Mathematics College

What is the product of (9)(-9)(-1)? -
81
-1
1
81​

Answers

Answer 1

Answer:

81

Step-by-step explanation:

Answer 2

Answer:

D.81

Step-by-step explanation:

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plz mark me brainliest

Related Questions

Simplify the expression.

7y + 4 + 9 - 2y PLEASE HELP ME MY LIFE DEPENDS ON IT

Answers

Answer:5y+13

Step-by-step explanation:

Answer:

5y+13

Step-by-step explanation:

You add 7y and -2y

and then add 4+9

which is  5y+13

1.Refer to the system of linear equations shown below. Which of the following statements gives the best choice for multiplying to solve this system using the elimination method?
3x−6y=4

6x+11y=−2

(1 point)

Multiply the second equation by 12, so the x-variables are eliminated.

Multiply the first equation by 2, so the x-variables are eliminated.

Multiply the first equation by −11 and the second equation by 6, so the y-variables are eliminated.

Multiply the first equation by −2, so the x-variables are eliminated.
2.Given the following system, what should the second equation be multiplied by so that x is eliminated?

4x−y=9

x+3y=12

(1 point)

13

−4

−13

4
3.Solve the following system by the elimination method.

4x−2y=16

3x+6y=−18

(1 point)

(1, −5)

(3, −2)

(2, −4)

(0, −3)
4.Solve the system by the elimination method.

3x−5y=4

−9x+3y=−24

(1 point)

(8, 4)

(1, −1)

(3, 1)

(2, −2)
5.Manny says he should multiply the first equation in the system of equations below by 3 and the second equation by 2, then add to eliminate x. Is there a more efficient way to solve this system? Explain your answer.

−2x+y=15

3x+4y=−12

(1 point)

No, there isn't a more efficient way to solve this system.

Yes, a more efficient way is to multiply the first equation by 4, add to eliminate y, then solve for x.

Yes, a more efficient way is to multiply the first equation by −4, add to eliminate y, then solve for x.

Yes, a more efficient way is to multiply the first equation by −4, add to eliminate x, then solve for y.

Answers

Tu crois je suis ton chien

A recipe calls for 3 cups of water for every 4 cups of flour.


What is the unit rate of water to flour, written as a decimal?

Answers

It is 0.75 I know that because 3 cups of water divided by four and 4 cups of flour divided by 4 that is 0.75

helppppp meeeeeeeee​

Answers

Answer:

9

Step-by-step explanation:

MOVIES Marcus is a member of a theater club. He pays a monthly fee and his movie tickets are then $5 for an unlimited number of movies that month. The graph shows the cost for each month. Find and interpret the rate of change and the initial value. ​

Answers

Take a picture of you graph so I can assist you

A card is randomly selected out of a standard 52 deck of cards. What is the probability of selecting a queen or a
heart?
Leave your answer as a fraction in lowest terms
​

Answers

Hello,

Answer: 1/52 (Queen) 1/52 (Heart)

Further explaining: A 52 deck of cards has one each of queen and heart. So take the selected card, and plug it into the numerator and the total, (including selected card) and add that into the denominator.
Hope this helps!

José’s mother is trying to decide whether or not she should buy a 12-ounce package of coffee on sale for $7.50. She knows that she can buy the same coffee for $9.00 per pound. Which is the better buy?

Answers

She should chose the $9 because it is cheaper ;)

What is the probability of an event that is impossible?

Answers

Answer:

Step-by-step explanation:

0% because the event is impossible

NEED HELP ASAP!!!!!!!!!

Answers

Answer:

-40

-11

-3

11

15

Step-by-step explanation:

the further your away from zero on the left on a number line the smaller the number gets and the further your away from zero on the right on a number line the greater it gets

Answer:

-40, -11, -3, 11, 15

And that us the answer

Find
how
many times
21
+
9 goes
into 131
2​

Answers

Answer:

it goes in 4 times I rounded up to 30 and 30 times 4 is around there

They earned 12% of 5,000 in sales. How much did they get paid

Answers

Answer: 600

explanation:

12% of 5,000 = 600

Please teach me how to do this?

Answers

Answer:

there where two toy cars that are longer then 8 inch

To make a snack mix, combine 2 cups of raisins with 4 cups of pretzels and 6 cups of almonds. Create a diagram to represent the quantities of each ingredient in this recipe.

Answers

Where the diagram at shorty ?

What is the value of x?

Answers

Answer:

x = 16

Step-by-step explanation:

(x+2) + (7x+2) + (3x) = 180

Add like terms  

7x + x + 3x = 11x

2 + 2 = 4

11x + 4 = 180

Subtract 4

11x + 4 = 180

11x = 176

Divide by 11

11x = 176

x = 16

what is the math question 2/5+?=7/10

Answers

4/7 is the answer to your question

While on vacation in Europe, you go shopping and buy a large LEGO set that weighs 4 pounds. The post office only shows shipping rates in kilograms. About what mass is the LEGO set in kilograms?

Answers

Answer:

,,,,,

Step-by-step explanation:

80 is what percent 300 ( please explain)

Answers

it’s about 26.67%... hope this helps!

(80×100):300=

8000:300=26.67

so 80 percent of 300 is 26.67

I NEED HELP ASAP!!!!

Answers

Answer:

Those all look correct if that's what you are asking

Step-by-step explanation:

PLEASE I NEED HELP WITH MATH!

Answers

Answer:

m<x= 53

Step-by-step explanation:

m<x = m<y

so...

all you do is 180-128= 53

because m<z = m<y too

and the m<z+128=180

-3 + x = x - 3
A.one solution B.no solution C. Infinite solution

Answers

Answer:

c is the answer for the question

Answer:

C. Infinite solution

Step-by-step explanation:

Since, both the equations are same, therefore given equation has infinitely many solutions...


30% of $50 is equal to?

Answers

Answer:

15

Step-by-step explanation:

Zelda rode her bike at a steady rate of 12 miles per hour for 3

Answers

Answer:

36miles

Step-by-step explanation:

Given parameters:

Rate  = 12mph

Time  = 3hr

Unknown:

Distance = ?

Solution:

The given rate amount is the speed. Speed is the distance divided by the time.

It is mathematically expressed as:

         Speed  = [tex]\frac{distance}{time}[/tex]  

    Distance  = Speed x time

    Distance  = 12 x 3  = 36miles

HELP ASAP!!! Question: Write 20 pounds for $4 as a unit rate.

Answers

Answer:

20 pounds divided by 4

Step-by-step explanation:

The answer is 5 because 20 divided by 4 equals 5.

h(t) = -16t2 + 160t + 384 rewrite in factored form

Answers

h(t) = -16t^2 + 160t + 384 Rewritten in factored form is 16(−t−2)(t−12).


Iliana was part of a group that was working on changing 0.ModifyingAbove 4 with bar to a fraction. Each member of the group had a different answer. Which answer is correct?
Two-fifths
StartFraction 4 Over 10 EndFraction
StartFraction 4 Over 9 EndFraction
StartFraction 9 Over 4 EndFraction

Answers

Answer: 4/9

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

edge 2021

10. Doug has added two decimal numbers. His work is shown.
14.2
+ 6.25
7.67
Doug's answer is incorrect. What did he do wrong? What should his sum be?
hurry please .

Answers

Doug didn’t line up the decimals, so his answer would be incorrect. His answer should be 20.45

Which would describe a translation 2 unis left and one unit up

Answers

Answer:

(2, 1) or (1, 2)

Step-by-step explanation:

I not sure :3 I think its most likely (1, 2)

!!!!PLEASE HELP!!!! WILL GIVE BRAINLIEST!!!!

Find the error and explain why it is wrong

(please phrase answer in the form of this sentence: step _____ is incorrect because ______. Instead, you should ____________.

Answers

Answer:

Step C

Step-by-step explanation:

Incorrect Step is C:

-x = y + 3 incorrectx = -y + 3 correct

Shannon spent the day at the mall. She spent $5.75 on earrings and 4 times that amount on a shirt. After shopping, she came home with $7.75 in her wallet. How much money did she take to the mall originally?



A.
$21.00

B.
$28.75

C.
$30.75

D.
$36.50

Answers

The answer is definitely D

please help me out! i’ll give you the brainliest :)
14x - 1/2 (4x + 6) = 3 (x- 4) - 18

Answers

Answer:

x = -3

Step-by-step explanation:

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