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Phoenix [80]
3 years ago
9

Please help me as soon as possible if you don't know the right answer then don't answer this question

Mathematics
1 answer:
iogann1982 [59]3 years ago
4 0
Itt is the first one, i cant really explain why you will just need to trust me
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A line has a slope of −5 and contains the point (−2, 4).
viva [34]
Plug them into point-slope form.

y - y1 = m(x - x1)

Where y1 is the y-value of the point, x1 is the x-value, and 'm' is the slope.

Plug in what we know:

y - 4 = -5(x + 2)

So one of our answers is C.

Now distribute -5 into the parenthesis:

y - 4 = -5x - 10

Add 4 to both sides:

y = -5x - 6

Add 5x to both sides:

5x + y = -6

So the other answer is B.
5 0
3 years ago
Can someone help me with this please?
77julia77 [94]

Answer:

4n^{2} = 4(5)^{2} = 100

(p = 8 and r = \frac{1}{6} are given for confusions. We don't need it.)

6 0
3 years ago
What is the length of BC?
MrRissso [65]

If Two Angles in a Triangle are Equal, Then Sides Corresponding to those Angles are also Equal

From the Figure, We can Notice that ∠C = ∠B

⇒ Length of AC = Length of AB

⇒ 2x - 24 = x - 2

⇒ x = 24 - 2

⇒ x = 22

3 0
4 years ago
Which statement best justifies whether (x – 3) is a factor of the polynomial p(x) = x - 3x? - 2x - 6?
Alinara [238K]

Answer:

It is not a factor

Step-by-step explanation:

It is because p(x)=-12 at x=3

6 0
3 years ago
Eleanor scores 680 on the mathematics part of the SAT. The distribution of SAT math scores in recent years has been Normal with
Katen [24]

Answer:

  1. Elanor's standardized score is  1.19
  2. Gerald's standardized score is 0.72
  3. Elanor has higher score

Step-by-step explanation:

To compare Elanor's and Gerald's math scores, we need to standardize them and calculate their z-scores.

z score can be calculated using the formula

z=\frac{X-M}{s} where

  • X is the student's score
  • M is the mean score of the exam
  • s is the standard deviation of the exam

Elanor's standardized score is:

z(e) = \frac{680-554}{106} ≈ 1.19

Gerald's standardized score is:

z(g)= \frac{27-24.7}{3.2} ≈ 0.72

Since z(e) > z(g), Elanor has higher score

6 0
3 years ago
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