Use an equation to find the value of k so that the line that passes through the given points has the given slope.

(−4,k), (6,−7); m=−15

Answers

Answer 1

Answer:

Step-by-step explanation:

(-7 - k)/(6 + 4) = -15

(-7 - k)/10 = -15

-7 -k = -150

-k = -143

k = 143


Related Questions

PLEASE HELP EXPLAIN !! SHOW WORK FOR BRAINLIEST Acidity is measured on the pH scale. The acidity of a substance is given by pH=−logH, where H is the concentration of Hydrogen ions. If a substance has an H value of 0.0004, what is the pH of the substance, rounded to the nearest tenth?

Answers

3.4

Step-by-step explanation:

The pH or acidity of a solution is given by the equation

[tex]pH = -\log{[H]}[/tex]

where [H] is the concentration of [tex]H^+[/tex] ions. If the [tex]H^+[/tex] concentration is 0.0004 (=[tex]4×10^{-4}),[/tex] then its pH level is

[tex]pH = -\log{(4×10^{-4})} = 3.4[/tex]

A casserole recipes calls for 4 ounces of cheese. Emerson wants to use half of the amount of cheese in his casseroles. How many pounds of cheese will he need to make 28 casseroles with his revised recipe?

Answers

Answer:

Step-by-step

4 oz = 1/4 pound.

1 casserole requires 1/4 pound

28 casseroles require x

1/28 = 1/4 // x        For ease change 1/4 to a decimal

1/28 = 0.25 / x      Cross multiply

1*x = 28 * 0.25

x = 7

We need 7 pounds of cheese to make 28 dishes.

Melissa is riding her bike . She rides for 3 hours at a speed of 4.8 kilometers per hour . How far does she ride ?

Answers

Answer:

14/4

Step-by-step explanation:

speed.time=distance

3x4.8=14.4

Alina thinks that the first step in solving the equation shown below could
be to use the subtraction property of equality. Olivia thinks that the multiplication
property of equality could be used first. Who is correct?

Answers

Answer:

H

Step-by-step explanation:

Both.

However, multiplication is a good deal more awkward and anytime things are awkward, there's room for errors. However the question is what to do, not which is better.

The answer is both.

i rlly need help ill give u brainliest​

Answers

Answer:

1728 for A

7290000 for B

Step-by-step explanation:

Create 2 equations that are equivalent to 3x - 12 = 24

Answers

Answer:

1st equation: 3(12) - 12 = 24

2nd equation: 36 - 12 = 24

Answer:

3(12) - 12 = 24

Step-by-step explanation:

Part 1 of 2
Points: 0 of 1
a. Squares with sides of length x are cut out of each corner of a rectangular piece of cardboard measuring 41 ft by 22 ft. The resulting piece of cardboard is the
folded into a box without a lid. Find the volume of the largest box that can be formed in this way.
b. Suppose that in part (a) the original piece of cardboard is a square with sides of length s. Find the volume of the largest box that can be formed in this way.

Answers

Answer:

Step-by-step explanation:

   

It takes Evelyn, traveling at 36 mph, 45 minutes longer to go a certain distance than it takes Ricky traveling at 72 mph. Find the distance traveled.

Answers

The distance travelled by both Evelyn and Ricky is 45 miles

If Speed = dist/time, then;

dist = speed * time

We also know that both of them travel the same distance, so we equate the distance travelled to each other

36 * x+45 = 72 * x

36x + 1620 = 72x

72x - 36x = 1620

36x = 1620

x = 1620/36

x = 45 miles

learn more about distance covered here https://brainly.com/question/17894416

The method of substitution is likely the best method for which system?

−8x−2y=18x−2y=5


2x+y=103x+2y=5


5x−2y=32x+2y=1


−3x+2y=93x−5y=4

Answers

Answer:

simultaneous equation

A patients IV bag contains 750mL. Four hours later, the IV bag contains 450mL.

a) Determine the rate at which the bag is draining.
b) Use your answer from (a) to predict how many mL of IV fluid are left in the bag after 6 hours.

Answers

Answers:
a) 75ml/hr
b) 0ml left

Explanation:
a) 750ml - 450ml = 300ml (This is how much we know the bag drained within 4hrs)

300ml/4=75ml

so now we know the rate of drain is 75ml/hr

b) since rate is 75ml/hr:
75*6=450
450-450=0

Hence there will be no fluid left for the patient.

(a) The rate at which the bag is draining is 75mL/h.

(b) After 6 hours, the remaining fluid is =0 mL.

What is rate?

Rate is a measurement of change of a quantity with respect to another quantity.

Given that,

Initial volume of bag=750 mL,

After 4 hours later, the volume of bag= 450.

(a)

To determine the rate of draining,

The change of volume in 4 hours= 750-450=300

The change of volume in 1 hour = 300/4=75

So, the rate of draining= 75mL

(b)

To determine the remaining volume of bag after 6 hours,

The volume drains in 1 hour=75 mL

The volume drains in 6 hours = 75×6=450

The remaining fluid = 450-450=0

The fluid remains after 6 hours is 0mL.

To know more about Rate on :

https://brainly.com/question/23634231

#SPJ2

What is the probability that you will be able to draw all of the cards in the deck without being forced to stop because you have $0 in your pocket?

Answers

Step-by-step explanation:

Probability will be 0 According to me!!

Mark me BRAINLIEST

pls help quick Jack is selling lemonade at a stand outside his house. He is charging $1.50 per cup. He needs to make at least enough money to cover the cost of his supplies, which were $15.25. has anys 192 What is the minimum number of cups of lemonade Jack needs to sell?​

Answers

Answer:

11 cups

Step-by-step explanation:

1.50x10=15 and that wouldn't be the answer because, he needs to cover all of his supplies.  1.50x11=16.5, and that is enough money to cover all of his supplies. So he would need 11 cups total.

Evaluate the expression 8+7​

Answers

Answer:

15

Step-by-step explanation:

Calculate the sum of 8+7 which is 15

Which expression is equivalent to the given expression?
5x – 2

A2 – 5x
B 2x – 2 + 3x
C 3 – 5 + 2x
D 5x — 2х

Answers

Answer:

I DON'T KNOW WHERE YOu belong because im in philippines

I choose answer B: 2x-2+3x

there are 98 girls at Ross elementary there are 15 less boys then girls how many boys and girls are at Ross elementary​

Answers

Answer:

either 98 girls and 83 boys or 181 students in Ross elementary school

Step-by-step explanation:

98-15 is 83 so there are 98 girls and 83 boys there are also 181 students altogether.

Help!!!!! I will give out brainiest to best answer!!!

Answers

Answer:

see below

Step-by-step explanation:

a = 4

b = -2

c = -8

d = -11

Answer:

a=4, b=-2, c=-8, and d=-11

Step-by-step explanation:

its pretty easy

Number 13

I’ll reward you brainiest!!

Answers

The answer is 3 bozo open ur eyes

need some help with these!!

Answers

The answer is 24

Explanation: just divide by 2
It is C. 24

Because triangle A is double the size of triangle D

32/2 =16
40/2 = 20

48/2 = 24

Geometry ….. solve for x and y

Answers

Answer:

y = 2.4

x = 30°

Step-by-step explanation:

5y = 12

[tex]\frac{5y}{5}[/tex]  = [tex]\frac{12}{5}[/tex]

Cancel both the 5 in numerator and denominator

y = [tex]\frac{12}{5}[/tex]

Divide 12 by 5

y = 2.4

All internal angles of a triangle must add up to 180°. So the angles of the bottom triangle is 60° each. As you can see, there's a right triangle on the right side and a right angle is 90°. So you just have to subtract 90° and 60° to get the angle of the missing angle which is 30°

x = 30°

i don't know how to explain it but i'm sure it's correct. Hope it helps

mayor jones received 1027 votes his opponent received 949 votes how many votes did mayor jones win by? 6th grade help most hepful answer gets 5 stars a comment and a like​

Answers

Answer:

[tex]︎{\blue{\rule{25pt}{1pt}{\purple{\rule{30pt}{3pt}{\red{\rule{50pt}{99999pt}{\purple{\rule{30pt}{3pt}{\blue{\rule{25pt}{1pt} }}}}}}}}}}︎︎︎[/tex]

Kinetic energy is described as. The answers are elastic. movement. Decreasing energy. Stored energy.

Answers

Answer:

c

Step-by-step explanation:

Use partial products to multiply

73

×

42

73×4273, times, 42.

Answers

Answer:

13,101,108

as in Thirteen million ,hundred and one thousand, one hundred and eight

which of the following explains why 2/3(x+3)=2/3(x-6)has no solution​

Answers

Answer:

D. The coefficients are the same, and the constants are different

Step-by-step explanation:

This means that because we have the same coefficient (2/3), if we wanted the same equation, the constants (x +/- #) would have to be the same, and since they are not in this instance, that makes the equation false, and therefore has no solution

The sum of a number nd its opposite will always add up to
absolute value?

Answers

Answer:

On the number line, a number and its opposite are, predictably, opposite each other. In other words, they are the same distance from zero, but on opposite sides of the number line. The opposite of zero is defined to be simply zero. The sum of a number and its opposite is always zero, as shown in the following example.

The sum of a number and it’s opposite will always add up to 0. For example 7+ -7 = 0

Also they have the same absolute value because absolute value is the distance form the 0 on the number line.


-5-4-3-2-1”0”1 2 3 4 5

4 and negative four are both four away form the zero and -4+4=0

The function f(x) = mx + 5 is its own inverse. Find the value of m?​

Answers

mx + 5 = (x - 5) / m

mx + 5 = x/m - 5/mAnswer:

Step-by-step explanation:

first find the inverse equation

y = mx + 5

y - 5 = mx

(y - 5) / m = x

(x - 5) / m = f⁻ˣ(x)

The original function is a line with slope m and y intercept of 5

The inverse function is a line with a slope 1/m and x intercept of 5

so the common line is where m = 1/m

m = 1/m

m² = 1

m = ± 1

The only line with a common slope between these two options is when

m = -1 and y intercept is 5

A baseball player gets 18 hits in the first 21 games of the season. If he continues hitting at the same rate, how many hits will he get in the first 28 games?

In the first 28 games, he'll get how many hits.

Answers

Answer:

126

Step-by-step explanation: I am pretty sure this is right so my explanation for this answer is, I subtracted 28 by 21 to see how many games were left, I got 7. So then I multiplyed 18 by 7 to see the  total of each to have the final answer.

(sorry if wrong)

Given: DE is a midsegment of ∆C. Show all work. Find the value of x and y. What is the length of C?

Answers

Answer:

Find out the value of x.

To prove

Definition of mid- segment

It is a segment connecting the midpoints of two sides of a triangle.

It is always parallel to the third side, and the length of the midsegment is half the length of the third side.

As shown in the triangle given below.

As given

DE = 5x and BC = 11x – 15

Thus

15 = 11x - 10x

15 = x

Therefore the value of x is 15 .

Step-by-step explanation:

Determine the Domain and Range for promblems 1 and 2.

Answers

Answer:

Nvgjvfknh

Step-by-step explanation:

hello can someone help me on this question

Answers

Answer:

what question

Step-by-step explanation:

Which number line and expression show how to find the distance from -4 to -1

Answers

Answer:

C

Step-by-step explanation:

because i said

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