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ELEN [110]
3 years ago
14

Write an equation in slope intercept form that passes through the points (-2,-6) and (4,-15).

Mathematics
1 answer:
Vesnalui [34]3 years ago
7 0
Equation of the line:

y = -1.5x – 9

or
y =
- 3 x
2
– -9
When x=0, y = -9
When y=0, x = -6



Mark brainliest please



Hope this helps you
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1. Using the diagram below, answer the following question. Arthur is at the coordinate A(20,35), Cameron is at the coordinate C(
statuscvo [17]

Answer:

(42.5, 37.5)

Step-by-step explanation:

Given:

Arthur = A(20, 35)

Cameron = C(65, 40)

Jamie = J(45, 20)

Required:

Coordinate of the midpoint of the distance between A and C.

SOLUTION:

Midpoint (M) of AC, is given as:

M(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2})

Let A(20, 35) = (x_1, y_1)

C(65, 40) = (x_2, y_2)

Plug the values into the given formula:

M(\frac{20 + 65}{2}, \frac{35 + 40}{2})

M(\frac{85}{2}, \frac{75}{2})

M(42.5, 37.5)

Coordinate Jamie should run towards is (42.5, 37.5)

8 0
3 years ago
A standard I.Q. test produces normally distributed results with a mean of 104 and a standard deviation of 16 for 52,000 students
LUCKY_DIMON [66]

Answer:

maybe 250

Step-by-step explanation:

7 0
3 years ago
Assume that 200 babies are born to 200 couples treated with the XSORT method of gender selection that is claimed to make girls m
JulsSmile [24]

Answer:

a) test statistic = 2.12

b) p-value = 0.017

c) we reject the Null hypothesis

Step-by-step explanation:

Given data :

N = 200

girls (x) = 115 , Boys = 85

p = x / n = 115 / 200 = 0.575

significance level ( ∝ ) = 0.1

<em>aim : test whether the proportion of girls births after the treatment is greater than 50% that occurs without any treatment </em>.

<u>A) Determine the test statistic </u>

H0 : p = 0.5

Ha : p > 0.5

to determine the test statistic we will apply the z distribution at ( ∝ ) = 0.1

Z - test statistic = ( 0.575 - 0.5)  / \sqrt{0.5*0.5 / 200}  = 2.12

<u>b) determine the p-value</u>

The P-value can be determined using the normal standard table

P-value = 1 - p(Z< 2.12 )  =  1 - 0.9830 = 0.017

c) Given that the p value ( 0.017 ) < significance level ( 0.1 )

we will reject the H0 because there is evidence showing that proportion of girls birth is > 50%

3 0
3 years ago
What's the new equation ?
Bas_tet [7]
H(x)=4(x-7)^2-16-3=4(x-7)^2-19\Rightarrow C
7 0
3 years ago
Read 2 more answers
Find 93 • 87 using mental math.
bagirrra123 [75]
Okay so start with multiplying 93 * 7

So 3 x 7= 21

9 X 7 +63, carry the 2 = 651


Then 8 x 93
Remember that first is a zero.
8 X 3= 24
8 X 9= 72, carry the 2= 74
So that is 7440
Now
  0651
+7440
  8091
And that's the answer
7 0
3 years ago
Read 2 more answers
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