Mathematics High School

9
.
27
21
Solve for 3

9.2721Solve For 3

Answers

Answer 1
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Related Questions

Find the area of a square with the side lengths of (1/2x+2)

Answers

Answer: There are no like terms

Step-by-step explanation:

Can someone please help

Answers

Answer:

each hamburger costs $3.50

Step-by-step explanation:

he spent $13 in total and bought one hot dog for $2.50 and 3 hamburgers but we don't know the price of one hamburger so we could represent it by the equaton,

2.50 + 3h = 13 now solve for x

-2.50           2.50

3h = 10.50

h=3.50

check:

2.50+3(3.50)=13

2.50+10.50=13

13=13

SOMEONW GIVE ME STEP BY STEP EQUATION I NEED TO SUBMIT THIS TONIGHT

Answers

Answer:

no answer. Because 8-4 is not equal to 12

Step-by-step explanation:

HELP ASAP!!!! HELP HELP

Answers

Answer:

proportional

Step-by-step explanation:

Answer:

I'm 99% sure it's Non-Proportional

Step-by-step explanation:

If you were to convert each of them into fractions and simplified them, they wouldn't be equivalent.

WILL MARK BRAINLIEST!!!

This is a continuation to the other question

Answers

Answer:

m=86 degrees

x=98 degrees

Step-by-step explanation:

1:

the angles of a triangle are 180

180-71-23=86

m=86

2:

the angles of a triangle are 180

180-52-30=98

x=98

hope this helps and is right!

The water level in an ocean changes at an average rate of 3 meters per hour. At this rate, how many hours would it take for the water level to change 12 meters?

Answers

Answer: 4 hours

Step-by-step explanation:

The water level changes at an average rate of 3 meters per hour.

The question wants to know how long it will take for the ocean water level to change 12 meters.

You can use direct proportion:

1 hour     :  3 meters

x hours   : 12 meters

Cross multiply to get:

3x = 12

x = 12 / 3

= 4 hours

Monica deposits $100 into a savings account that pays a simple interest rate of 4.5%, Paul
deposits $200 into a savings account that pays a simple interest rate of 3.2%. Monica says that
she will earn more interest in 1 year because her interest rate is higher. Is she correct? Justify your
response.

Answers

Answer:

yes she is correct

Step-by-step explanation:

because in 1 year it will go up 4.5%

Yes she is correct!

Hope this helps!

I need help with geometry

Answers

Answer:

168 degree angle

Step-by-step explanation:

Ok I see so the answer should be 168 sorry if I’m wrong

If q varies directly as r, and q=20 when r=5, find the constant of variation.

a.k=2
b.k=3
c.k=4
d.k=5​

Answers

Answer:

c. k=4

Step-by-step explanation:

5 in 4 places is 20 4 is a constant variation

The value of constant of variation k is 4.

Since,  q varies directly as r.

                     [tex]q=kr[/tex]

   Where k is constant of variation.

Substitute.[tex]q=20,r=5[/tex] in above equation

          [tex]k=\frac{20}{5} =4[/tex]

Thus, The value of constant of variation k is 4.

Learn more:

https://brainly.com/question/23042914

Simplify: 2(10) + 2(x - 4)

Answers

Answer:

2x+12

Step-by-step explanation:

Multiply the numbers

2*10+2(x-4)

Distribute

20+2x(x-4)

20+2x-8

Subtract the numbers

20+2x-8

12+2x

Rearrange terms

2x+12

Your parents are building a pool that is 7 ft wide and 12 ft long. They want to put a walkway around the pool that is x ft wide on all sides. Write a polynomial that represents the combined area of the pool and walkway. Answer needs to be in standard form and use x as your variable.

Answers

Answer:

25 /12*6 =12.5

Step-by-step explanation:

thats what i got

Solve this equation: b - 120 = 80

What is the value of b? (what is b)

Answers

Answer:

b=200

Step-by-step explanation:

Cancel -120 from both sides by adding 120 to the other side:

b=80+120

b=200

Answer:

b= 200

Hope it helps, if not, I'm so sorry.

Karen received a $80 gift card for a coffee store. She used it in buying some coffee that cost $8.23 per pound. After buying the coffee, she had $47.08 left on
her card. How many pounds of coffee did she buy?
pounds
х
5
?

Answers

Answer:

4

Step-by-step explanation:

80 - 47.08 = 32.92

32.92/8.23 = 4

Piece of cake.
Karen actually bought 4 pounds of coffee.
By take $80 - $47.08 = $32.92
Then take $32.92 / $8.23 = 4
So we got 4 pounds of coffee.

ASAP please help me ​

Answers

Answer:

dont really know buy im thinking its A.

Step-by-step explanation:

hope this helps somewhat

Of the 52 students eating lunch, 17 students are eating a sandwich. The rest of the students are eating pizza. What is the ratio of students who are eating sandwiches to students eating pizza?

Answers

17 students are eating a sandwich.
35 students eating pizza

17:35 is your answer

Answer this please I’m not sure of the answer

Answers

Answer:

50

Step-by-step explanation:

All angles in a triangle add to 180 so C would be 65 and we just do 180-65-65 and we get 50.

The measure of each angle of an isosceles triangle is
Select one:
a. 15
b. none of these
c.5
d. 30
e. 90

Answers

i believe it would be none because an isosceles triangle would have the angles 90,45,45

i’m not 100% sure but that’s what i think

Paula is the student council member responsible for planning an outdoor dance. Plans include hiring a band and buying and serving dinner. She wants to keep the ticket price as low as possible to encourage student attendance while still covering the cost of the band and the food.
Question 1: Band A charged $600 to play for the evening and Band B changers $350 plus $1.25 per student.
Write a system of equations to represent the cost of the two bands.

Answers

Answer:

Plans include hiring a band and buying and serving dinner. She wants to keep the ticket price as low as possible to encourage student attendance while still covering the cost of the band and the food. Question 1: Band A charged $700 to play for the evening and Band B changers $550 plus $1.50 per student.

Step-by-step explanation:

There are 15 plums and 9 apples in a fruit bowl. What is the ratio of apples to plums?

Answers

Answer:

5:3

Tell me if I'm correct

15:9 or 3 x 5:3 x 3 That is the ratio of apples to plums

kevin and jenny each use 12 cups of water to make a plaster. who will make more plaster?

Answers

Answer:

Students solve problems by comparing different ratios using two or more ratio tables. ... If you used ratios to compare, what do the ratios mean in the context of this ... Laredo makes his juice by combining three cups of water for every one cup of ... Milton's Juice. Water. JC. Total. Water. JC. Total. Water. JC. Total. 12. 2. 14. 15.

Step-by-step explanation:

SOMEONE HELP PLS ITS IMPORTANT!

What’s the measure of MNK & PK?

Answers

Answer:

0.125 and 0.25

Step-by-step explanation:

So if M is 1/2 So is N and K and P so that means

For MNK it is 1/2 ³ which is 1/2 x 1/2 x 1/2 = 0.125 = 125/1000

For PK it is 1/2² which is 1/2 x 1/2 = 0.25 = 1/4

Find the value of x.

Answers

Answer:

your answer is 4

Step-by-step explanation:

Answer:

x = 38

Step-by-step explanation:

x+10 + 3x+18 = 180

4x = 152

x = 38

Riley invested $150 in an account paying an interest rate of 1 % compounded daily.
Blake invested $150 in an account paying an interest rate of 1% compounded
continuously. After 5 years, how much more money would Blake have in his account
than Riley, to the nearest dollar?

Answers

Answer:

$5

Step-by-step explanation:

what place value is 7 in 7,000.2

Answers

Answer:

thousands place

Step-by-step explanation:

Have a nice day

9f+3.6=10.8

what is the answer
what does f stand for
plz help asap

Answers

Answer: f=0.8

9f+3.6=10.8

Subtract 3.6 from both sides

9f=7.2

Divide both sides by 9

f = 0.8

which is the measure of

Answers

Answer:

The measure of what?

Step-by-step explanation:

post the question again and I will see if I can answer it

I will mark brainliest to whoever gets this right :) (Picture below)

Answers

Answer:

80

Step-by-step explanation:

180 subtract both measurements which are 45 and 55

you get 80

Answer:

80 degrees

Step-by-step explanation:

what is the solution to the equation below? round your answer to two decimal places. 4e^2x+16=36

Answers

Answer:

Answer is B X=0.80

Hope this helps and it does help if you rate,like,and mark brainliest

Answer:

.80

Step-by-step explanation:

A.P.E.X

A circular running track is 14 of a mile long. Elena runs on this track, completing each lap in 116 of an hour. What is Elena’s running speed? Include the unit of measure

Answers

Answer:

The wording is quite confusing, but here it goes

Step-by-step explanation:

T(track)= 14 of a mile. 1 mile is 5280 feet. If Elena is running each lap at 116 of an hour, (116%?) then 16% of 60 is 9.6 minutes, so each lap takes 69.6 minutes. One lap is 1312 feet, so 5280/1312= 4.02, so she can run 4 laps, which will take her 278 minutes. So 1312 is 24% of a mile, and she is running at .24 mph.

I need help 20 points please

Answers

Answer:

true

false

true

Step-by-step explanation:

.... im not exactly sure it seems like common sense to me sorry if i didnt help

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