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Semmy [17]
2 years ago
7

A certain brand of crackers costs $2.89 for 12.4 ounces.

Mathematics
1 answer:
Mashcka [7]2 years ago
4 0

Answer:

the unit rate is $0.23 per ounce.

Explain:

to fine the unit rate, you have to take the price and divide it by the weight, or whatever the other thing is.

so you would take 2.89 divided by 12.4. after dividing, you would get 0.2

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Homework (5)
adelina 88 [10]

Answer:

28

Step-by-step explanation:

Let's set the ratio as

7x : 9x

If you add all the states that border an ocean and do not, you will get 48 states (because Alaska and Hawaii are not part of the continental US, as they do not touch the "main" part of the country)

So, we can write this equation.

7x + 9x = 48

Simplify.

16x = 48

Divide both sides by 16.

x = 4

Now, find how many states border an ocean. In our ratio, the number of states that border an ocean was 7x. Substitute x = 4 into 7x

7 * x = 7 * 4 = 28

The number of states that border an ocean is 28.

I hope this helps! Feel free to ask any questions!

7 0
3 years ago
Mr. Munoz gave his students the following expression to simplify as their exit ticket for class one day.
KatRina [158]

Answer:

d

Step-by-step explanation:

4 0
2 years ago
7 What is the value of the expression -3x^2 y +4x when x = -4 and y = 2
love history [14]
<span> -3x^2 y +4x 
</span><span> =-3(-4)^2 (2) + 4(-4)
=-96-16
=-112</span>
7 0
3 years ago
Factor out the greatest common factor 30c-45d
olga nikolaevna [1]
Simplifying
30c + -45d

Factor out the Greatest Common Factor (GCF), '15'.
15(2c + -3d)

Final result:
15(2c + -3d)
7 0
3 years ago
Read 2 more answers
Can someone help me with these? WILL GIVE BRAINLIEST
Ganezh [65]

Answer:

1) no; 202 + 212 ≠ 282

2) yes; 142 + 482 = 502

3) 2

4)18.0

6 0
3 years ago
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