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3 years ago

The ratio of boys to girls in homeroom is 2:3 if there are 8 boys how many girls are there?

1 answer:

8 0

2:3
1) multiply the first number (boys) by 4 to get 8

8:3

2) multiply second number by 4 as well

8:12

Answer: 12 girls

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An arithmetic series contains 20 numbers. The first number is 102. The last number is 159. Which expression represents the sum o

Whitepunk [10]

Answer:

Option B

Step-by-step explanation:

we know that

The sum of an arithmetic series is equal to

S=n(a1+an)/2

where

a1 is the first term

an is the last term

n is the number of terms

In this problem we have

n=20

a1=102

an=159

substitute the values in the formula

S=20(102+159)/2

3 0

3 years ago

Evaluate the limit, if it exists. (if an answer does not exist, enter dne.) lim h → 0 (−6 + h)2 − 36 h

Lyrx [107]

The limit can be found by simplifying the expression.
$\lim\limits_{h\rightarrow 0}\left(\dfrac{(-6+h)^{2}-36}{h}\right)=\lim\limits_{h\rightarrow 0}\left(\dfrac{-12h+h^{2}}{h}\right)\\\\=\lim\limits_{h\rightarrow 0}(-12+h)\\\\=-12$

The limit is -12.

3 0

3 years ago

Read 2 more answers

The following numbers show the cost of renting a full-size rental car, based on the number of miles driven. (0 miles=$68.97), (5

lora16 [44]

It to long i give up sorry bro

5 0

3 years ago

1/6m=5/8<br> i can't slove this question<br> 8th Grade Math

murzikaleks [220]

we are given

$\frac{1}{6} m=\frac{5}{8}$

Since, we have to solve for m

so, we will try to isolate m on anyone side

so, firstly , we will get rid of 1/6

so, we can multiply both sides by 6

$6*\frac{1}{6} m=6*\frac{5}{8}$

$m=6*\frac{5}{8}$

now, we can simplify right side

$m=3*\frac{5}{4}$

now, we can multiply them

and we get

$m=\frac{15}{4}$ ...........Answer

4 0

3 years ago

Read 2 more answers

PLEASE HELP

alina1380 [7]

When the dice is rolled 14 times then from the given data the probability of 1,2,3,4,5,6 is 3/14,1/14,4/14,1/14,3/14,2,14.

Given Roll of dice and outcomes from 1 to 14 is 1,3,5,4,5,3,3,1,3,5,6,1,6,2.

From the given collected data we can find out number of times each number came when the dice is rolled.

Number of times 1 came=3

Number of times 2 came=1

Number of times 3 came=4

Number of times 4 came=1

Number of times 5 came=3

Number of times 6 came=2

The probabilities are in fraction form:

P(1)=3/14

P(2)=1/14

P(3)=4/14

P(4)=1/14

P(5)=3/14

P(6)=2/14

The probabilities in decimal form:

P(1)=0.21

P(2)=0.07

P(3)=0.28

P(4)=0.07

P(5)=0.21

P(6)=0.14

The probabilities in percentage:

P(1)=21%

P(2)=7%

P(3)=28%

P(4)=7%

P(5)=21%

P(6)=14%

Hence the probabilities are 3/14,1/14,4/14,1/14,3/14,2,14.

Learn more about probabilities here brainly.com/question/24756209

#SPJ10

5 0

2 years ago