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Ivanshal [37]
3 years ago
7

What is the slope of the line containing the points (-3,8) and (1,-4)

Mathematics
2 answers:
aksik [14]3 years ago
8 0

Answer:

-3

Hope This Helps!

Step-by-step explanation:

Y2-Y1/X2-X1

-4-8/1-(-3)

-12/4

-3/1

-3

arlik [135]3 years ago
5 0

Answer:

slope = - 3

Step-by-step explanation:

Calculate the slope m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 3, 8) and (x₂, y₂ ) = (1, - 4)

m = \frac{-4-8}{1+3} = \frac{-12}{4} = - 3

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What is the value of this expression?<br><br> ​ 1.5(−2.4+(−5.3))
Ahat [919]

Answer:

-11.55

Step-by-step explanation:

(to get the numbers out of the brackets you have to multiply all the numbers in the brackets to the number that is there, and in this case its 1.5)

1.5x(-2.4)= -3.6

1.5×(-5.3)= -7.95

after that, you add them (because there is a plus sign, not a minus, multiplication sign or a division sign.)

-7.95+ -3.6= -11.55

answer= -11.55

7 0
3 years ago
Can you help me find the slope for #2
Flauer [41]
-3 
because it goes left 1 up3
3/-1 = -3 as the slope
8 0
3 years ago
Read 2 more answers
julia, keller and israel all made 219.75 dollars in total. keller made 37.50 and israel made 12 less than keller. what did each
krek1111 [17]
Keller=37.50
Israel=25.50
Julia=194.25
8 0
3 years ago
How do you solve this?
Law Incorporation [45]
Find the soluiton

2x+2y=16
3x-y=4

x+y=8
<u>3x-y=4+</u>
4x=12
x=3
3(3)-y=4
9-y=4
y=5
(3,5)
test them to see if get true statment
obviously the first equatons of 1,2,4 work
1 doesn't work
2, works
4. doesn't work

2 is the same as the first except both euations are just doubled

answer is 2
6 0
3 years ago
Find BC please in the picture
tatiyna

B. 25 Km. The measure of BC is 25 km.

The easiest way to solve this problem is using the cosine theorem c = √a²+b²-2ab*cos A.

BC = √AC²+AB²-2(AC)(AB)*cos A

BC = √(21km)²+(14km)²-2(21km)(14km)*cos 89°

BC = √441km²+196km²-588km²*(0.017)

BC =√637km²-10.26km²

BC = √636.74km²

BC = 25.03km ≅ 25

7 0
3 years ago
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