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azamat
3 years ago
9

How many solutions does 0.75(x+40)=0.35(x+20)+0.35(x+20) have?

Mathematics
2 answers:
aev [14]3 years ago
5 0

0.75(x + 40) = 0.35(x + 20) + 0.35(x + 20)

is the answer d

Neporo4naja [7]3 years ago
4 0
Only one because there is one variable and the combined coefficients of x are non-zero.
(0.75(x+40)=0.70(x+20), 0.05x=14-30=-16, x=-320)
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What is the similarity ratio of PQR to VXM?
Nastasia [14]

Answer:

3

Step-by-step explanation:

The correct answer is:

3

Explanation

review

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Simplify your answer and write it as a proper fraction, improper fraction, or whole number.

If two triangles are similar, their similarity ratio is the ratio between a side length in the first triangle and the corresponding side length in the second triangle.

solve

Look at the triangles.

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4 0
2 years ago
Select the correct answer.
zysi [14]

Answer:

A.  -5x = -23

Step-by-step explanation:

First you have to simplify the equation - 4(x - 5) + 8x = 9x - 3

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8 0
2 years ago
What is 0.644 in expanded form
Brrunno [24]
I hope this helps you


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4 0
3 years ago
Can u answer this mathematics question and show your work
Mnenie [13.5K]

See this solution/explanation (answer is '7 meters'):

1. According to the condition 'y' means the height, and 'x' - the length from the start of the lift hill.

2. The phrase 'height of 343 meters' means y=343.

3. From the another side y=x³. If to substitute 343 instead of 'y': 343=x³, - it is possible to find the value of 'x'.

x=<u>7 [m]</u> - how far from the start of the lift hill...

5 0
3 years ago
-6x^3-y^2-3 ×=2 y=4 what is value
harkovskaia [24]

- 67

substitute the given values for x and y into the expression and evaluate

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5 0
3 years ago
Read 2 more answers
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