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3 years ago

The ratio of dogs to cats at a pet store is 2 to 3. Which of these she's the possible numbers of dogs and cats in the pet store?

Mathematics

2 answers:

lubasha [3.4K]3 years ago

5 0

I do believe B is the correct answer

nikklg [1K]3 years ago

5 0

Answer:

Step-by-step explanation:

2 14

--- = ----

3 21

14/2= 7

21/3=7

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Use identities to find the values of the sine and cosine functions for the following angle measure.

puteri [66]

Using the cosine double angle formula,

$\cos 2\theta=2\cos^2 \theta-1=\frac{12}{13}\\\\2\cos^{2} \theta=\frac{25}{13}\\\\\cos^{2} \theta=\frac{25}{26}\\\\\boxed{\cos \theta=\frac{5}{\sqrt{26}}}$

(Note I took the positive case since $\theta$ terminates in the first quadrant)

Using the Pythagorean identity,

$\sin^2 \theta+\cos^2 \theta=1\\\\\sin^2 \theta+\frac{25}{26}=1\\\\sin^2 \theta=\frac{1}{26}\\\\\boxed{\sin \theta=\frac{1}{\sqrt{26}}}$

(Note I took the positive case since $\theta$ terminates in the first quadrant)

6 0

1 year ago

The expression 10a+6c gives the cost (in dollars) for a adults and c children to eat at a buffet restaurant. A. The cost for 1 a

Liono4ka [1.6K]

Answer: The total cost is $\$62$ assuming the cost for 1 adult is $\$5$ and the cost for 1 child is $\$2$

Step-by-step explanation:

Assuming the cost for 1 adult is $\$5$ and the cost for 1 child is $\$2$ :

$a=\$5$ and $c=\$2$

Then the expression that gives the total cost $10 a+6c$ is solved as:

$10(\$5)+6(\$2)=\$62$

4 0

3 years ago

Help with number b please

kakasveta [241]

Add them together to get the answer?

5 0

3 years ago

Can you explain what a stem and leaf plot is?

TiliK225 [7]

Answer:

A stem and leaf plot, or stem plot, is a technique used to classify either discrete or continuous variables. A stem and leaf plot is used to organize data as they are collected. ... Each number in the data is broken down into a stem and a leaf, thus the name. The stem of the number includes all but the last digit

hope it helped!

7 0

3 years ago

What is the area if the scale factor is 5:1 and the length and width are 50 and 36?

Semmy [17]

Answer:

1800

Step-by-step explanation:

l×w equals area, so 50×36= 1800 or area

l=length

w=with

5 0

3 years ago