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2 years ago

Which number is a solution of the inequality x less-than negative 4? Use the number line to help answer the question.

Mathematics

2 answers:

suter [353]2 years ago

7 0

Answer:

Step-by-step explanation:

Nookie1986 [14]2 years ago

3 0

Is it -3 because it would be a negative number that is less than positive one

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The Parker family drove a total of 180 miles on their road trip. This distance is 1.5 times the distance they drove on the first

raketka [301]

Answer:

The Parker family drove 120 miles on the first day

Step-by-step explanation:

180m divided by 1.5 is 120m. You can double check this by multiplying 1.5 time 120 , and the answer you would get would be 180.

4 0

2 years ago

There are 10 students in class and the number of siblings in their families are given by {1,1,1,1,2,3,3,4,4,4}. Consider the exp

Svetllana [295]

Answer:

a. Check the attached image

b. The Pr(Y > 2) = ½

c. The mean is 2.4

d. The standard deviation is: 2.72

e. The exact value is 1 because it is certain from the given data that any probability will fall within that range.

Step-by-step explanation:

a. An image showing the step by step solution is attached.

b. P(Y > 2) = P(3) + P(4)

= 2/10 + 3/10 = 5/10 = ½

c. The mean is 2.4

d. The standard deviation is: 2.72

e. Check the attached image for the steps.

7 0

2 years ago

Find the x-intercept for 11x - 33y = 99

photoshop1234 [79]

The answer is twelve and you can thank me later

6 0

2 years ago

under a dilation, the point (2,6) is moved to (6,18) what is the scale factor of the dilation? enter your answer in the box

Anestetic [448]

Step-by-step explanation:

The equation of line passing through the two points is $\frac{y-y_{1} }{x-x_{1} }=\frac{y_{2} -y_{1}}{x_{2} -x_{1}}$

When substituted,the equation becomes $\frac{y-6}{x-2}=\frac{18-6}{6-2}$

which when simplified is $y=3\times x$

The line clearly passes through origin.

The distance between two points is $\sqrt{(y_{1}-y_{2} )^{2}+(x_{1}- x_{2} )^{2}}$

Distance between origin and $(2,6)$ is $\sqrt{40}$ .

Distance between origin and $(6,18)$ is $\sqrt{360}$

Scale factor is $\frac{distance\text{ }of\text{ }p_{2}\text{ from origin}}{distance \text{ } of \text{ } p_{1}\text{ from origin}}$

So,scale factor is $\frac{\sqrt{360} }{\sqrt{40} }$

which when simplified becomes 3.

6 0

2 years ago

Which system of equations can be used to find the roots of the equation 12x3-5x=2x2+x+6

Marizza181 [45]

Same=same figure out what the x is both x are the same number on both side is the same answer hope that helps

7 0

2 years ago

Read 2 more answers