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4 years ago

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Mathematics

1 answer:

Mama L [17]4 years ago

6 0

Answer:

(-3 , 0) (0, 2) (6, -6)

Step-by-step explanation:

Solving for x - intercept:

2x - 3(0) = -6

2x = -6

2x/2 = -6/2

x = -3

One point would be (-3 , 0) .

Solving for y-intercept:

2(0) - 3y = -6

-3y = -6

-3y/-3 = -6/-3

y = 2

Another point would be (0, 2).

When 'x' equals 6:

2(6) - 3y = -6

12 - 3y = -6

12 - 12 - 3y = -6 - 12

-3y = -18

-3y/3 = -18/3

y = -6

The third point would be (6, -6).

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Translations, rotations, and reflections are rigid transformations. What can you conclude about the measures of sides and angles

Alexeev081 [22]

After a translation, the measures of the sides and angles on any triangle would be the same since translation only involves changing the coordinates of the vertices of the triangle.
After a rotation, the measures of the sides and angles of a triangle would also be the same. Similar to translation, the proportion of the triangle is unchanged after a rotation.
After a reflection, the triangle's sides and angles would still be the same since reflection is a rigid transformation and that proportion of the sides and angles are not changed.

8 0

3 years ago

A new house costs $260,000.00. Sara wants to buy the house and needs $35,560.00 for a down payment. Sara currently has $28,000.0

Verdich [7]

Answer:

she needs $7560.00 more

Step-by-step explanation:

you must subtract 35,560.00 from 28,000.00

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3 years ago

The principal at Riverside High School would like to estimate the mean length of time each day that it takes all the buses to ar

Lilit [14]

Answer:

C) 11

Step-by-step explanation:

1) Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

$\bar X$ represent the sample mean for the sample

$\mu$ population mean (variable of interest)

s represent the sample standard deviation

n represent the sample size

Since the Confidence is 0.90 or 90%, the value of $\alpha=0.1$ and $\alpha/2 =0.05$ , and we can use excel, a calculator or a table to find the critical value. The excel command would be: "=-NORM.INV(0.05,0,1)".And we see that $z_{\alpha/2}=1.64$

The margin of error is given by this formula:

$ME=z_{\alpha/2}\frac{s}{\sqrt{n}}$

And on this case we have that ME =7 and we are interested in order to find the value of n, if we solve n from the last equation we got:

$n=(\frac{z_{\alpha/2} s}{ME})^2$

And replacing the values that we got we have:

$n=(\frac{1.64(14)}{7})^2 =10.758 \approx 11$

C) 11

8 0

4 years ago

CAN SOMEONE PLEASE HELP ME WITH THIS PROBLEM

Zielflug [23.3K]

Answer:

consistent

Step-by-step explanation:

The two equations have different slopes, so they intersect at one point. That point is the solution. That makes this system of equations consistent.

4 0

4 years ago

What’s the answer to this someone please help me

V125BC [204]

Answer:

btw the mode is the biggest number there, the median is the difference of the smallest and biggest, range is the smallest number, and mean is the number of numbers

Step-by-step explanation:

hope it helps

4 0

3 years ago