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3 years ago

13

What are prime factors of 100

1 answer:

Reil [10]3 years ago

6 0

2x2x5x5 or 2^2*5^5 hope this helps!

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Read the following statement: Line segment CD is congruent to line segment XY.

qaws [65]

Answer:

B. $CD$ ≅ $XY$

Step-by-step explanation:

4 0

3 years ago

Factor each:<br> x^8-13x^4+36=0

Hoochie [10]

Answer:

Step-by-step explanation:

a = x^4

a^2 - 13a +36 = 0

(a-4)*(a-9)=0

a = 4, a = 9

so

x^4 = 4, x^4 = 9

x = + or - 4th root of 9 and 4

6 0

3 years ago

Keith's height and his nephews height was at a ratio of 15:7 then, keith's Height increased by 16% and his nephews height double

Vikentia [17]

Answer:

311.6 cm

Step-by-step explanation:

To solve this problem, let's call:

k = Keith's height

n = nephew's height

Since the ratio is 15:7, we have

$\frac{k}{n}=\frac{15}{7}\\k=\frac{15}{7}n$ (1)

Then, Keith's height is increased by 16%, so the new height of Keith is

$k'=k+0.16 = 1.16k$ (2)

While the nephew's height is doubled:

$n'=2n$ (3)

We also know that Keith is now 34 cm taller than his nephew, so

$k'=n'+34$ (4)

Substituting (2) and (3) into (4), we get

$1.16k=2n+34$

And substituting (1),

$1.16\cdot \frac{15}{7}n=2n+34$

Solving for n,

$2.49n=2n+34\\\\0.49n=34\\n=\frac{34}{0.49}=69.4$

So the current height of the nephew is:

$n'=2n=2(69.4)=138.8 cm$

While Keith's current height is

$k'=138.8+34=172.8 cm$

So their total current height is

$k'+n'=172.8+138.8=311.6 cm$

8 0

4 years ago

Calcule (1/2)-² POR FAVOR RESPONDEM

dolphi86 [110]

Answer:

I think it's 1/4 or .25

4 0

3 years ago

Negative 91 is less than or equal to 10 times a number minus 1

Akimi4 [234]

Answer:

-91 <= 10 x n - 1

Step-by-step explanation:

7 0

4 years ago