Mathematics Middle School

How do I do this pls help

How Do I Do This Pls Help

Answers

Answer 1

Answer:

Might be wrong, but, Stephan bought the bike and helmet for 115.2$

Step-by-step explanation:

(might be wrong)

Answer 2

$307 and 2 cent i think

Related Questions

Does anyone have any ideas for multiplying 249 times 398 quickly and mentally? Everything online is too complex.

Answers

Answer:

So, the first solution is a calculator but sometime we don't have a calculator so, do

200 X 300 = A

40 X 90 = B

9 X 8 = C

then add just do multiplication from there like

A + B = D

D + C = E

Then your finally answer would be E

Hope that helps that's the way I do math quick in my head

(Btw the answer to 249 X 398 = 63,672 )

First do 2times3 and then add 4 0’s because they are in the hundreds place and each of them have 2 0’s then do 9times4 and add 2 0’s to the answer and then do 9times8 add up all the answers :)

helppppppppppppppppp asap

Answers

Answer:

Step-by-step explanation:

Deeper than 32 i believe

I agree that it’s deeper than 32

The equality [tex]\sqrt{x^{2}} =-x[/tex] is true for ______________

format the answer should be in:
[tex]x\ \textless \ -3; x\ \textless \ 3\ \textless \ 7; x; x\ \textgreater \ 7[/tex]

Answers

Answer:

X < -3

Step-by-step explanation:

-x will be positive when x < -3

Which equation has a solution of t = 14?

Answers

Equation 1/14t=1

Multiplying by reciprocal which is 14, on both sides.

t=14!

Help my brain is on life support isnt it 2 to the power of 6

Answers

Yes it is I took the test and it said it was wrong but others got it right.

[tex]2^{6}[/tex]

When you have powers in this fashion, all we need to do is multiply the two to get our answer.

Now we can solve:

2 x 2 x 2 x 2 x 2 x 2

4 x 4 x 4

16 x 4

64

I hope this helps! :)

What is the ratio of drink mix to water?

Answers

Answer:

3:8

Explanation:

Answer:

3:8

Step-by-step explanation:

You just flip the numbers around because it just flipped the question.

how can you multiply integers

Answers

Answer: yes you can multiply integer

Step-by-step explanation: basically just a negative number

An integer is a whole number
To multiply a whole number you can use a calculator or use the column method

what is 9038 x 8389
if u answer ill give u a crown thing

Answers

Answer:

75,819,782

Step-by-step explanation:

Answer:

75,819,782

Step-by-step explanation:

that's the answer

Please give me explanations too.

Answers

Answer:

uhh 7

Step-by-step explanation:

add

7 is the number you want

An elevator ascends at a rate of 29.6 feet per second. If a building is 1,450 feet tall,
about how long would it take for the elevator to travel from the ground floor to the roof?
A. 0.49 minute
B. 0.82 minute
C. 4.9 minutes
D. 8.2 minutes

Answers

The correct answe would be D I think it is
The answer is D 8.2 minutes

Use the given data to find the equation of the regression line. Round the final values to three significant digits, if necessary.

= 150.7 – 6.8x

= 140.4 – 6.2x

= –150.7 + 6.8x

= –140.4 + 6.2x

Answers

Answer: 150.7

Step-by-step explanation:

i did the math for it

The answer is 150.7

23+44+24435+-24 -24 -24 divided by 4 + 5 =


lol

Answers

Answer:

24453

Step-by-step explanation:

Did the math in my head

Answer:

24,453

Step-by-step explanation:

Hope this helps!! :))

Can I have some help?

Answers

Answer:

(4,5) , (5,8)

Step-by-step explanation:

i believe that a=5 b=6

6∙4÷(2^3-6)

A.12

B.8

C.4

D.1

Answers

Answer:

3.2

Step-by-step explanation:

first expand the bracket, (2^3 -6 )= (2 x 2 x 2) - 6= 8 - 6 = 2

so, 6.4/2= 3.2

Please help! NO LINKS! (Scientific Notation)

** Only answer if you actually know it, please

Answers

the answer is 4.9 x 10^-9

how can you find the product of positive and negative decimals

Answers

(I have attached an example for reference)

1) Product means multiply, so we will multiply the decimal numbers.

2) First multiply both the numbers just the way you multiply two whole numbers.

3) note that WHILE multiplying you DON'T put the decimal point. Put the decimal point once you get your FINAL answer.

4) Once multiplied, count the total number of places after the decimal in both the numbers which were given. i.e, in the example it's 2 decimal places, one decimal place in 24.5 and one in 3.2, which means the total decimal places here are two.

5) now in your answer, start counting the decimal places from the right side of the number. For example in 7840, we start counting two decimal places from the right side of it and stop at 4 and put a decimal point there. This way we get 78•40.

Hope that helps...

Answer:

Step-by-step explanation:

Watch the video on the picture below

Hope it helps

#LetsStudy

Mary Lynne correctly evaluates the expression.

(14.91)(−1)

Which statements can Mary Lynne make?

Select all correct statements.

The first factor is 14.9.
The product is 14.9.
The first factor is −14.9
The product is −14.9.

Answers

Answer:

The First Factor is 14.91

The Product is -14.91

Step-by-step explanation:

When multiplying two numbers the two numbers being multiplied can SOMETIMES be called factors. This is not typically what factors are referring to.

When multiplying a negative number and a positive number the product is ALWAYS negative

HELP PLS ASAPP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:- 11/32

Step-by-step explanation:

4 /18 divided by 12 is 0.34375. If you make that a fraction it's -11/32.

Answer:

-33/8

Step-by-step explanation:

You make 4 1/8 a mixed number and it becomes 33/8 and you add a negative.

Can u solve this problem?

Answers

Answer:

$20

Step-by-step explanation:

Answer:

[tex]4[/tex] dollars

Step-by-step explanation:

Let's look for how much money they got back

Casey - 20 percent of [tex]40[/tex] is 8

[tex]40-8=32[/tex] dollars that Casey got back

Brayden - 30 percent of [tex]40[/tex] is 12

[tex]40-12=28[/tex] dollars that Brayden got back

Let's see how much more money Casey got back compared to Brayden

[tex]32-28=4[/tex] dollars

Brainliest please :)

1. ESTIMATE THE NUMBER OF GALLONS REQUIRED TO PRODUCE 22 T SHIRTS. IS YOUR ESTIMATE AN OVERESTIMATE OR UNDERESTIMATE? EXPLAIN.
2. HOW MANY GALLONS OF WATER ARE REQUIRED TO PRODUCE 15 POUNDS OF CHOCOLATE? WRITE AND SOLVE AN EQUATION. LET 'g' BE THE NUMBER OF GALLONS.
(hidden water cost/ 1 pound of chocolate = 3,170 gal - 1 ream of paper = 1,321 gal -1 gallon of milk = 880 gal - 1 cotton t-shirt = 713 gal - 1 hamburger = 660 gal)
3. Extension : The owner of a company has a goal to reduce the company's water footprint by 100,000 gallons in one year. He estimates that if the company reduces its yearly need for paper by 80 reams, he will meet his goal. Could the owner have estimated correctly? Justify your answer.

Answers

It’s hold 3,00 gallons

Write an equation for each line
a. The equation for line l is [A1].

b. The equation for line m is [A2].

c. The equation for line n is [A3].

d. The equation for line p is [A4].

Answers

The answer will be c

What is 5x-y=1/4 in slope intercept form? PLEASE give me step by step explanation and why you did what. Thank you! ❤

Answers

Answer:

y=5x-1/4

Step-by-step explanation:

The slope-intercept form would be y=mx+b, where y would be on one side. In this case, we would have to move y to one side. You can add y on both sides to move it on the right. Then, you would subtract 1/4 on both sides to move it to the left so that y is on its own side. Then the equation would equal y=5x-1/4, where 5 = m and -1/4 = b.

Answer:

The calculation to your equation is:

Y=5x-1/4

Step-by-step explanation:

HELP ME WITH THIS PELASE! GET IT RIGHT GET IT BRAINLIEST!!!!

Answers

I needdd a close up the one person did the same and I need a question

Answer 2,4,6 please!!!

Answers

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What is the slope of the line y=3/5x+7 ?

Answers

Answer:

The slope is 3/5

Step-by-step explanation:

This line is in slope-intercept form, meaning that the slope is the term that is multiplied by x.

I dont know what im doing

Answers

Answer:

I think its D

Step-by-step explanation:

7x8x9 would equally 504 and 9x8x7 would also equall 504.So therefore your answer if I'm not mistaken would be D.

Answer: The answer to your question is D.

Step-by-step explanation: A Commutative Property for Mutliplication order can change be the change will never affect the answer.

hi can you plz help will mark brainlest

Answers

The answer is x ≥ -9
Answer: from negative eight to 6

Step-by-step explanation:

giving brainiest
Graph the line using Point-Slope Form.

Answers

Answer:

Step-by-step explanation:

y=m+b

I think it is Y = m + b ……….

[[Please explain]] The length of a spring varies directly with the mass of an object that is attached to it. When a 30-gram object is attached, the spring stretches 9 centimeters. Which equation relates the mass of the object, m, and the length of the spring, s?
O s=3/10m
O s=10/3m
O s=3/10s
O s=1/30s

Answers

Answer:

The required equation is [tex]s =\frac{3}{10} m[/tex]

Step-by-step explanation:

Given: The length of a spring varies directly with the mass of an object that is attached to it. When a 30-gram object is attached, the spring stretches 9 centimeters.

To find : Which equation relates the mass of the object, m, and the length of the spring, s?

Solution :

Let the mass of the object  m,

Length of the spring s,

When a 30-gram object is attached, the spring stretches 9 centimeters.

i.e, the times length of the object is attached to spring is The length of a spring varies directly with the mass of an object that is attached to it.

According to question,

i.e, length of the spring is 3 by 10 times the mass of the object.            

Therefore, The required equation is

An online media service offers video and music downloads. Each download of a song costs $1. Each download of a video costs 5 times as much as the song download. You have a credit of $70. How many songs can you purchase after buying 12 videos?

Answers

You can buy 10 songs.

Answer:

You can purchase 10 songs after buying 12 videos.

Step-by-step explanation:

Step 1 - Find out how much downloading a video costs. If the cost of a video download is 5 times as much as a song download costs, and a song download is $1, then you'd have to multiply 5 x $1, which equals 5. So downloading a video costs $5.

Step 2 - Find how much it costs to buy 12 videos by multiplying the cost of 1 video to how many you bought, 12. We already found out 1 video costs $5, so that would 12 x $5, which equals $60. That means those 12 video downloads costed you $60 dollars.

Step 3 - Find out how many songs you can buy with your remaining credit. If you already payed $60 dollars worth of videos, then you only have $10 dollars left to spend because $70 - $60 is $10. So if every song costs $1 dollar, then you'd be able to purchase 10 more songs until you reach your credit, $70 dollars.

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