Which equation has the correct sign on the product?

A. (-8)(5) = 40
B. (-19)(-19) = 361
C. (13)(-17) = 221
D. (28)(5) = -140

Answers

Answer 1
Answer: b

Explanation: A and C are wrong because a negative times a positive is a negative
And D is wrong because a positive times a positive is a positive
Answer 2
B would be the correct answer

Related Questions

NO ONE IS HELPING ME PLEASE IM FINNA CRY I SWEAR I BEGGING YOU!!!! THIS IT DUE TODAY and PLZ explain!!!!!
1 question is first image


2 question is second image


3 question is third image

Answers

Answer:

15/18 for the third one

Step-by-step explanation:

answer to question 1 is
1 over 2

What is the equation of this line? Please help I will give extra points and the brain thing.

y=−3x−4/3

y=4/3x−3

y=3/4x−3

y=−3x−3/4

Answers

The equation of this line is y= 3/4x - 3
Because the y intercept is -3 and the slope is rise 3 run 4 making it 3/4. It is a increasing line so it has a positive slope
y=3/4x -3. You find the slope which is rise 3 and run 4 so it’s 3/4. Then the y intercept is already given to you since it’s just where the slope crosses the y axis. Y intercept is -3.

I WILL GIVE BRAINLIEST PLSSSSSSSS
1. A 100-point test has x questions worth 2 points apiece and y questions worth 4 points apiece.

a. Write an equation that describes all possible numbers of questions that may be on the test.

b. If you have 24 questions worth 4 points apiece, how many questions will be worth 2 points apiece?

2. Louise has $36 in five-dollar bills and singles. How many of each type of bill does she have?

a. Write an equation.

b. If Louse has 2 five-dollar bills, how many singles does she have?

3. The Ramy family bought 4 sandwiches and 3 salads. They spent $24. Let x be the cost of a sandwich

and y be the cost of a salad.

a. Write an equation.

b. If each sandwich costs $3.75, how much did each salad cost?

4. The store at which Andy usually shops is having a sale. Roast beef costs $4 a pound and shrimp costs

$10 a pound.

a. Write an equation to describe different possible combinations of Roast beef and shrimp that he can

buy for $96.

b) What is the greatest amount of shrimp he can buy?

5. It will take 20 points to make the playoffs, the hockey team coach told the players. “We get 2 points

for a win and 1 point for a tie.” Let W be the number of wins and T the number of ties.

a. Write an equation to describe the values of W and T that will let the team make the playoffs.

b. If the team wins 7 games, how many tie games will need to occur?

Answers

Answer:

1)A. 50,25 / 2,15   B. 2x+4(24)=100 2=x

Step-by-step explanation:

A. 2x+4y= 100

B. 2x +4(24)=100
2x+96=100
2x=4
x=2 (2 questions worth 2 pts a piece)

2. x= 5$ bills y= singles
a. 5x+y=36
b. 5(2)+y=36
10 + y=36
y=26 (26 singles)
3. x= sandwich cost y=salad cost
a. 4x+3y=24
b. 4(3.75)+3y = 24
15+3y=24
2y=9
y=4.50 (4.50$ per salad)
4: X = pounds of roast beef, y = pounds of shrimp Roast beef = $4 per pound
Shrimp = $10 per pound
a. Total $96
4 + 10 = 96 b. 4(0)+10=96
10 = 96
= 9.6
The most shrimp Andy can buy is 9.6 lbs

A rectangular window is 2 feet by 3 feet. About how long is the diagonal of the window?

Answers

Answer:

3.6 feet

Step-by-step explanation:

The diagonal of a rectangle is a hypotenuse of the triangle with legs equal to sides of the rectangle

Using Pythagoras to find its value:

d = √2²+3² = √13 = 3.6 feet
Since its going by 2 feet by 3 feet we should multiply 3x2 and we get 6 but since 2 and 3 or on Botha sides it’s 3.6

After 8 hours of snow, the temperature dropped by 16 degrees. What was the average change in temperature each hour while it was snowing?

Answers

The weather dropped 2 degrees for every hour is snowed.

Hope this helps!

Answer:

The temperature dropped 2 degrees

Step-by-step explanation:

16 divided by 8

Guys ASAP I need help on this (if you have time can you please feel free to help me on these 2 as well) Its urgent it's a 100 point assignment and I don't want to fail math class.

Question: A marine biologist discovered species with a diameter of 0.00085 inches. Express this measurement using scientific notation.

(the pics are the ones for the 100 point assignment. (i will give a massive amount of points)

Answers

Answer:

Number 3:

For Scientific

10^9

10^7

For Standard

9 x 1000000000

7 x 10000000

Number 4:

For scientific

10^7

10^2

For standard

9.45 x 10000000

2.1 x 100

Number 3 is 3*10^2 for scientific notation and 300 for standard

Number 4 is 4.5*10^5 for scientific notation and 4.5*10^5 for standard

What is matter? Use elements in
your answer.

Answers

Answer:

Matter is anything that takes up space. All matter (aka everything) is made up of atoms. The air that we breathe is matter because it is made up of mainly oxygen atoms, but also other atoms as well. The air also takes up what we would call free space. A wooden desk is matter because it takes up space and is made of oxygen, carbon, nitrogen, calcium, and several other elements and atoms.

matter is anything that takes up space for example water (hydrogen2oxygen) takes up space in our bodies and air(oxygen) takes up space in our lungs

i need to find the inequality and make an equation to graph out of this : Carlos and Clarita want to sell T-shirts with dogs and cats on them. They’ve found two local t-shirt companies. Shirts R Us will charge them a one-time set up fee of $20 and $15/t-shirt. The second company, Tee4U, has a $50 set up fee and charges $12/t-shirt.

Answers

(I mean no need to waste points)

Answer:

Shirts R Us: 15t+20; Tee4U: 12t+50

If you're making a graph, shirts r us will start at (0,20) and will increase by 1 across and 15 up. tee4u will start at (0,50) and increase by 1 across and 12 up.

1. A 1500 kg car starts at rest and speeds up to 3.0 m/s. The gain in kinetic energy is 6750 J.
TRUE or FALSE

Answers

Answer:

Its true. 100%. The other dude got it wrong.

NO ONE IS HELPING ME PLEASE IM FINNA CRY I SWEAR I BEGGING YOU!!!! THIS IT DUE TODAY and PLZ explain!!!!!

1 question is first image


2 question is second image


3 question is third image

Answers

Question 1: 4 1/3

Question 2: -0.5

Question 3: 0.83

Did not specify how these should be done so First is Slope form, the rest are decimal.

Answer:

1)13/3

2)-1/2

3)5/6

Step-by-step explanation:

1) the negatives cancel

2)(3/4)/(9/16) --> (3/4)*(16/9) --> 4/3

3) (4/3) + (9/3) = 13/3

1)-6+4 = -2

2)-1+5 = 4

3)-2/4 --> -1/2

1)8-(5+(3(-4))) = 15

2)4^2 +2 = 18

3)15/18 --> 5/6

(-16) - (-4) and (-16) + 4

A. Equal
B. Not equal

Answers

They are equal

(-16)-(-4)
*negative and negative make a positive

-16+4= -12

-16+4=-12

They both make -12. They both are equal
They are equal
If there are two negatives like 2-(-3) the equation could be rewritten as 2+3

SOLVE ALL THESE FOR BRAINLIEST, FIVE STARS, AND A THANKS!!!!!

Answers

Answer:

gurl that's too much pay attention in class

That’s too many questions sorry










Figure A is a scale image of Figure B. What is the value of x?
figure A 10,x
figure B 25,10

Answers

Your answer is X = 4

BRAINLIEST AND 13 points plz help ASAP
A student writes an incorrect step while checking if the sum of the measures of the two remote interior angles of triangle ABC below is equal to the measure of the exterior angle.
In which step did the student first make a mistake and how can it be corrected?
Step 1; it should be m∠m + m∠n + m∠o = 180 degrees (sum of angles in a triangle)
Step 1; it should be m∠m + m∠n + m∠o = 90 degrees (adjacent angles)
Step 2; it should be m∠o + m∠p = 180 degrees (alternate exterior angles)
Step 2; m∠p − m∠o = 90 degrees (alternate interior angles)

Answers

Answer:

its the 1st step

Step-by-step explanation:

Answer:

The answer is step 3. I got it right on FLVS hope this helps :)

Step-by-step explanation:

Anna has a 1/2 cup of yogurt for making fruit parfaits. Each parfait requires 1/6 cup of yogurt. How many parfaits can she make?

Answers

1/2 with the same denominator as 1/6 would be 3/6

if she has 3/6 yogurt and each parfait uses 1/6, she can only make 3 yogurt parfaits

answer: 3

Answer:

you can make 12

Step-by-step explanation:

If sally reads two books a month , how many moths will it take her to read 20 books?

Answers

Answer:

10 months

Step-by-step explanation:

Ron was a contestant on Jeopardy. He had $700 for his score. He risked $2000 on a daily double and got it incorrect. What is his score now?

Answers

He would have -$1,300

Answer:

-1300

Step-by-step explanation:

$700 - $2000 = -1300

In Mrs. Stone's class, 18 out of 22 students turned in their homework on time. What percent of the class turned their homework in on time? Round your answer to the nearest 10th place.

Answers

Answer:

81.8%

Step-by-step explanation:

please mark as brainliest

percent of the class turned their homework in on time is 81.82%.

What is percentage?

A percentage is a number or ratio that can be expressed as a fraction of 100.

here, we have,

given that,

In Mrs. Stone's class, 18 out of 22 students turned in their homework on time.

now,

the  percent of the class turned their homework in on time is,

18/22 * 100

=81.82%

hence,  percent of the class turned their homework in on time is 81.82%.

To learn more on percentage click:

brainly.com/question/13450942

#SPJ2

Destiny is doing a science fair project about ant population growth. She has a very young ant colony, and to estimate the population, she captures 25 ants and marks them with special paint. Destiny then releases them into the colony, waits a few days, and then captures 240 ants. She notices that 10 of these ants are marked. To the nearest whole number, what is the best estimate for the ant population?

Answers

Answer:resume  

Step-by-step explanation:

step by step u measure

Resume because you have to do step by step

Put the numbers in ascending

Answers

Answer:

? what numbers

Step-by-step explanation:

Answer:

Where are the numbers?

Step-by-step explanation:

Put it in the comments and i'll answer it there...

Brainliest Plsss!!!

simplify -4/3 divided by 2/-6

Answers

Answer:

59.8

Step-by-step explanation:

59.8 step by step explain is i did it on a peace of paper

An alloy is composed of nickel, zinc, and copper in a 5:4:8 ratio. How many kilograms of each metal are needed to make 3.4 kg of this alloy?

Answers

Answer:

5x+4x+8x=3.4

17x=3.4

x=0.2

Nickel 1 kg

Zinc 0.8 kg

Copper 1.6 kg

Answer:

1kg of nickel, 0.8kg of zinc, and 1.6kg of copper

Step-by-step explanation:

thank me later

Which of the following best shows the associative property of addition?
a.4 + 5 = 9
b.(4 + 5) + 2 = 4 + (5 + 2)
c.4 + 5 + 2 = 2 + 5 + 4

Answers

Answer:

The answer is C: 4 + 5 + 2 = 2 + 5 + 4

Step-by-step explanation:

This is an example of the associative property of addition because the associative property of addition is described as any equation, that despite in what order your shift your equation to, the answer will stay the same. And as C shows, 4 + 5 + 2 will be rearranged to 2 + 5 + 4 and would still get the same answer, which would be 11.

The associative property of addition is represented by (4 + 5) + 2 = 4 + (5 + 2). The correct option is B.

What is associative property?

Rearranging the parenthesis in an expression will not change the outcome since some binary operations in mathematics have associative features.

The associative property is shown by the expression (4 + 5) + 2 = 4 + (5 + 2).

Solving the right-hand side:-

(4 + 5) + 2 = 9 + 2

(4 + 5) + 2 = 11

Solving the left-hand side:-

4 + (5 + 2) = 4 + 7

4 + (5 + 2) = 11

Therefore, the associative property of addition is represented by (4 + 5) + 2 = 4 + (5 + 2). The correct option is B.

To know more about associative property follow

https://brainly.com/question/13181

#SPJ2

At a carnival booth, Cindy spent 6 minutes on each face she painted. Which equation best represents the linear relationship between x, the number of faces Cindy painted, and y, the total amount of time she spent painting the faces?

Answers

Answer: 6x = 1y

Step-by-step explanation: 6x (x = minutes) 1y (y = face)

Cindy would paint 24 faces

Your lunch cost $18.50 for food and $1.48 for tax.
SOLVE A,B,C
a. Find the percent of sales tax on the food total. __.
b. Find the amount of an 18% tip on the food total. __.
c. How much do you pay for your lunch? __

Answers

Answer:

21.83

Step-by-step explanation:

a.19.98

b.21.83

c.23.31

this is what i got A. 7.98 B. 3.33 C 19.98 hey what do i know i’m just someone definitely not failing but i used a calculator so trust me on this one

plz help me and plz show work 9.

Answers

the answer is no solution.
answer is no solution!

Which equation has the correct sign on the product?

A. (-9)(-9) = -81
B. (-12)(4) = 48
C. (31)(-10) = -310
D. (26)(3) = -78

Answers

Answer:

C. (31)(-10) = -310

Step-by-step explanation:

A. (-9)(-9) = -81

negative times a negative is a positive  incorrect sign

B. (-12)(4) = 48

negative times a positive is a negative incorrect sign

C. (31)(-10) = -310

positive times a negative is a negative correct sign

D. (26)(3) = -78

positive times a positive is a positive  incorrect sign

Answer:

C. (31)(-10) = -310

Step-by-step explanation:

This equation has the correct sign, because multiplying a positive number and negative number gives you a negative number.

The other answer choices have the wrong signs.

Multiplying 2 negatives together gives a positive, so A is wrong.

Multiplying a negative by a positive gives a negative, so B is wrong as well.

D is wrong because multiplying 2 positive numbers gives a positive number.

So, C is correct.

hallllllllllllllllllllp

Answers

Answer:

first one is the multiplicitive property of equality, second one is 42/18, third is 63/3 = m/7, and the last one is 11.0 inches

It’s the first option (;

Translate the phrase into an algebraic expression.
The difference of y and 8

Answers

Answer:

8-y

Step-by-step explanation:

Answer:

y - 8

Step-by-step explanation:

difference = subtraction

If p + 9 = 25 and p = q, then q + 9 = 25.

Which property did Michaela show?
symmetric property of equality
multiplication property of equality
substitution property of equality
reflexive property of equality

Answers

The answer it’s 16 because when you supract 25 by 9 it’s will give you 16 and the p =q so q also 16
The correct answer is C) substitution property of equality.

Michaela knew that is she substituted q for p, it would still be the same equation just a different variable.

Hope this helps!
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