{305}{122}\ \ \ \ |\cdot2\\\\x=\dfrac{305}{61}\\\\x=5\ ft$

Answer: Rayan is 5 ft tall.

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How many integers between 199 and 599 are multiple of 3

Reptile [31]

A.P. series would be: 201, 204, 207 .... 597
Here, a = 201, d = 3, l = 597

Now, l = a + (n - 1) d
597 = 201 + (n - 1)3
597 - 201 = 3n - 3
396 + 3 = 3n
n = 399/3
n = 133

In short, Your Answer would be 133

Hope this helps!

8 0

2 years ago

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-2/3a+5/6a-1/6 simplify

ratelena [41]

Answer:

$\frac{1}{6} a-\frac{1}{6}$

Step-by-step explanation:

$-\frac{2}{3} a+\frac{5}{6}a-\frac{1}{6}$

$=-\frac{4}{6} a+\frac{5}{6}a -\frac{1}{6}$

$= \frac{1}{6} a-\frac{1}{6}$

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2 years ago

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Heidi's hair was 2/3 of a meter long. her grandfather cut off 1/6 of a meter of her hair. how long is heidi's hair now?

Fittoniya [83]

The answer to this is 1/2 of a meter long.

3 0

3 years ago

Plz help Simplify 6(x + 4)

saw5 [17]

Final Answer: $6x + 24$

Steps/Reasons:

Question: Simplify $6(x + 4)$

Step 1: Expand by distributing the terms.

$6x+ 6$ × $4$

Step 2: Simplify $6$ × $4$ to $24$ .

$6x + 24$

~I hope I helped you :)~

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2 years ago

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If f(x) = 2x2 - x, find f(-3).

jonny [76]

F(x) = 2x^2 - x
if x=-3

f(-3) = (2*(-3)^2) - (-3)
f(-3) = (2*9) + 3
f(-3) = 18 + 3
f(-3) = 21

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2 years ago

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