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Yuri [45]
3 years ago
13

What is the slope of this line? 1/4 4 -4 -1/4

Mathematics
1 answer:
Burka [1]3 years ago
8 0

Answer:

1st option

Step-by-step explanation:

Take two points on the line (-4, 5) and (8,8)

slope =  \frac{8 - 5}{8 + 4}

=  \frac{3}{12}

=  \frac{1}{4}

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Need help answering this
makkiz [27]

Answer:

add the 2 equations together

Step-by-step explanation:

i was in class when I heard this so it should be correct

5 0
3 years ago
Find an equation for the nth Term of a geometric sequence where the second and fifth terms or -8 and 512, respectively
zhenek [66]

Answer:

32

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which of the following values of y makes the equation 4y squared - 7y = 15 true?
uranmaximum [27]

Answer:

C) y=3

Step-by-step explanation:

4y squared - 7y = 15

4(3) squared -7(3)=15

4(9) -7(3)=15

39-21=15

15=15

7 0
2 years ago
Simplify (1-√3)(⅓+√3) leaving your answer in the form p+q√3​
Mars2501 [29]

Answer:

\frac{-8 +2\sqrt{3} }{3}

Step-by-step explanation:

When working with surds we need to take note of the roots present there.

To expand this equation we can do it the following way noting that √3 X √3 = 3

<em></em>

<em>Expanding (1-√3)(⅓+√3)</em>

1 X 1/3 = 1/3

1 X √3 = √3

-√3 X 1/3 =-√3/3

√3 X √3 = 3

hence, expanding the equation, we have

1/3 + √3 -√3/3 + 3

We can simply group the like terms and add them up.

[1/3 +3] +[√3-√3/3]

10/3 + \frac{2\sqrt{3} }{3}

= \frac{-8 +2\sqrt{3} }{3}

8 0
3 years ago
A family has 2 cars. the first car has a fuel efficiency of 15 miles per gallon of gas and the second has a fuel efficiency of 2
lora16 [44]

Car 1: 15x

Car 2: 20y

15x+20y=1300

x+y=75

So y=75-x

15x+20(75-x)=1300

-5x+1500=1300

-5x=-200

x=40.

y=75-40

y=35

Car 1: 40 gallons

Car 2: 35 gallons


8 0
3 years ago
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