Mathematics Middle School

If a number and a variable are together with no sign between them, what operation does that show?

Answers

Answer 1

Answer:

Multiplication

Step-by-step explanation:

If you were to solve 8x x x, you wouldn't know what that means. So, normal people place variables and numbers together to represent multiplication.

Related Questions

1:What is the value of x

2:what is the measure of angle KJL?

Hurry pls WILL GIVE BRAINLEST

Answers

Answer: x=6

Step-by-step explanation:

Those two angles are supplementary, so added together, they will equal 180.

That being said,

23x+3+6x+3=180

29x+6=180

29x=174

x=6

is the equation. By solving that, you get

x=6

Solve this question.

Answers

i cant see the picture but i need pointss lamaa
Fr same here I need points

Help? Will give brainliest! :D

Answers

Answer:

lol, i think you forgot to post the question, otherwise i would love to help!

Step-by-step explanation:

where’s the question lol

please help me cause I am not very good at math

Answers

Answer:

[tex]m=-2[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Slope Formula (Rate of Change): [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

Step-by-step explanation:

Step 1: Define

Find points from graph.

Point (0, 5)

Point (2, 1)

Step 2: Find slope m

Substitute:                    [tex]m=\frac{1-5}{2-0}[/tex]Subtract:                       [tex]m=\frac{-4}{2}[/tex]Divide:                          [tex]m=-2[/tex]
M = -2 I answered on edge 2020 and this was the right answer

PLEASE HELP ME!!
I'M IN A PRACTICE TEST!!!

Answers

Answer:

the first selection hope thus helps if it is wrong sorry

Help Please this is hard

Answers

Answer:

1) D=1/4C

2) 4D=C its positive because it is above the sea

Step-by-step explanation:

PLEASE MAKE SURE HELP ME!

Answers

Answer:

1. The first problem is wrong, it should be 0.5(3(15) + 2(20)) because the parentheses make sure that every purchased item is being divided by 2 (multiplying by 0.5 is the same as dividing by 2)

2. The second problem is partially correct. The first two answers you have checked are correct, but the last one is wrong. The third answer should be 6 + 12 instead because that's just a simplified version of 2(3) + 6(2), meaning they are equal

3. I cannot read your answers in the "Why or Why Not" column in the third problem, but the answers you gave in the "Evaluate" and "Does It Work?" columns are all correct.

Select all that apply.

Which of the following are equivalent ratios?

Answers

8/12 = 12/16

step by step equation

Answer: a c d この質問は持っているか、尋ねさえしました

Step-by-step explanation:

PLZZZ 15 points and BRAINLIEST
A pharmacist mixes two different strengths of peroxide. If she mixes a 1% with a 9% solution to obtain 60mL of a 4% solution, how many mL of each type of solution does she need?

Answers

Pretty sure it’s 8.4 ml

Explanation:

Add all the percentages=14%

Divide 14% by 60ml
* EX. How to calculate percentage of a number. Use the percentage formula: P% * X = Y
Convert the problem to an equation using the percentage formula: P% * X = Y.
P is 10%, X is 150, so the equation is 10% * 150 = Y.
Convert 10% to a decimal by removing the percent sign and dividing by 100: 10/100 = 0.10.*
You get 8.4ml

In the Central City Grand Prix, out of 30 cars that started the race, 12 of them finished.

PART A: What percent of the cars finished the race?
PART B: What percent did not finish the race?

Explain fully for brainliest

Answers

Answer:

a) 60% finished the race    b) 40% did not

Step-by-step explanation:

if this is useful please make me brainliest

60 fin 40 didnot

**Explanation:** Most of the time, people use percentages to express a fraction or a portion of a whole. In fact, percent literally means "per 100" or "out of 100." So when you see 25 percent, for example, you could read it as "25 out of 100" or "25 per 100 parts." But you can also have percentages that are greater than 100 percent – and when that happens, there's at least one complete whole, or a whole number, hidden in there somewhere.

Please help, Maybelle asked each of the students on her team their favorite color. She organized the results in the circle graph below. If 39% of the students said their favorite color was Green, what angle measure, to the nearest whole degree, was used to make the green sector of the circle graph?

Answers

Answer:

please help

Step-by-step explanation:

whats grade are u

A jar contains only​ pennies, nickels,​ dimes, and quarters. There are 29 ​pennies, 13 ​dimes, and 21 quarters. The rest of the coins are nickels. There are 91 coins in all. How many of the coins are not​ nickels? If n represents the number of nickels in the​ jar, what equation could you use to find​ n?

Answers

Answer:

First Question: 63 coins are not nickels.

Second Question: 63+n=91

Step-by-step explanation:

For your first question: 29+21=50 and 50+13=63. 63 coins are not nickels.

For your second question: You can do 29+21+13+n=91, I just simplified and said 63+n=91. You can choose.

Hope that this helps! Good luck with what you're working on!

Answer:

63 coins are not nickels.

Equation to find n:

91 - 63

Or

91 - n

(Is this right I don't know, I'm trusting my hands right now)

plz save me I need help as sonic

Answers

Answer:

1.Yes

2.Yes

3.No

4.No

5.Yes

Step-by-step explanation:

Just plug in the values of x and y for each set of coordinates.

Example from the first one

4x=y

4(5)=20

20=20 True

make sure all are valid by plugging in the next set of coordinates

4(6)=24

24=24 True

4(7)=28

28=28 True

and so forth with each equation plug in the coordinates

Answer:

1.Yes

2.Yes

3.No

4.No

5.Yes

Step-by-step explanation:

Just plug in the values of x and y for each set of coordinates.

Example from the first one

4x=y

4(5)=20

20=20 True

make sure all are valid by plugging in the next set of coordinates

4(6)=24

24=24 True

4(7)=28

28=28 True

and so forth with each equation plug in the coordinates

2 x 10
i need help pls

Answers

2 x 10 = 20

Geniussss

answer 4 and 5 plzzzzzzzz

Answers

Answer:

#4:so you find out the y and the x next to the 2 and if the answer is 10 you got it right  then you add it to this to the graph.

#5: i think i need help on this one

Step-by-step explanation:

hope this helps

Number 4 was answered already so here is number 5!
The answer is: A: y=50x+20
B: The slope is 50, meaning that it costs $50 per day to put each dog in the kennel in addition to the $20 flat fee.

I need help!!! Please ASAP! Will mark Brainliest if good!

Answers

Answer:

2 ^-2 x 2 ^8 = 64

4 ^4 x 4 ^-3 = 4

3 ^-5 x 3 ^1 = 1/81

Please mark brainliest

Step-by-step explanation:

will the defenders be able to reach the ball carrier explain why or why not plz

Answers

Answer:

if your going based off of the  path that they are taking i say yes because the will meet at the end point or in this case the 1 yard line

Step-by-step explanation:

Identify the DOMAIN for the ordered pairs

Answers

(-∞, -3) u (-3,-1) u (-1,1) u (1, ∞)
A=1 b=1.5c=-1.5d=1 hope that helps

Help me

Which quotient matches the description for 525÷25

using partial quotients?

Step1: Subtract (10×25)

from 525 to get 275.

Step 2: Subtract (10×25)

from 275 to get 25.

Step 3: Subtract (1×25)

from 25 to get 0.

Step 4: Add the partial quotients.

Answers

I believe the answer that the question of step 3 because you divide 525 and 25 you get 21.

HELP ME PLEASE! I NEED HELP, ASAP! THX

Answers

Answer:

6

Step-by-step explanation: so 3x2 is 6 because you have 2 color and 3 different options of shirts.

Answer:

5

Step-by-step explanation:

plz someone help me with this problem

Answers

D

I hope this helps!!!

The floor plan for Jacob's living room is shown below.

What is the area, in square feet, of Jacob's living room?

129


114


181


144

Answers

Answer:

The answer is 129

Step-by-step explanation:

HELP ASAP IM BEING TIMED! THANKS

Answers

Answer:The second

Step-by-step explanation:

Parallelogram: ABCD∼ [tex]A_{1}[/tex] [tex]B_{1}[/tex] [tex]C_{1}[/tex] [tex]D_{1}[/tex] .

Find BC

Answers

I think it’s 3. Because bc is equal to b1 and c1. B1 and C1 is 3 so b and c would also be 3

A submarine descended 500 feet below sea level. It then descended another 275 feet. Write and then evaluate a subtraction expression to determine the new position of the submarine.

Answers

Answer:

-500-275= -775

or

-500+-275=-775

Step-by-step explanation:

you could also do:
0-500-275=-775

What is x+67 when 67=r+8.483 and x=9?
Btw that kid is not me, its my friend, at least i think he is

Answers

Answer:

76

Step-by-step explanation:

x=9, therefore x+67 would be 9+67 which equals: 76

76 hope it helps !!

1. How fast does Amy run?

2. Who runs the fastest

3. How fast does John run?

Answers

1. Amy runs 3 meters per second
2. They both run the same
3. John runs 3 meters per second

Answer:

Well. Amys rate is 3m/s. and John's is 3 m/s.

Step-by-step explanation:

No one runs faster than the other. It's equal. or I just read it completely wrong.

What is 112 / 100 tell me asap

Answers

112/100 is equal to 1.12

Explain step by step how to do 10.25 x .15.

Answers

Answer:

1.5375

Step-by-step explanation:

Multiply without the decimal points, then put the decimal point in the final answer

1025 x 15 = 15375

....

10.25 has TWO decimal places

0.15 has TWO decimal places

Therefore, when you multiply with the decimal points (10.25 x 0.15), the answer should have FOUR total decimal places.

So the answer is 1.5375

Yes that is the answer

Help plz ...............

Answers

Answer: 888

Step-by-step explanation:

Answer:

2.2727 pound of sugar

Step-by-step explanation:

1000 divided by 440

is 2.2727

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