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artcher [175]
3 years ago
13

Use the distributive property –4(a + 3)

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
4 0

Answer:

-4a - 12

Step-by-step explanation:

-4(a+3)

-4(a) + -4(3)

-4a + -12

-4a - 12

You might be interested in
Bill and his dad are building a deck on the back of their house. The scale on the building plan is 1 in. = 4 ft. If the length o
choli [55]

Answer:

14 feet

Step-by-step explanation:

4 x 3 = 12ft

4 / 2

2

2 + 12

answer is 14 ft

8 0
2 years ago
A study is conducted to determine whether a new cancer drug increases the mean survival time by at least 30 days for a certain t
anygoal [31]

Answer:

H0: The new cancer drug increases the mean survival time by 30 days

Ha: The new cancer drug increases the mean survival time by 30 or more than 30 days.

If fail to reject H0 (the null hypothesis), the conclusion is that the new cancer drug increases the mean survival time by 30 days.

Step-by-step explanation:

The null hypothesis is a statement from a population parameter which is either rejected or accepted (fail to reject) upon testing. It is expressed using the equality sign.

The alternate hypothesis is also a statement from a population parameter which negates the null hypothesis and is accepted if the null hypothesis is rejected. It is expressed using any of the inequality signs.

The test is a two-tailed test because the alternate hypothesis is expressed using more than or equal to.

If I fail to reject H0, it means the test statistic falls within the region bounded by the critical values.

It would therefore be concluded that the new cancer drug increases the mean survival time by 30 days.

8 0
3 years ago
An ordered pair of real numbers can be represented in a plane called the rectangular coordinate system or the ___________ plane
Ghella [55]
Coordinate plane is the answer
5 0
3 years ago
Answerr for money!!!
cestrela7 [59]

Answer:

Line s and Line t are parallel.

Step-by-step explanation:

Now, we know that angles 1 and 2 are congruent, because they have the same angle measures. Now, looking at their positions, we can see that they are alternate exterior angles.

By the converse of the Alternate Exterior Angle, (I do not remember exactly how the theorem went) if two lines are cut by a transversal and have congruent alternate exterior angles, then the lines are parallel. Using this theorem, we can find that lines s and t are parallel, because they are cut by a transversal and their alternate exterior angles are congruent.

I hope you find my answer and explanation to be helpful. Happy studying.

5 0
3 years ago
Can someone help me with this?
tatiyna
Yes because PROPORTIONAL means the lines start on the axis which is the zero and it also has to be in a even line so yes it is proportional
6 0
4 years ago
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