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tester [92]
3 years ago
11

Help???????? Thanks !!! And by the way be careful about the links that people are commenting because they find information about

you so whatever you do, do NOT press the link. Thank you like again and take you’re time <3 have a good day!
(They also trick you into saying the answer is in the link below, so if they ever do that immediately report it and NEVER press these links)

Mathematics
1 answer:
o-na [289]3 years ago
8 0

Answer:

Step-by-step explanation:

Following PEMDAS:

First, simplify the exponent and the equation in the paranthases:

2^2+(10-5)+1

(2*2)+(10-5)+1

4+(10-5)+1

4+5+1

Then, Solve:

4+5+1

10

10 is your answer

Hope this helps!

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The table shows a proportional relationship between the mass, in kilograms
OlgaM077 [116]

Answer:

C) Dog: 40 kg, Medicine: 1.6 mL

D) Dog: 35 kg, Medicine: 1.4 mL

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form k=\frac{y}{x} or y=kx

Let

x --->  the mass, in kilograms of a dog

y ---> milliliters of flea medicine a veterinarian prescribes

<u><em>Find the value of the constant of proportionality k for the given data</em></u>

k=\frac{y}{x}

For x=50 kg, y=2 mL ----> k=\frac{2}{50}=0.04\ mL/kg

For x=10 kg, y=0.4 mL ----> k=\frac{0.4}{10}=0.04\ mL/kg

For x=5 kg, y=0.2 mL ----> k=\frac{0.2}{5}=0.04\ mL/kg

so

The linear direct equation is equal to

y=0.04x

<u><em>Verify each choice</em></u>

A) Dog: 15 kg, Medicine: 0.9 mL

Divide the milliliters of medicine by the kilograms of the dog and compare the result with the constant of proportionality

\frac{0.9}{15}= 0.06\ mL/kg

so

0.06 \neq 0.04

therefore

These numbers could not be used as the missing values in the table

B) Dog: 25 kg, Medicine: 0.8 mL

Divide the milliliters of medicine by the kilograms of the dog and compare the result with the constant of proportionality

\frac{0.8}{25}= 0.032\ mL/kg

so

0.032 \neq 0.04

therefore

These numbers could not be used as the missing values in the table

C) Dog: 40 kg, Medicine: 1.6 mL

Divide the milliliters of medicine by the kilograms of the dog and compare the result with the constant of proportionality

\frac{1.6}{40}= 0.04\ mL/kg

so

0.04 = 0.04

therefore

These numbers could  be used as the missing values in the table

D) Dog: 35 kg, Medicine: 1.4 mL

Divide the milliliters of medicine by the kilograms of the dog and compare the result with the constant of proportionality

\frac{1.4}{35}= 0.04\ mL/kg

so

0.04 \neq 0.04

therefore

These numbers could be used as the missing values in the table

E) Dog: 20 kg, Medicine: 1.2 mL

Divide the milliliters of medicine by the kilograms of the dog and compare the result with the constant of proportionality

\frac{1.2}{20}= 0.06\ mL/kg

so

0.06 \neq 0.04

therefore

These numbers could not be used as the missing values in the table

5 0
3 years ago
True or False: A triangle can be constructed using segments that have a length of 8 ft, 20 ft, and 13 ft.
STatiana [176]

Answer:

False

Step-by-step  

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Hoped I helped. Comment if I am right or not just let me know in the comments.

7 0
2 years ago
y is equal to 12 times the difference between a number and 4. Which of the following equations models this situation?
adell [148]

n - a number

"×" times

"-" difference

y = 12 × (n - 4) → y = 12(n - 4)

4 0
3 years ago
Find the slope <br>How can I find the slope ​
kumpel [21]

Answer:

You should use the y2 - y1 /x2 - x1

To find the answer you should be able to plug in the x and the y in the equation with the coordinates that you have but I'm not sure if you don't have what you'll do

4 0
2 years ago
Read 2 more answers
Translate in algebraic "three less than the product of 2 and y"
Nataliya [291]
I believe that the answer is:
-1<2+y
I got -1 because if you do 2-3 you will get -1
And if not I am sorry.
:)
8 0
3 years ago
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