Mathematics Middle School

(7-3t) -5(-1.6t +5)
Find the difference!
Pls I need this before an hour!!!

Answers

Answer 1

Answer:

5t - 18

Step-by-step explanation:

(7 - 3t) - 5(-1.6t + 5)

First, we need to distribute the right side to get rid of the parentheses.

-5 * -1.6t = 8t

-5 * 5 = -25

8t - 25

Now, we have

(7 - 3t) + 8t - 25

We no longer need the parentheses on the left side.

7 - 3t + 8t - 25

Combine like terms.

-3t and 8t are like terms.

-3t + 8t = 8t - 3t

8t - 3t = 5t

7 and -25 are like terms.

7 - 25 = -18

5t - 18

Because 5t and -18 are NOT like terms, this is as far as we can simplify. So, we have our answer.

Please let me know if you have any further questions. I'm always happy to help!

~ [tex]InLoveWithPugs[/tex]

Moderator

Math Enthusiast

Answer 2
-18+5t is what i got from solving this

Related Questions

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP PLEASE

Answers

Answer:

use formula

area = 1/2 *Height *(side 1 + side 2)

Answer:

use the equation of area of parallelogram = height ×base

Every person has a unique tongue print like finger prints

Answers

Answer:

is this a question? but yes that is most likely true.

Step-by-step explanation:

explanation? uh my brain? :'>

base= 1.5 area=2 but what does height equal

Answers

I think the answer is 3

Answer:

i think its 1.33 repeating

Step-by-step explanation:

what does tempature measure

Answers

Answer:

Temperature is a measure of the average kinetic energy of the particles in an object.

Step-by-step explanation:

which means its b

What is the multiplicative rate of change of the function?

1/3
2/3
2
9

Answers

Answer:

it is 2/3.

Step-by-step explanation:

please mark as brainliest .

2/3

As x increases by 1
Y decreases by a rate of 2/3.
6x2/3=4
4x2/3=8/3
And so on
To find 2/3, all you need to do is find how y is changing.
First of all, we know that y is decreasing as x increases so the rate is less than 1.
Take y2/y1 to get m or the rate
Ex. 4/6=2/3 which is less than 1!

Hope this helps!!

When two factors have opposite signs, is the product negative or positive??

Answers

Answer:

Negative

Step-by-step explanation:

If two signs differ the answer will always be negative. but if they are the same then the answer would be positive. Hope this helped!

Answer:

Negative

Hope this helped :)

Could someone please find the rate and y-intercept for these two points? (2,2) and (3,4) the help would be greatly appreciated!!

Answers

First use a formula to find rate of change
so a formula most commonly used is (y^1-y^2)/(x^1-x^2)

m= (y^1-y^2)/(x^1-x^2)
=m=(4-2)/(3-2)
=m=2/1
2/1 can also be expressed as just 2 since anything divided by 1 is just itself

Now use the formula y=mx+b to find the y intercept

use either of your two given point to susitute y and x

y=mx+b
Substitute your values
=(4)=(2)(3)+b
Calculate
=4=6+b
Subtract both sides by 6
=-2=b

Therefore the rate of change is 2/1 and the y-intercept is -2

What is the Law of Exponents?

Answers

Answer:

The exponent of a number says how many times to use the number in a multiplication.

Example:

[tex]8^{2}[/tex] = 8 × 8 = 64

The perimeter of the original rectangle on the left is 30 meters. The perimeter of the reduced rectangle on the right is 24 meters. What is x, the width of the original rectangle on the left? Round to the nearest hundredth if necessary.

A) 5 meters
B) 8 meters
C) 10 meters
D) 12 meters

Answers

X=5



Explanation:


If the triangle on the rights perimeter is 24 and two of the lengths are 8 then we know 8+8=16 24-16=8 8/2=4
So the triangle on the right has the numbers 8 and 4 as it’s length and width

So then you would find out how much it was dilated to get from 30 to 24
30/24 and you get 1.25 so you multiply 4 by 1.25 and get 5, and then to double check you can multiply 8 by 1.25 and get 10 then add it all together
5+5+10+10=30 so you know that’s correct.

A rectangular poster has an area of 504 square centimeters. The width of the poster is 14 centimeters. How long is the poster?

Answers

Answer:

36 sq. cm.

Step-by-step explanation:

We find area by multiplying the length by the width of the poster. But now, in your question we want to find the length of the poster. We are given the area, 504 square centimeters, and the width, 14 centimeters. Since multiplication and division are inverse operations, we will do the opposite of multiplication, division, to find the quotient, the length of the poster. 504 divided by 14 can be written like this: 504 / 14. 504 / 14 = 36 sq. cm. We can check our answer by multiplying 36 and 14 to get 504. So, we know our answer is correct.

Answer:

i think it is 514

Step-by-step explanation:

PLEASE HELPPPPPPPPPPPPPPPPPPP

Answers

Answer:the answer is D

Step-by-step explanation:

The answer is D
Your welcome

Slope-intercept form
find out the y intercept and slope

Answers

Answer:

18. Slope (m) = 1/2

Y-intercept (b) = -6

19. Slope (m) = 2

Y-intercep (b) = 8

20. y = 1/2 + 6

Step-by-step explanation:

y = mx + b

y - 2x = 8

y = 2x + 8

18.slope (m) = 1/2
Y - intercept

Mei has 60 milliliters of a solution that is​ 35% nitric acid. How many milliliters of nitric acid does the solution​ contain?
(answer this and show your work please)
The solution contains _answer here_ milliliters of nitric acid.

Answers

Answer:

21ml

Step-by-step explanation:

60ml. 35% acid. What is 35% of 60 ml?

÷10 to find 10%

60÷10=6

6=10%

But this is no use

because you cannot multiply 10%to get 35%

(35% is not a multiple of 10)

So we try...

10%÷2=5%

So ÷2 to find 5%

6÷2=3

So 3=5%

5%x7=35%

So, we do

3x7=21

So 35%=21

Answer:

21ml

Step-by-step explanation:

A bicyclist goes 43.54 miles in 3.5 hours. What is her speed??
PLEASE EXPLAIN WHY!!!!!

Answers

So your answer would be 12.44 because to find speed you need to take her overall miles she traveled and divide it by 3.5 which was how long it took her and that would give you her speed. HOPE THAT HELP!
Divide 43.54 by 3.5
She was going 12.33 miles an hour

Look at the picture.

Answers

Answer:

boi

Step-by-step explanation:

Answer:THE ANSWER IS 3x10^30

Step-by-step explanation:

Pls help
In Ocean City, MD a seagull is flying at 210¾ ft. above sea level and a dolphin is swimming at 329¼ ft. below sea level. What is the distance between the seagull and the dolphin?

Answers

Answer:

I believe the answer is 540* because

Step-by-step explanation:

we start with the fractions, we have 3/4 and 1/4 which makes a whole, to make it easier i added that to 329 to get 330. Then i added 330 to 210 to get 540.

Answer:

six foot 12 is ur answer

Step-by-step explanation:

The ratio of the number of girls to the number of boys in choir is 4 to 5. There are 32 girls in the choir. How many boys are in the choir?

Answers

Answer:

what grade is this

Step-by-step explanation:

8. 32/4 is 8. 1/5 is boys, so no need to multiply. (answer is 8)

please help! i’m having a rough time on this, could someone answer this question?

Answers

Answer:

y= -18

a= -18

Step-by-step explanation:

2y+3 = 3(y+7)

2y+3=3y+21

     -21     -21

2y-18=3y

-2y      -2y

-18=y

(MARKING) How many solutions does this equasion have? -4 - 10n = 8h + 10
ANSWER CHOICES
1. No solutions
2. One solution
3. Infinite solutions
Please answer soon will mark!

Answers

Answer:

infiintie\

Step-by-step explanation:

Answer:

3rd choice is your answer

Step-by-step explanation:

It took 48 minutes to drive downtown. An app estimated it would be less than that. If the error was 20%, what was the app’s estimate? Give detailed steps and explanation.

Answers

Pretty sure that the answer is 57 minutes and 10 seconds.

Answer:

38.4 minutes

Hope this helps!!!

please help I hate imagine math its in the photo ​

Answers

I wish I can help you
I’m so sorry but I have no idea

help meeee please HELPPPPPPPP

Answers

No the mixtures are not the same shade of purple. The reason is because when both mixtures use 21 cups of red paints the original recipe uses 14 cups of blue paint, while the new mixtures uses 15 cups if blue paint, Therefore the New Mixture would be more blue than the Original mixture

Answer:

they are different because the original paint goes 123456 and the new pait goes 246810.

Step-by-step explanation:

hope this helps!

Which of the following equations is equivalent to 3(a + 4) – 5(a – 2) = 22?
-2a + 2 = 22
8a + 2 = 22
8a + 22 = 22
-2a + 22 = 22

Answers

-2a+2=22

3(a+4)-5(a-2)=22
3a+12-5a-10=22
-2a+12-10=22
-2a+2=22

A fruit basket contains only apples and bananas. If there are 8 apples and 13 bananas, what is the ratio of bananas to fruit? Select all that apply. 13:8

Answers

Answer:

The ratio of bananas to total fruit is 13:21

Step-by-step explanation:

Since we already know the amount of apples and pears, we can find the total. 13+8=21, and since we know the number of pears, 13, we can say that the ratio is 13:21.

Answer: 13:21

13:21 is the correct answer I hope it helps

PLS HELP NEEDED TODAY

Answers

A: 4 percent - 4% + 98 = 101.92

B:

Way One: 110 times 0.10 is 11. 110 - 11 = 99
Way Two: 110 times 0.90 is 99

C: yes, it would make sense to switch to company B because they have a lower price after discount.

Which situation represents a proportional relationship?

a
The cost of purchasing a basket of oranges for $1.30 per pound plus $5.00 for the basket.
b
The cost of purchasing grapefruit for $1.80 per pound with a coupon for $1.00 off the total cost.
c
The cost of purchasing apples for $1.75 per pound plus a shipping fee of $0.16 per pound.
d
The cost of purchasing peaches for $7.00 per box of peaches with a delivery charge of $3.00.

Answers

I’m pretty sure it is C? But I’m not 100% sure
I think its either c or d im not sure though but it might be c

Simplify (6^-8)^4 Please help

Answers

Answer:

6⁻³²  (or 1/6³²)

Step-by-step explanation:

(6⁻⁸) ⁴

= 6 ⁽⁻⁸⁾⁽⁴⁾

= 6⁻³²  ( or in fraction form 1/6³²)

Answer:

[tex]\frac{1}{6^{32} }[/tex]

Step-by-step explanation:

If I read the question rights its = [tex](6^{-8} )(^{4})[/tex]

pls help me i dont understand it.....................

Answers

Brainliest pls






To the person above me :)

(03.04 MC) EXPLAIN!!!
Solve for x:
(-3/2)x - 9 = -27

Select one:
a. −24
b. −12
c. 11
d. 12

Answers

This is what the equation looks like: [tex]\frac{-3}{2}x - 9 = -27[/tex]

First, we transpose the terms to the other side. So after transposing [tex]-9[/tex], you get: [tex]\frac{-3}{2}x = -27 + 9[/tex]

Add them and you get: [tex]\frac{-3}{2}x = -18[/tex]

Next we transpose the coefficient of [tex]x[/tex] which is [tex]\frac{-3}{2}[/tex] to the other side, and while doing so the operation changes to a division. When dividing rational numbers, you take the reciprocal so you get: [tex]x = -18 * \frac{-2}{3}[/tex]

Multiply them and you get: [tex]x = 12[/tex]

Therefore, Option D is the correct answer :D

Is the table above proportional or non-proportional?

Answers

Answer: I think you should divide them all and if you get the same answer it’s proportional if you don’t get the same answer it’s non-proportional

Step-by-step explanation:

Answer:

It is non-proportional.

Step-by-step explanation:

The table is non-proportional because it expresses a curved line instead of a straight line.

Other Questions
i need to know where to graph it too 3. Is the relation {(1,2), (3, 10), (2,8), (5,10)} a function?a) yesb) noa The build-up of plaque within the arteries is a sign of what disease?a. Cancerb. Arthritisc. Obesityd. Cardiovascular DiseaseASSAP! William Mcintosh, a half-Scottish and half-Creek chief, and several other Creek signed the first and second Treaty of Indian Springs. As a part of the treaties, Mcintosh... Eliminate A) secured his own county in Georgia's western territory. B)gave up nearly all of the Creek's land to Georgia's state governmentC)guaranteed the Creek's land would be protected from white settlement. D)promised to defend the Creek's ancestral homelands Why do you think Thomas Jefferson responded to British impressment of us with an embargo the auxiliary device used to store large volume of data and program for future is called 1. Identify two reasons why some supporters of the decision consider it a victory for free speech. (2 points) Do you think Jacob Shafter will welcome McMurdoin his house as a lodger?Please help me I this question I will mark you as brainlist summary of beginning of maasi? HELPPPPPPPPPPPPPPPPPPPPPPPPPPPP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE List two demands of the Ciompi rebels in fourteenth-century Florence. In order to maintain homeostasis, the human body must be able to get rid of the waste products produced by cellular processes. The kidneys, for example, are responsible for removing waste from the bloodstream by producing urine. Urine produced in the kidneys then travels through the ureter and into bladder, and is finally expelled from the body by the urethra. The kidneys, ureter, bladder, and urethra help the body maintain homeostasis through the process of what? How many membrane layers cover the nucleus?O A. 3O B. 1O c. 2O D.O During the current year, Tucker had the following personal casualty gains and losses (after deducting the $100 floor): Asset Holding Period Gain or (Loss) Asset 1 18 months ($26,300) Asset 2 2 months 15,780 Asset 3 3 years 32,875 Required:What are the tax consequences of these items to Tucker? Solve m + 3.4 = 2.1. How do I divide decimals? Y-4=-2(x+3)y4=2(x+3)y, minus, 4, equals, minus, 2, left parenthesis, x, plus, 3, right parenthesis Complete the missing value in the solution to the equation. - 2 (k+ 3) > - 2k - 7 PLS HELP ME THUS IS REALLY IMPORTANT ILL MARK BRAINLIEST WHOEVER GIVES ME ANSWER.Do we need a reconstruction now? EXPLAIN WHY OR WHY NOT. Make sure to write at least 2 paragraphs. 1.Amit buys a pair of jeans for $33. He must pay 7% sales tax. He gives the cashier $40. How much change does he receive back?2. Harold buys a backpack that costs $24.80. It is on sale for 25% off. Harold also has a coupon for an additional 10% off the lowest price. What is the final price of thebackpack (not including tax)?3. Sarah buys a book for her music lessons that cost $24. It is on sale for 15% off, and she must pay 5% sales tax. What is the final price of the book?4. Erik buys carrots and dip for a class snack. The carrots are $3.80, and the dip is $2.60. Erik has a coupon for 5% off his groceries. He does not need to pay tax. He gives the cashier $20. How much change does he receive back?5. Liam buys a new TV that cost $360. The TV is on sale for 40% off, and the store is offering an additional 20% off all sale items. How much does Liam save on the TV?