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Westkost [7]
2 years ago
5

Need answer asap due midnight today​

Mathematics
1 answer:
Pavel [41]2 years ago
4 0
Equation is x^2 + 7x
Proof is by setting that equal to 144, then subtracting it to move it to the other side
Simplified to (x-9) (x+16)
Answers are 9 and -16
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You might need: Calculator Problem Zane is a dangerous fellow who likes to go rock climbing in active volcanoes. One time while
Ksenya-84 [330]

Zane climb up in 33 seconds

44•33 = 1452 m.

so, Zane start from 1313 + 1452 = 2765 m below the edge.

to reach the edge with constant speed, Zane need 2765/44 = 62.84 seconds

we can round it to 63 seconds

7 0
2 years ago
Read 2 more answers
HELP LAST PROBLEM!
Keith_Richards [23]
Given 4 boxes of pencils cost $5,
Unknown- slope 
$1.25 per box since $5/boxes
Equation y=mx+b
Substitute $1.25/per box for m
Solve y=$1.25x  
The Check
$5=$1.25/per box(4 boxes)
$5=$5
3 0
2 years ago
Will mark BRAINLIEST!!!
svlad2 [7]

Answer:

answer choice c is correct

:)

hope that helped. <3

<em>bye now! </em>

<em>have a nice day too <3.</em><u><em> k bye</em></u>

7 0
3 years ago
Read 2 more answers
En un salon de clases cuando se colocan cuatro alumnos en cada banca, 3 de ellos quedan sin puesto y cuando se colocan de a 5 en
Harlamova29_29 [7]

Answer: 5 benches and 23 students

Step-by-step explanation:

I will answer in English.

We have E students and B benches.

If we sit 4 students per bench, we have 3 students left.

then:

E = 4*B + 3

And if we sit 5 students per bench, there are two places with no students sited.

E = 5*B - 2

now we can replace the E in the second equation with the right part in the first equation:

4*B + 3 = 5*B - 2

3 + 2  = 5*B - 4*B

5 = B

So we have 5 benches, and:

E = 4*5 + 3 = 23 students.

5 0
2 years ago
4. Which of the following lines is perpendicular to y = -2X + 8?
Alenkinab [10]

For this case we have to by definition, if two lines are perpendicular then the product of its slopes is -1.

That is to say:

m_ {1} * m_ {2} = - 1

We have the following equation:

y = -2x + 8

So:

m_ {1} = - 2

Thus:

m_ {2} = \frac {-1} {m_ {1}}\\m_ {2} = \frac {-1} {- 2}\\m = \frac {1}{2}

Thus, a line perpendicular to the given line must have slope m = \frac {1} {2}.

Option A:

x + 2y = 8\\2y = -x + 8\\y = - \frac {1} {2} x + 4

It is not perpendicular!

Option B:

x-2y = 6\\2y = x-6\\y = \frac {1} {2} x-3

If it is perpendicular!

Option C:

2x + y = 4\\y = -2x + 4

It is not perpendicular!

Option D:

2x-y = 1\\y = 2x-1

It is not perpendicular!

The correct option is option B

ANswer:

Option B

5 0
3 years ago
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