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3 years ago

Need help ASAP! Giving Brainliest!

Mathematics

2 answers:

Vesna [10]3 years ago

8 0

Answer:

Step-by-step explanation:

Have a nice day :)

allsm [11]3 years ago

4 0

ok thats cool ig what do you need help with

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A. Two numbers are in the ratio 5:7. When 3 is added to each number, the new ratio becomes 3 : 4. Find the numbers.

Usimov [2.4K]

Answer:

answer is 3 and ratio of two different numbers

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3 years ago

Please help me answer the question.ghvjhbikb

rjkz [21]

Answer:

240units^2

Step-by-step explanation:

The formula for area on a triangle is 1/2 x b x h, so you do 4 x 10 x 1/2, giving you 20, there are two of these triangles so you double it to 40.

Then for the rectangle below you do l x w, or 10 x 20 giving 200.

You then add it all together, 200+20+20=240 units squared.

Hope this helps!

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3 years ago

What are the solutions of 3x+9+4x+x=

mart [117]

Answer:

3x + 9 + 4x + x = 8x + 9

Step-by-step explanation:

combine like terms

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4 years ago

Here are the prices of five new skateboards, in dollars: 75, 82, 100, 120, 140.

Lynna [10]

The standard deviation<u> </u><u>INCREASES</u>

Step-by-step explanation:

Standard deviation is used to show how the points of the data deviate from the mean. The formulae for deriving standard deviation is attached. As seen from the formulae, the greater the variance of the data from the mean, the higher the Standard Deviation.

The mean of the given data points is $103.4. $450 is way off from this mean meaning that there is a large variance in this data point.

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3 years ago

Which is the area of the rectangle?

Lera25 [3.4K]

Answer:

Answer is C.

Step-by-step explanation:

If this answer helped u, pls mark as brainliest. thx!!!

8 0

3 years ago

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