What is the value of 9 + 21 (13 + 5)?
287
395
387
540
plus brainlyest and im being timed

Answers

Answer 1

Answer:

540

Step-by-step explanation:


Related Questions

36 is 25% of what number?

Answers

Answer:

36 is 25% of 144

Step-by-step explanation:

25% means 25/100 or 1/4. Thus, 36 is 1/4 of 36*4 = 144

Answer:

144

Step-by-step explanation:

Help me solve this!!!!!!!!!

Answers

Answer:

the answer is 42 if im right mark brainliest

how do u solve this?​

Answers

Answer:

x=3[tex]\sqrt{2}[/tex] by using pythagoras therom

Step-by-step explanation:

Which type of activity does Jeff do at a speed of 4.5 point, 5 miles per hour?

Answers

Answer:

Swimming

Step-by-step explanation:

The type of activity that Jeff does at a speed of 4.5 miles per hour is Swimming

If this was helpful, please mark brainliest. Have a beautiful day.

The science center has 200 people in attendance on Monday. The center expects Saturday’s attendance to be 140 percent of Monday’s attendance. Natasha is trying to figure out how many people will be in attendance. Her work is shown below. StartFraction part Over whole EndFraction = StartFraction 140 Over 100 EndFraction StartFraction 140 divided by 2 Over 100 times 2 EndFraction = StartFraction question mark Over 200 EndFraction 140 divided by 2 = 70 70 people will be in attendance. What mistake did Natasha make? Natasha should have multiplied 140 by 2. Natasha should have divided 100 by 2. Natasha should have added 140 and 200. Natasha should have multiplied 140 and 200.

Answers

Answer:

A

Step-by-step explanation:

I did math

Answer:

a

Step-by-step explanation:

hope yall have a good day going back to school

Write 1.25 as a fraction. Quick. I'm using my older sisters account.

Answers

Answer:

1 1/4

Step-by-step explanation:

Log. 216 = Y
Solve for Y

Answers

Y=2.33445 hope this helps

Lili runs a small day care business, caring for 3 children.
• She earns $150 during regular work hours.
• She charges $0.50 for each minute parents are late.
The situation is represented by the equation below, where t is the total
dollar amount Lili earns each day and m is the total number of minutes
parents are late.
t=150 +0.5m
Which of the following solutions shows an amount of money Lili can
reasonably expect to earn each day?

Answers

Answer:

$150

Step-by-step explanation:

[tex]t=150 + 0.5m\\t=150+0.5*0\\t=150[/tex]

This is as we don't know how often the parents are late, nor if they are late. So we assume that the parents are never late.

On Monday, Florencia's hair was h centimeters long. She got a haircut on Tuesday, so her hair was only 75% percent of the length it was on Monday.
Which expressions could represent how many centimeters long Florencia's hair was after the haircut?

Answers

What is h?

maybe 25%

i hope it helped you sorry if it didn't

Answer:

25%

Step-by-step explanation:

20 points to answer and extra if it’s right!

Answers

Answer:

C

Step-by-step explanation:

Money lost. Keyword "lost". Ages, people, and height can't be negative. ( I guess people can be negative mentally but not physically)

Does the table represent a function? Then represent
the relationship using words, an equation, and a
graph.

I need crucial help!

Answers

Answer:

This table represents a function

y is 1.3 times x

y=1.3x

Step-by-step explanation:

PLEASE HELP OMGG plssssssssss

Answers

Answer:

B

Step-by-step explanation: i htink thats the anwser

PLEASE HELP 4. The Buff City Soaps in Arlington is counting how many soaps and bath bombs they sell in a given day. In total, they sold 33 bath products. The number of soaps they sold was one more than three times the number of bath bombs. WRITE THE SYSTEM OF EQUATIONS.​

Answers

Answer:

33 = x + (3x + 1)

x = bath bombs

So 3x is three times as many bath bombs, then the plus one makes it so that the soaps sold is more than three times the amount of bath bombs sold

HELPPPPPPP I WILLL GIVE THE BRAINLIESTTTTTTTTTTTT


At Open Skate Night, admission is $4.50 with a membership card and $5.00 without a membership card. Skate rentals are $2.00.

Aidan paid the admission for himself and two friends at Open Skate Night. Aidan had a membership card, but his friends did not. Aidan paid with a $20 bill. How much change should Aidan receive?

Aidan should receive
$_________ in change.

Answers

Answer:

50 cents

Step-by-step explanation:

4.50 + 5.00 + 5.00 + 2.00 x 3 = ?

                                                   ^

                                       20.00 - ?

Joseph ran LaTeX: 2\frac{3}{4}2 3 4 miles in LaTeX: \frac{2}{5}2 5 of an hour. How fast did Lin run in 1 hour? (try to leave your answer in a fraction) Nathaniel ran LaTeX: 8\frac{2}{3}8 2 3 miles in LaTeX: \frac{4}{3}4 3 of an hour. How fast did Nathaniel run in 1 hour? (try to leave your answer in a fraction) Who ran the fastest, Nathaniel or Joseph?

Answers

Answer:

Nathaniel ran fastest

Step-by-step explanation:

For Joseph

Joseph ran 2 3/4 miles 2 /5 of an hour.

Speed = Distance/Time

Speed = 2 3/4 miles ÷ 2/5 hour

= 11/4 ÷ 2/5

= 11/4 × 5/2

= 55/8 miles/hour or 6.875 miles/hour

How fast did he run in 1 hour? (try to leave your answer in a fraction)

Hence, this is calculated as:

2/5 hour = 55/8 miles per hour

1 hour = x

Cross Multiply

x = 55/8 ÷ 2/5

x = 55/8 × 5/2

x = 275/16 miles per hour

x = 17 3/16 miles per hour

Nathaniel ran LaTeX: 8 2/3 miles in 4 /3 of an hour. How fast did Nathaniel run in 1 hour? (try to leave your answer in a fraction)

Speed = Distance/Time

Speed = 8 2/3 miles ÷ 4/3hour

= 26/3 ÷ 4/3

= 26/3 × 3/4

= 26/4 miles/hour

How fast did he run in 1 hour? (try to leave your answer in a fraction)

Hence, this is calculated as:

4/3 hour = 26/4miles per hour

1 hour = x

Cross Multiply

x = 26/4 ÷ 4/3

x = 26/4 × 3/4

x = 78/16 miles per hour

x = 4 14/16 miles per hour

= 4 7/8 miles per hour

Who ran the fastest, Nathaniel or Joseph?

Hence, from the calculation above, Nathaniel ran fastest

Practice Math Class
9 / 3= 3

Answers

Answer:

yes that is correct

Step-by-step explanation:

Well duh...............

Urgent please help, I will truly be grateful

Answers

Answer:

I can barley see it but i think i know what to do.

Step-by-step explanation:

First i have to write down on a piece of paper:D

g(x)=x+2 graph the parent function

Answers

Answer:

Step-by-step explanation:

The sales price is $30 but the original price was $40. What is the percent of change or the sales percent?


There is an item that cost $30 is now selling for $40. What is the marked up percent of change?

Answers

Answer:

10%

Step-by-step explanation:

Answer:

33.3%

Step-by-step explanation:

40-30=10

10/30=.333 (33.3%)

Which graph describes the relation {(3, –1), (1, –2), (–3, –2), (5, –5)}?

Answers

This is the coordinates graphed , good luck


The expression - 370 + 15z represents a submarine that began at a depth of 370 feet below sea leve
and ascended at a rate of 15 feet per minute. What was the depth of the submarine after 5 minutes?

Answers

Answer:

The depth of the submarine was 295 feet

Step-by-step explanation:

Function Modeling

The following expression models the depth of a submarine that began at -370 m and ascended at 15 ft/minute:

d = -370 + 15z

Where z is the time in minutes.

We are required to find the depth of the submarine at t=5 minutes. Substituting t=5 into the function model:

d = -370 + 15(5)

d = -370 + 75

d = -295 feet

The depth of the submarine was 295 feet

what is 10m-2?
Variables are really hard for me so if anyone can help me with this problem that would be really great

Answers

Answer:

tytyty

Step-by-step explanation:

-1/4 [p+16]=2 help me pls

Answers

Answer:

6p

Step-by-step explanation:

two times the sum of a number and 22 is atleast -28

please hurry

Answers

Answer:

-6

Step-by-step explanation:

Mark me as brainliest

Find the slope of the line containing the points (-2,5) and
(-2,0).

Answers

Answer:

undefined

Step-by-step explanation:

Andre and Diego were each trying to solve `2x+6=3x-8`. Describe the first step they each make to the equation.



The result of Andre's first step was `-x+6=-8`.

Answers

He subtracted 3x from both sides. the next step would be to subtract 6 from -8 which would leave you with -x=-14 now you divide -14 by -x (-1) and you’ll get 14. x=14

Find an expression for the nth term (tn) in each of the following sequence:

2, 6, 10, 14, 18…

Answers

Answer:

The answer is 34

Step-by-step explanation: I just have a big brain

Answer: [tex]t_n = 4n - 2[/tex]

===========================================

Work Shown:

The first term is a = 2 and the common difference is d = 4, since we're adding 4 to each term to get the next term.

[tex]t_n = \text{nth term of arithmetic sequence}\\\\t_n = a+d(n-1)\\\\t_n = 2 + 4(n-1)\\\\t_n = 2 + 4n - 4\\\\t_n = 4n - 2[/tex]

Which is the answer.

--------------------------------

If you were to plug in say n = 3, then we get

[tex]t_n = 4n - 2\\\\t_3 = 4(3) - 2\\\\t_3 = 12 - 2\\\\t_3 = 10[/tex]

showing that 10 is the third term, which matches with what the original sequence shows. I'll let you check the other values of n to fully confirm the answer.

given the equation 2^2-^1=8^x-1 what is the value of x

Answers

Answer:

i can't solve it because it's not complete

you need something 2^2 (right here) -^1=8^x-1

Step-by-step explanation:

HEY CAN ANYONE PLS ANSWER DIS MATH QUESTION!!!

Answers

Answer:

The answer would be A

Step-by-step explanation:

900 × 90 = 81000

So she has $900 which is equivalent to 81000 yen

Hope this helps!

Determine whether the relation is a function. (2, -3), (3, 2), (4,7), (5, 14), (6,23)
A. yes
B. no

Answers

Answer:

The Relation is not a function

Step-by-step explanation:

When graphed, the points do not make a straight line

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