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3 years ago

5x + 3y = -4 y - 2x = 6 ([?], [ ]

Mathematics

1 answer:

Elanso [62]3 years ago

3 0

Answer:

put 25 first box second box put {{08-2 but make sure he does it when she do that {{

Step-by-step explanation:

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Which polynomial is equivalent to (-2n+5)^2

Naddika [18.5K]

Answer:

4n^2-20n+25

Step-by-step explanation:

(-2n+5)^2

=4n^2-20n+25

3 0

3 years ago

Two candidates ran for class president. The candidate that won received 80% of the 230 total votes. How many votes did the

erastova [34]

Answer:

The winning candidate received 184 votes.

Step-by-step explanation:

$\frac{80 x 230}{100}$ = 184

5 0

4 years ago

Write the standard form equation of the line through the given points. through (0.-4) and (-3,-2)

Alexxx [7]

Answer:

The standard form of equation of the line through the given points. through (0.-4) and (-3,-2) is $\frac{2}{3}x+y=-4$

Step-by-step explanation:

The standard form of equation is $Ax+By=C$

Finding slope

Using the given points (0,-4) and (-3,-2) we can find slope using formula: $Slope=\frac{y_2-y_1}{x_2-x_1}$

$Slope=\frac{-2-(-4)}{-3-(0)}\\Slope=\frac{-2+4}{-3} \\Slope=-\frac{2}{3}$

Finding y-intercept

Using point (0,4) and Slope=-2/3 we can find y-intercept

$y=mx+b\\-4=-\frac{2}{3}(0)+b\\-4=0+b\\b=-4$

The slope intercept form of the line through the given points. through (0.-4) and (-3,-2) having slope =-2/3 and b=-4 will be:

$y=mx+b\\y=-\frac{2}{3}x-4$

Now, standard form of equation will be: $\frac{2}{3}x+y=-4$

So, The standard form of equation of the line through the given points. through (0.-4) and (-3,-2) is $\frac{2}{3}x+y=-4$

4 0

3 years ago

What conditions must be met to use z procedures in a significance test about a population proportion? (4 points) The population

IgorC [24]

The conditions which must be met to use z procedures in a significance test about a population proportion include:

I. The population is greater than 10 times the sample size.

II. The probability of success multiplied by the sample size is greater than or equal to 10.

III. The probability of failure multiplied by the sample size is greater than or equal to 10.

<h3>What is Z procedure?</h3>

This is a statistical test done on data that follows a normal distribution and determines if the population means are different when the variances are known and the sample size is large.

The population must be greater than 10 times the sample size in this scenario with the other appropriate conditions being mentioned above.

Read more about Z-Test here brainly.com/question/17144617

#SPJ1

7 0

2 years ago

. A frequency distribution helps determine ________. A) the extent of nonresponse B) the extent of illegitimate responses C) the

kow [346]

Answer:

<h3>Options A) the extent of non-response and B) the extent of illegitimate responses are correct</h3><h3>A frequency distribution helps determine <u>the extent of non-response and also the extent of illegitimate responses</u></h3>

Step-by-step explanation:

A frequency distribution helps determine <u>the extent of non-response and also the extent of illegitimate responses </u>

A frequency distribution helps determine the extent of item non-response.
It also indicates the extent of illegitimate responses.
Values of 0 and 8 would be illegitimate responses, or errors.

<h3>Hence Options A) the extent of non-response and B) the extent of illegitimate responses are correct</h3>

7 0

3 years ago