Mathematics High School

7k − 5k + 8 = −4
7(−6) − 5(−6) + 8 = −4
−42 + 30 + 8 = −4
−12 + 8 = −4
−4 = −4

is it me or 5(-4)= -30???

Answers

Answer 1

Answer:

-6

Step-by-step explanation:

7k − 5k + 8 = −4

2k+8=-4

    -8  -8

2k=-12

/2   /2

k=-6

Check!

7(-6)-5(-6)+8

-4=-4

Related Questions

A restaurant buys a freezer that is 6 feet long, 2 feet wide, and 2.5 feet tall. What is the volume of the freezer?
© 21 cubic feet
10.5 cubic feet
30 cubic feet
15 cubic feet

Answers

Answer:

30 cubic feet

Step-by-step explanation:

Can someone answer this question this correctly for me

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The answer is A cause thoes are the ones u don’t have a number for yet


What is the c-value for the data point that represents the outlier in the scatter plot?
0 195
0 190
0 170
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Answers

The answer is the first one. 195 is the x value for the data point that represents the outlier in the scatter plot.

A 16-ft-long ramp rises at an angle of 18.5 degree. How long is the base of the ramp to the nearest foot?

pls include explanation <3

Answers

Answer: 13 ft

Step-by-step explanation: The bottom of the 14 foot ramp is equivalent to about 12.98 feet.

Which triangle is a 30°-60°-90° triangle?
10
O
5,3
15
5
5/5
10
5
10/3
15
10
5./3

Answers

Answer:

the first one

Step-by-step explanation:

If a/b
and c/d
are rational expressions, then a/b*c/d=a*d/b*c.
A. True
B. False

Answers

Answer:

True

Step-by-step explanation:

Promise Just toke the test

Answer:

it is true have a good day

Determine when domain increases

Answers

Answer:

Step-by-step explanation:

[0,7)

because the dot is colored in you need to have the bracket

Please help!!
Mr. Sanchez’s class sold fruit pies for $1.65 each and Mr. Kelly’s class sold bottles of fruit juice for $1.36 each. Together, the classes sold 79 items and earned $118.17 for their school.

(a) Write and solve a system of equations that model the problem. Show all your work.

(b) Which class earned more money?

(c) How much more money did that class earn?

Answers

Answer:

Step-by-step explanation:(a)

1.65p+1.36j=118.17 and p+j=79

We can say p=79-j and sub this value in first equation

1.65(79-j)+1.36j=118.17

130.35-1.65j+1.36j=118.17

-0.29=-12.18

j=42, p=79-j, p=79-42=37

(b)

1.65(37)=61.05 and 1.36(42)=57.12

Sanchez class earned more selling pies.

(c)

61.05-57.12=3.93

So Sanchez class made $3.93 more than Kelley class.

Some one already answered this, heres the link to the answer:

brainly.com/question/19662350?referrer=searchResults&exp=25-1

hiii please help i’ll give brainliest and please write how you got the answer

Answers

Answer:

385

Step-by-step explanation:

11  / 4 2 3 5

−__ 0___        

   4 2          

−__3__   3_        

     9 3        

  −__8___8__    

       5 5      

     −____5_ 5___    

         0 0    

       −_______0__  

           0 0  

         

What is an equivalent fractions

Answers

Answer:

fractions that are the same

Answer fast


It takes 1 cup mix and 3/4 cups of water to make 6 pancakes. How much water and mix is needed to make 21 pancakes?
Please use the math box to show any additional work.
I dont know
3.5 cup mix & 2.625 cups water
2625 cups mix & 3.5 cup water
28 cups mix & 21 cups water
21 cups mix & 28 cups water
Submit and Explain

Answers

Answer:

It takes 3.5 cups of pancake mix and 2.625 cups of water to make 21 pancakes.

Step-by-step explain

First divide each by 6 to figure out how much mix and water it takes to make one pancake

1/6 mix + .125 cups water = 1 pancake

Multiple each by 21 to know how much mix and water it takes to make 21 pancakes

3.5 mix + 2.625 water = 21 pancakes

Answer:

15 3/4

Step-by-step explanation:

you multiply 3/4 times 21 then you will get 3/4 times 21/1 and the answer is 63/4 and simplify and get 15 and 3/4.

Whats 3/7 multiplied by 14/18.Make sure ur answer is fully reduced.​

Answers

Answer:

1/3

Step-by-step explanation:

3×14 = 42

7×18 = 162

simplify by dividing them each by 42 and you get 1/3

Answer:

1/3

Step-by-step explanation:

just multiply per usual then reduce it

3(x+5)+x=7 What is X?

Answers

Answer:

x = -2

Step-by-step explanation:

Answer:

x = -2

Step-by-step explanation:

3(x+5) + x = 7 --> deal with parenthesis

4x + 15 = 7 --> subtract 15 from both sides

4x = -8

x = -2

mhhhhhhhhhh welppp i need help

Answers

Answer:

It does not pass the vertical Line test, because the vertical line test is when you put a line through a something like this circle and if it passes throug it more the once it is not a line.

Step-by-step explanation:

Hope this help.

no it doesnt pass the vertical line test

A chemical compound requires 8 ounces of chemical A and 12 ounces of chemical B. A mixture contains 24 ounces of chemical A and 30 ounces of chemical B. How can you fix the mixture to make the chemical compound?

Answers

Add 6oz of chemical B and remove 1/3 of the total mixture.
I might always be wrong.
Explanation:
Since 8x3=24 and since 12x3=36 you need to add 6oz of chemical B to have 24oz of chemical A and 36oz of chemical B.
Take 1/3 of the total mixture to have 8oz of chemical A and 12oz of chemical B.

Which figure can be formed from the net?

Answers

Answer:

The one on the top left corner; the one with 8, 14, and 14

Step-by-step explanation:

As you can see from the net, the 14 inches is the length of the base lines, while the 8 inches is the height of the triangle on the net. Therefore, it's the choice on the top left corner.

also is your pfp tsukki in a dino onesie-

During the economic downturn in 2008, the price of a stock, A(x), over an 18-month period decreased and then
increased according to the equation A(x) = 0.70x2 - 6x + 15, where x equals the number of months. The price of
another stock, B(x), increased according to the equation B(x) = 2.75x + 1.50 over the same 18-month period. State all
prices, to the nearest dollar, when both stock values were the same.

Answers

Answer:

(-2) + (3-7)

(-1) * (-2)

EVALUATE THE EXPRESSION

Step-by-step explanation:

HELP ME PLS

If the data does not have outliers and is not overly spread out, use:

Mean, mean absolute deviation, median, or interquartile rang

Answers

Mean I think I hope it’s right !

find the measure of each angle indicated and please explain how you got that answer if you can ​

Answers

#15- The answer should be 35.
In the photo I included, both points A and B are equal, because they are intersecting. To get the measurement for these angles, you add 40+40 to get 80. We know that three angles in a triangle need to add up to 180, so you would subtract 80 to get 100. If point A and B are 100, that means you can add 100+45 to get 145, and subtract that from 180 to get your answer. (35)

#16- The answer should be 42. Using the same logic as before, take away 80+40 from 180 to get 60 for points A and B. Then you would subtract 78+60 from 180 to get your answer. (42)

#17- The answer should be 108. You need to find the final angle of the triangle by subtracting 37+71 from 180. This would equal 72. Since the angle of a line is 180 degrees, you would subtract 72 from 180 to get the finished product. (108)

#18- The answer should be 35. You would start by finding the bottom left angle. You would use the same logic as I did in #17 by subtracting 180-126. This tells you that the bottom left angle in the triangle is 54. Then you would subtract 91+54 from 180 to get your answer. (35)

I hope this helps and that it wasn’t too confusing. #17 and #18 aren’t my strong suit, so I’m sorry if I’m wrong. Please mark brainliest!

3n + 1 for n= 2
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Answers

Answer:7

Step-by-step explanation:

3(2)+1

6+1=7

Answer: 7

Step-by-step explanation:

if n=2 then

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Answers

Answer:

Your answer is

XY= 7

Hope that this is helpful. Tap the crown button, Like & Follow me

which equation represents the line that passes through the point (-1 -2) and (3 10)

Answers

Answer:

the answer is y = 3x + 1

Erica had a stack of firewood on Monday. OnTuesday she used 1/2 of the
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Answers

Answer:660

Step-by-step explanation:

Difference between 1/2 and 1/3 is 1/6 and 110 logs is 1/6 of the total logs

660 will be your answer

Round 30.599 to the nearest hundredth

Answers

Answer:

30.60

Step-by-step explanation:

Hundredths Place is two places after the decimal point

since 9 is greater than 5 you move up, so 5 turns to a 6

so 30.599 ≈ 30.60

Answer:

30.6

Step-by-step explanation:

the hundredth in 30.599 is the bold since 9 is greater than 9 you will regroup 1 to the tenths place to get 30.6

W-20.5=8 please help me

Answers

This is just the same as asking you what number when subtracted by 20.5 will give you an answer of 8. The answer would obviously be 8+20.5=28.5 so w=28.5.

We can also do it in a more algebraic way. By adding 20.5 to both side of the equation which won't change the value.

w-20.5+20.5=8+20.5

w=28.5

Any questions just ask me in the comments of this question :)

K12 Math What was the "phrase that pays" EXACTLY as written in the Unit 2 Practice Test Desmos lesson?

Answers

Answer:

never stop learning

Step-by-step explanation:

all lower case

i took the k-12

find the value of 9x+4y when x=4 and y=-3

Answers

Answer:

you substitute x for 4 and so you multiply 9 x 4 which will give you 36 and then you have to add four times y so you substitute y for -3 and you add 36 - 12 which will give you 24

Delia drove 290 miles in 5 hours. At this rate, how far will she drive in 7.5 hours?

Answers

Answer:

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Step-by-step explanation:

Bobby is 5 less than Kylie's age. Their combined
age is 43. How old is Kylie?

Answers

Answer:

Kylie is 24 years old

Step-by-step explanation:

kylie = x

Bobby=x-5

x+x-5=43

2x-5=43

2x=43+5

2x=48

X=24 years old

19

If you subtract 5 off of 43 and divide it by two you find Kylie's age. The reason you divide by two is because there are two people and it is a combined age, meaning you would divide by two.

-Ɽ3₮Ɽ0 Ⱬ3Ɽ0

What is the result when the number 80 is decreased by 32%?

Answers

Answer:

54.4

Step-by-step explanation:

Answer: 54.4

Step-by-step explanation:

Subtract 32% from a 100% then multiply it by 80 to get the results.

100% - 32% = 68%

68% * 80 = 54.4

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