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snow_lady [41]
2 years ago
11

Which is a correct first step for solving this equation? −3x+2−5x−7=4x+2

Mathematics
1 answer:
In-s [12.5K]2 years ago
3 0

Answer: x = - 7/12

Step-by-step explanation:

-3x + 2 - 5x - 7 = 4x + 2

=> -8x - 5 = 4x + 2

=> -12x = 7

=> x = - 7/12

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The sum of two numbers is 37, and one of the numbers is n. what is the other number?
ziro4ka [17]
The answer would be x + y = 37 y = x + 5 x + (x + 5) = 37 2x = 32 x = 16 y = 21Hope I helped!
7 0
3 years ago
The area of triangle ABC is 31 1/4 square centimeters. What is the measure of side b?
zhuklara [117]

Answer:

5/ sqrt2

Step-by-step explanation:

A=b.a.SinC

3 0
2 years ago
Here are the first 4 terms in the sequences
balu736 [363]

A series of numbers called an arithmetic progression or arithmetic sequence has a constant difference between the terms.

An arithmetic progression with a common difference of 2 is found, for instance, in the numbers 5, 7, 9, 11, 13, and 15. Given that each term has a common difference, this is an arithmetic sequence.

In this instance, the result is obtained by adding 6 6 to the prior term in the sequence.

What is the arithmetic progression formula?

a {n}=a {1}+(n-1) The nth term in the series is d a n.

The first term in the sequence is a 1.

d is the common distinction between the terms.

To learn more about Arithmetic progression refer to:

brainly.com/question/24191546

#SPJ13

6 0
1 year ago
The ratio of the sides of a rectangle is 2/3.
Leto [7]
The answer is 4/5
its very simple
8 0
3 years ago
Given a set of data that is skewed-left, there is at least _____ % of the data within 2 standard deviations.
Rasek [7]

Answer:

75

Step-by-step explanation:

For non-normal distributions, we use Chebyshev's Theorem.

Chebyshev Theorem

The Chebyshev Theorem states that:

At least 75% of the measures are within 2 standard deviations of the mean.

At least 89% of the measures are within 3 standard deviations of the mean.

An in general terms, the percentage of measures within k standard deviations of the mean is given by 100(1 - \frac{1}{k^{2}}).

In this question:

Within 2 standard deviations of the mean, so 75%.

7 0
3 years ago
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