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Kamila [148]
3 years ago
11

Please help with these? thank you

Mathematics
1 answer:
Burka [1]3 years ago
5 0
The answer is the second one; 15y^2–11y
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3 1/3x-5.3= -2 solve for x
sweet [91]

Answer:

x = -3.1832

Step-by-step explanation:

3 1/3x-5.3=-2

3.33x-5.3=-2 Change fraction into decimal

5.3*-2= -10.6 rearrange

3.33x=-10.6 rearrange

10.6/3.33 = -3.1832 divide

8 0
3 years ago
Which ratio is greater? 4:3 or 7:9. (Show necessary steps and calculations for your answer)
scoundrel [369]

Answer:

4 : 3 > 7 : 9

Step-by-step explanation:

In order to compare two ratios or fractions, we make their denominators equal and then equate their numerators.

4 : 3 =  \frac{4}{3}  =  \frac{4 \times 3}{3 \times 3}  =  \frac{12}{9}  \\  \\ 7 : 9 =  \frac{7}{9} \\  \\  \because \: 12 > 7 \\  \\  \therefore \:  \frac{4}{3} > \frac{7}{9} \\  \\  \implies \: 4 : 3  > 7 : 9

8 0
3 years ago
Read 2 more answers
Can someone plz help me with this math problem.
Anettt [7]
I dont know if this is what your looking for but i think it is

3 0
3 years ago
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A bakery uses ounces of icing for every of a cake. What is the unit rate in ounces of icing per cake?
mr_godi [17]

Answer:

<u>The unit rate in ounces of icing per cake is 40 4/5 or 204/5</u>

Complete statement and question:

A bakery uses 10 1/5 ounces of icing for every 1/4 of a cake. What is the unit rate in ounces of icing per cake

Source: A previous question found at brainly

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Size of icing for every 1/4 of a cake = 10 1/5 ounces or 51/5 ounces

2. What is the unit rate in ounces of icing per cake?

For answering the question, we will use the Rule of Three Simple, this way:

Unit rate in ounces of icing per cake * 1/4 of a cake = Total cake * Unit rate in ounces of icing per 1/4 of a cake

Replacing with the real values, we have:

Unit rate in ounces of icing per cake * 1/4 = 1 * 51/5

Unit rate in ounces of icing per cake = 51/5 / 1/4

Unit rate in ounces of icing per cake = 51/5 * 4/1

Unit rate in ounces of icing per cake = 204/5 ounces or 40 4/5 ounces

<u>The unit rate in ounces of icing per cake is 40 4/5 or 204/5</u>

7 0
3 years ago
It is known that 4 <br> PLS HELP
sergejj [24]

Answer:

what's the question??

Step-by-step explanation:

4 0
4 years ago
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