Mathematics Middle School

Naomi had a total of 155 apps on her phone. She recognized that 20% of the apps were games. How many game apps did Naomi have on her phone?

Answers

Answer 1

I think it should be 31 apps if game. As 20% of 155 is 31.

Answer 2

Answer:

Step-by-step explanation:

20 x 155= 3100

3100/100 = 31

Related Questions

The table shows the balances of two bank accounts for 3 months. In what month will the balance of Account A be equal to the balance of Account B? I have a pic below

Answers

I do not know the answer

to answer this we can start by making 2 expressions with variables for account a and b
x can represent the number of months and y can represent the account balance
account a: y=35x + 150
this is because the balance starts at $150 and increases by $35 every month
account b: y=15x+450
this is because the balance starts at $450 and increases by $15 every month

now we use substitution (making equations equal to each other) to solve for x, the number of months it will take for the balances to be equal

35x+150=15x+450
-150 -150
35x=15x+300
-15x -15x
20x=300
/20 /20
x=15

On month 15, the balances of both accounts will be equal.

Dan is cutting 4.75-foot lengths of twine from a 249-foot spool of twine. He needs to cut 42 lengths and says that 40.5 feet of twine will remain. Show that this is reasonable.

Answers

To show that Dan's statement is reasonable, we can set up an equation to represent the situation. Let's let x represent the number of feet of twine that Dan has cut.

We can then set up the following equation: [tex]4.75x = 249 - 40.5[/tex]

Solving for x, we find that x = 42. This means that Dan has cut 42 lengths of twine, which is what he said he would do.

Since the number of lengths of twine that Dan has cut and the amount of twine that will remain match what Dan said, his statement is reasonable.

(7.8)¹(5)³
help me please

Answers

(7.8)¹(5)³
=7.8.125
=7000

Answer: 975

Step-by-step explanation:

PEMPAS (solve in this order):
1st solve what's in the parenthesis

2nd solve exponents

3rd solve Multiplication or Division from left to right

4th Add or Subtract from left to right

So:

(7.8)^1 * (5)^3 = 7.8 * 125

(because exponents means how many times a number multiplies by itself, in this case 5^3 is equal to 5*5*5 = 25*5 = 125)

7.8 * 125 =

975

If you found it helpful, please rate

Tyshawn bought a pair of shorts online for $75. He used a coupon code to get a 20% discount. The website also applied a 15% processing fee to the price after the discount. How much was the discount, in dollars and cents?

Answers

The discount was $15.

The discount was exactly 15$

PLEASE HELP ASAP!!!!!!!!!!!!!!!!!

Answers

Answer: x=-6

Step-by-step explanation: 6x=-36 divided both sides by 6. -36/6=-6

Option C is correct

Explanation: The negative is larger than the positive

Brainly pls

Consider the expression 2 6
3
··5 2 127
4
··15 2 1 2
1
··5 .
a. Estimate the value of the expression. Show your work.

Answers

Answer:

I'm sorry ..........

A man has 2,645 coins this year, next year, he got 6,575 coins, how many does he have in all
A. 8,595
B. 9,220
C. 7,805
D. 5,785

Answers

The answer is B.9220

2645+6575

Solve the following inequality. 4x-1> -9

A X<-5/2

B X<-2

C X>-5/2

D X>-2

Answers

Answer:

ANS:- D) x > -2

Step-by-step explanation:

4x -1 > -9

4x > -9 +1

4x > -8

x > -8/4

x > -2

The data below shows the ratio of brown to green crayons in four kindergarten classrooms. 13 to 19 15 to 28 18 to 32 30 to 68 Which table below correctly shows these ratios in a three-column table?

Answers

Answer:

Brown 13 15 18 30

Green 19 28 32 68

Total 32 43 50 98

Step-by-step explanation:

(ik this is rly late im just doing it for a quest lol)

Can someone help, please

Answers

The standard equation is y=mx+b. The "m" in the equation symbolizes the slope. The question's equation is [tex]y=\frac{2}{9} +2[/tex].

[tex]y=mx+b\\y=\frac{2}{9} +2[/tex]

Which value matches the "m"? [tex]\frac{2}{9}[/tex]

Thus, the slope in this equation is [tex]\frac{2}{9}[/tex]

Hope this helped :)

Which of the following sequences represents an arithmetic sequence?

A -5, -3, -1, 1, ...
B -7, -4, 1, 4, ...
C 1, 4, 9, 16, ...
D 2, -4, 8, -16, ...

Answers

Answer:

Step-by-step explanation:

Question

Which of the following sequences represents an arithmetic sequence?

A -5, -3, -1, 1, ...

B -7, -4, 1, 4, ...

C 1, 4, 9, 16, ...

D 2, -4, 8, -16, ...

I believe the correct answer is A.
-5, -3, -1, 1

im tired of typing. sorry mb, the question is in the first picture though!!1 asnwers in the other pic

Answers

the answer is table d

the slope of the graph is 1/3 (rise 1, run 3) and the y intercept is at 0 so the equation of the line is y=1/3 x

if we plug in the x values to the equation, we will get the corresponding y values in the table:
y=1/3(12)=4
y=1/3(15)=5
y=1/3(18)=6
y=1/3(21)=7

chart D becuse on the graph it hits exactly at 3,1 so that means x times 1/3=y

can someone help me????

Subject: Spanish

Answers

Answer:

Tú conversas mucho.

Have a nice day!!

Answer:

Tú conversas mucho.

Under standard atmospheric conditions, water will not remain a liquid if its temperature is less than or equal to 0°C or if it is greater than or equal to 100°C. Suppose you have a cup of water that is room temperature, or 20°C.

a. Write a compound inequality to represent the number of degrees of Celsius c that the temperature of the cup must change to longer be liquid.

Answers

Ur mom

Anyways it would be 74 cilces and 4 farnheight

There are 15 sedans on a used car lot, along with 54 other vehicles.
What is the probability that a randomly selected vehicle will be a sedan?

Write your answer as a fraction or whole number.

Answers

Answer:

5/23

Step-by-step explanation:

54+15=69

15/69=5/23

The Probability of selecting a sedan is 22%.

What is Probability?

Probability refers to potential. A random event's occurrence is the subject of this area of mathematics.

The degree to which something is likely to happen is basically what probability means.

Given that there are 15 sedans and 54 other vehicles, the total number of vehicles on the lot is:

Total number of vehicles

= Number of sedans + Number of other vehicles

= 15 + 54

= 69

So, the Probability of selecting a sedan

= Number of sedans / Total number of vehicles

= 15 / 69

= 5/23

= 0.22

= 22%

Learn more about Probability here:

https://brainly.com/question/32117953

#SPJ2

Evaluate the expression when b=9 4b+10-b
Group of answer choices
47
37
27
17
Pls answer fast thank u!

Answers

Answer: 37

Step-by-step explanation:

4 x 9 = 36

36 + 10 = 46

46 - 9 = 37

Answer: 37

Step-by-step explanation: First insert 9 in the equation

4(9)+10-9

Then do Order of Operations

4x9=36

36+10=47

47-9=37

Hope this helps :)

A store is going out of business. The owner intends to mark-down the merchandise 35% for the first two weeks. What will be the percent expression used to determine the price of each item?

Answers

Answer: 13.65

Step-by-step explanation:

Shawn bought x movie tickets for $8.00 each and y bags of popcorn for $4.50 each. Write an algebraic expression for the total amount Shawn spent.

Answers

Step-by-step explanation:

when you have a problem you can tell me have nice day

$8.00x+$4.50y The x stands for the amount of tickets bought times the price of the ticket. The y stands for the amount of bags of popcorn bought times the price per bag.

Mr. F's bathtub drains at a rate of 2 gallons per minute but fills at 3.5 gallons per minute. After a 4000-calorie dinner, Mr. F forgot to close the drain before filling his 60 gallon tub. How long did it take for the tub to fill? Express your answer in minutes.

Answers

Answer:
40 minutes
Step-by-step explanation:
It will take 40 minutes because if the water drains at a rate of 2 gallons a minute but fills at 3.5 gallons a minute, that will mean that the water will still fill at 1.5 gallons per minute.

If you multiply 1.5 gallons by 20 minutes the tub will be half full with 30 gallons of water so that means if you multiply 20 minutes by 2 it will mean that the tub will have 60 gallons of water and it would have taken 40 minutes to fill.

While Zihao was pooping, Zihao-2 ringed to the door. Find the speed of Zihao to open the door, when toilet is on 25 m in front of the door for 5 sec

Answers

Answer:

Until you wipe

Step-by-step explanation:

Why would you open the door if your still on the toilet and haven't wiped?

(-1.9)⁷/(-1.9)²

help me please

Answers

Answer:

-24.76099

Please vote for Brainliest and I hope this helps!

do this one [tex]x +4+9999999999[/tex]

Answers

Answer:

10000000003x

Step-by-step explanation:

x+4+9999999999

Solution

Given,

or, x+10000000003

Therefore,

Ans=10000000003x

Simplified answer:

x + 100000000003

Step-by-step explanation:

x + 4 + 99999999999 = x + 100000000003

All work must be shown for full credit to be earned. Watch your signs!

7) Solve for x:
-18x = 108

8) Solve for x:
/5 − 7 = 18

9) Solve for x:
-12x - 14 = 34

10) Solve for x and graph the solution set.
Label your number line below with at least 3
numbers.
3(x + 1) ≥ 12

Answers

7) -18x=108. -18/-18x=108/-18 [x=-6]
8) theres no x to solve???
9)-12x-14=34. -12x=48 x=-4
10) 3(x+1)≥12. 3x+3≥12 3x≥9 x≥3

Can someone help, please

Answers

Answer:

slope = 9/5

Step-by-step explanation:

[tex]m=\frac{10-1}{7-2} =\frac{9}{5}[/tex]

Hope this helps

The price of milk increased from $3.25 to $3.75. What is the percent of change for the price of milk to the nearest tenth?

Answers

Answer:

15 % increase

Step-by-step explanation:

there was a 15% increase !

I need help on these 2 questions ASAP

Answers

Answer:

10) c = 87.92

15) c = 272806.34

Step-by-step explanation:

10) radius = 14 in 15) diameter = 86881 mi

c = ℼ × 2 × r c = ℼ × d

c = 3.14 × 2 × 14 c = 3.14 × 86881

c = 87.92 c = 272806.34

Help. I'll mark as brainlist.

Answers

Answer:

SUT and TUS

Step-by-step explanation:

Answer: Angle U, Angle SUT

Step-by-step explanation:

Angle U- the point of the angle

Angle STU- the points of the angle

Evaluate this expression when c = -2 and d = 2:
(c^2+d^2) -2 (c^2-d^2)
A. 0 B. 8 C. -8 D. 16

Answers

Answer: B i hope this helped :)

Step-by-step explanation:

Answer: B!:))

Explanation:

Hope this helps<33!

Can someone help, please

Answers

The answer to this is

(0, -13/10)

__________________________________________________________

To find the y-intercept, substitute in 0 for x and solve for y.

(Like my profile picture)

Answer is -13/10. Reasoning, Becuase y=Mx+B. And the B in Slope intersect form is Y intercept.In easier words the number after the x is going to be your Y intersept

Describe a math tool you could use to determine if a relation is a function. Explain how you would use it. Select all that apply.

Multiple select question

A)
I could use a mapping diagram. If more than one arrow points from an input value to the output values, I know it is not a function.

B)
I could use a straight object like a pencil. If the pencil intersects a graph at more than one point when it is held vertically, I know it is not a function.

C)
I could use a table. If I see that there is more than one output for an input, then the relation is a function.

D)
I could use a straight object like a pencil. If the pencil intersects a graph at more than one point when it is held horizontally, I know it is not a function.

E)
I could use a mapping diagram. If more than one arrow points from an output value to the input values, I know it is not a function.

Answers

Answer:

C, Identify the input values. Identify the output values. If each input value leads to only one output value, classify the relationship as a function. If any input value leads to two or more outputs, do not classify the relationship as a function.

The correct answer would be

C

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