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Oxana [17]
2 years ago
7

Which properties are used to simplify 4/5y+3(2/5x+7/5y) to 5y+6/5x

Mathematics
1 answer:
SSSSS [86.1K]2 years ago
8 0
4/5y + 3(2/5x + 7/5y)...distribute thru the parenthesis
4/5y + 6/5x + 21/5y ...combine like terms
25/5y + 6/5x.....reduce
5y + 6/5x
You might be interested in
10. Explain why log328 is between 3 and 4.
maw [93]

Answer:

See explanation.

(Before continuing reading, I took the base to be 3. Please tell me if you didn't want the base to be 3.)

Step-by-step explanation:

I assume 3 is suppose to be the base. Let's list some values that can be written as 3 to some integer.

3^0=1

3^1=3

3^2=9

3^3=27

3^4=81

3^5=243

......

I could have also did negative integer powers, but this is all I really need to convince you that log_3(28) is between 3 and 4.

log_3(28) means the value x such that 3^x=28.

Since 28 is between 27 and 81 in my list above, that means 3^x is between 3^3 and 3^4. This means that x is a value between 3 and 4.

8 0
3 years ago
What is the gradient of the graph shown?
JulijaS [17]

Answer:

1

Step-by-step explanation:

5 0
2 years ago
I need help with this question. Can you please help me. I’ll give you 18 points if it’s correct
lukranit [14]

Answer:

34.4

Step-by-step explanation:

Using Triangle Sum Theory, you see that the triangles are similar. They have the same angle measurements. That means their corresponding sides are proportional.

\frac{MN}{NO} = \frac{PQ}{QR}

\frac{14}{11} = \frac{PQ}{27}

Cross multiply

14(27) = 11(PQ)

378 = 11(PQ)

\frac{378}{11} = PQ

PQ = 34.4

7 0
3 years ago
A strawberry weighs about 1 out of ten an orange. if an orange weighs about 67 grams, about how many grams does a strawberry wei
andre [41]

Answer:

16.75 g

Step-by-step explanation:

Orange's weight = 67 g

Strawberry's weight

= ¼ of the weight of orange

= ¼ × weight of orange

= ¼ × 67 g

= 67 g/4

= 16.75 g

8 0
2 years ago
1/2x + 3/2 (x + 1) - 1/4 = 5
kompoz [17]
The answer to your problem is x= 15/8 as decimal form it’s 1.875
6 0
2 years ago
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