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3 years ago

.9 is 1/10 of .09 true or false

Mathematics

1 answer:

vodomira [7]3 years ago

5 0

Answer:

False.

Step-by-step explanation:

.9 is not 1/10 of .09

.09 is 1/10 of .9

.9 is 10 times .09

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Can someone please help me with this because I don’t get it

yulyashka [42]

Answer:

161

Step-by-step explanation:

the sum of the two interior angles equals that exterior angle

121+40=161

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3 years ago

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The ratio of the number of Miki's stickers to the number of Ken's

Lera25 [3.4K]

Answer:

Miki had 288 stickers and Ken had 252 stickers.

Step-by-step explanation:

This question is solved using a system of equations.

I am going to say that:

Miki has x stickers.

Ken has y stickers.

The ratio of the number of Miki's stickers to the number of Ken's stickers was 8:7.

This means that $\frac{x}{y} = \frac{8}{7}$ , that is: $7x = 8y$ , or $x = \frac{8y}{7}$

After Miki gave Ken 18 of her stickers, they had the same number of stickers.

This means that:

$x - 18 = y + 18$

$x - y = 36$

Since $x = \frac{8y}{7}$

$\frac{8y}{7} - y = 36$

$\frac{8y}{7} - \frac{7y}{7} = 36$

$\frac{y}{7} = 36$

$y = 36*7 = 252$

And

$x - y = 36$

$x = 36 + y = 36 + 252 = 288$

Miki had 288 stickers and Ken had 252 stickers.

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3 years ago

I need help with these two

svetlana [45]

The first one is A and the second one is C

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3 years ago

Which of the following is a composite number? A)47 B)91 C)101 D)131

Varvara68 [4.7K]

91 = 7*13 is a composite number. It has factors other than itself and 1.

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3 years ago

Student to faculty is 17:3 The total is 740 how many students and faculty are at the college

inn [45]

Let the faculties be X and the number of students be Y.
X/Y = 17/3
3X= 17Y
X=17Y/3
Let that be equation 1
We also know that X+Y = 740. Let it be equation 2
Substitute equation 1 in equation 2
(17Y/3)+Y= 740
20Y/3 = 740
Y=111
Since the total is 740, then X equal 740-111 =629.
The number of faculties is 111 and the number of students is 629.

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3 years ago

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