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avanturin [10]
3 years ago
8

Select the correct answer.

Mathematics
1 answer:
asambeis [7]3 years ago
3 0

Answer:

y=3x+4

Step-by-step explanation:

The equation of the straight line that passes through (-3,-5) with slope 3 can be found using

y = mx + b

where m=3 is the slope .

We substitute the slope to get:

y = 3x + b

We substitute the point to find b.

- 5 = 3( - 3) + b \\  - 5 =  - 9 + b \\ b =  - 5 + 9 = 4

The equation of the straight line is:

y = 3x + 4

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Multiply the trinomial x^2+xy+y^2 times the binomial x-y and simplify.
Natalija [7]
Multiply then simplify, that's doing the same work twice...anyway

x^3+x^2y+xy^2-x^2y-xy^2-y^3

x^3-y^3  which if factored is:

(x-y)(x^2+xy+y^2)  which is what you started with :)
6 0
2 years ago
Matthew wants to estimate the mean height of students attending his college. He records the heights of 100 randomly selected stu
Mnenie [13.5K]

The correct option that shows the population of the research carried out by Matthew is;

<u><em>Option D; all the students attending the college</em></u>

<u><em></em></u>

  • We are told that Matthew wants to estimate the mean height of students attending his college.

  • Now, let us say the total number of students in his college is x. If he decides to select 100 students randomly to record their height, it means this 100 students is a sample out of the total number of students which is x that is the population.

        In conclusion, we can say that the population of this research by Matthew is the total number of students that attend the college.

Read more at; brainly.com/question/6028584

6 0
2 years ago
Point C is the center of dilation. Line segment B A is dilated to create line segment B prime A prime. The length of C A is 4. T
saw5 [17]

Answer:

Step-by-step explanation:

Given

See attachment for figure

CA = 4

CA' = 16

Required

The scale factor (k)

Since point C is the center of dilation, the scale factor (k) is calculated using:

k = \frac{CA + CA'}{CA}

So, we have:

k = \frac{4+16}{4}

k = \frac{20}{4}

k = 5

8 0
2 years ago
Please help!!!!!!!!!!!!.
kotykmax [81]

Answer:

The answer is D. You divide the shape into 3 rectangles.

Step-by-step explanation:

3 0
3 years ago
Find the volume of the composite solid. Round your answer to the nearest hundredth.
Vera_Pavlovna [14]

Answer: see my work

Step-by-step explanation:

volume is lwh

volume is 3*3*10

volume is 9*10

volume is cubic cm

volume is 90

volume is 90 cubic cm

8 0
1 year ago
Read 2 more answers
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