Mathematics Middle School

will mark branliest

equation 9(2j + 5j).

Pick a number from 1 to 10. Use that number to verify your three expressions (the original, the one from 3a, and the one from 3b) are equivalent by substituting it into each expression. Show all your work for complete credit

Answers

Answer 1

Answer:

Step-by-step explanation:

hmuiktheanswer

Related Questions

A number that is 7 more than 3 times x

Answers

not sure what the question is but 3x + 7 is the algebraic expression that would represent this statement.

Answer:

28

Step-by-step explanation:

7 multiplied by 3

is =28

Ben earns $72 per day and $6 for each delivery he makes. He wants to earn more than $155 in a day. What is the LEAST number of deliveries he must make to reach his goal?

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Answer: the least number of deliveries that Ben must make is 14.

Step-by-step explanation:  Given that Ben earns $9 per hour and $6 for each delivery he makes. He wants to earn more than $155 in an 8-hour workday.

We are to find the least number of deliveries he must make to reach his goal.

Let x be the least number of deliveries that Ben must make to reach his goal.

Then, according to the given information, we have

Thus, the least number of deliveries that Ben must make is 14.

Help me with PART B!!! Use image to help!!

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i think it’s 3
i multiplied .2222 times 18

Luis went to the bank he deposited $20 into his savings account and withdrew $40 from his checking account. Write integers to describe both transactions. I'll appreciate any help : 3

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Answer:

Savings Account: x+20

Checking Account:x-40

What is the measure of the unknown angle?

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Answer: 83 is the answer

Step-by-step explanation:

Answer:

83

Step-by-step explanation:

Subtract 97 by 180

Dr. Molar is the best dentist in town. 60% of his paitents are female. He has 120 female paitents. How many paitents does he have in all?

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200. 120 is 60% of 200.

Answer:

200 patients

Step-by-step explanation:

120 =60% means that

2=1%

1% x 100 = 100%

2 x 100 = 200

200 total patients

120 Female

80 Male

Happy Paws charges $16.00 plus $2.50 per hour to keep a dog during the day. Woof Watchers charges $11.00 plus $3.75 per hour. Complete the equation and solve it to find for how many hours the total cost of the services is equal. Use the variable h to represent the number of hours.

Answers

Answer:

Equation: 2.5x + 16 = 3.75x + 11

Hours: 4

Step-by-step explanation:

Hi,

The equation would be...

2.5x + 16 = 3.75x + 11

(To find the solution, you have to set the equations equal to each other)

2.5x is the cost per hour at Happy Paws and the 16 is the charge. For Woof Watchers, the 3.75x is the cost per hour and the 11 is the charge.

Now solve...

2.5x + 16 = 3.75x + 11

Subtract 16 on both sides...

2.5x = 3.75x - 5

Subtract 3.75x on both sides...

-1.25x = -5

Divide by -1.25 on both sides...

x = 4

So at 4 hours, both services will have an equal total of cost.

Hope this helps :)

pls help on all questions- i am terrible at this stuff- i will mark brainly if you answer all! (no need for work btw) PLS HELPPP

Answers

Use photomath I promise it helps!<3
1. After investing for 3 years at 7% interest, your $400 investment will have grown to $490.02
2. After investing for 4 years at 5.60% interest, your $1,200 investment will have grown to $1,492
3. Solving our equation:
r = (1/18)((218/200) - 1) = 0.005
r = 0.005

Converting r decimal to R a percentage
R = 0.005 * 100 = 0.5%/month

Calculating the annual rate
0.5%/month × 12 months/year = 6%/year.

The interest rate required to get a total amount, principal plus interest, of $218.00 from simple interest on a principal of $200.00 over 1.5 years (18 months) is 0.5% per month.

4. Solving our equation:
r = (1/5)((1310/1000) - 1) = 0.062
r = 0.062

Converting r decimal to R a percentage
R = 0.062 * 100 = 6.2%/year

The interest rate required to get a total amount, principal plus interest, of $1,310.00 from simple interest on a principal of $1,000.00 over 5 years is 6.2% per year.

5. Calculation:
First, converting R percent to r a decimal
r = R/100 = 4%/100 = 0.04 per year,
then, solving our equation

t = (1/0.04)((810/750) - 1) = 2
t = 2 years

The time required to get a total amount, principal plus interest, of $810.00 from simple interest on a principal of $750.00 at an interest rate of 4% per year is 2 years.

6. First, converting R percent to r a decimal
r = R/100 = 5.5%/100 = 0.055 per year,
then, solving our equation

t = (1/0.055)((3325/2500) - 1) = 6
t = 6 years

The time required to get a total amount, principal plus interest, of $3,325.00 from simple interest on a principal of $2,500.00 at an interest rate of 5.5% per year is 6 years.

7. Solving our equation:
r = (1/6)((515.75/500) - 1) = 0.00525
r = 0.00525

Converting r decimal to R a percentage
R = 0.00525 * 100 = 0.525%/month

Calculating the annual rate
0.525%/month × 12 months/year = 6.3%/year.

The interest rate required to get a total amount, principal plus interest, of $515.75 from simple interest on a principal of $500.00 over 0.5 years (6 months) is 0.525% per month.

In the figure, angle ABC and angle ADB are each right angles. Additionally, AC = 17.8 units and AD = 5 units. What is the length of segment DB?

Answers

Answer:

DB = 8

Step-by-step explanation:

Δ ADB and Δ BDC are similar so ratios of corresponding sides are equal, that is

[tex]\frac{DB}{DC}[/tex] = [tex]\frac{AD}{BD}[/tex] , substitute values

[tex]\frac{DB}{17.8-5}[/tex] = [tex]\frac{5}{BD}[/tex]

[tex]\frac{DB}{12.8}[/tex] = [tex]\frac{5}{BD}[/tex] ( cross- multiply )

DB² = 64 ( take the square root of both sides )

DB = [tex]\sqrt{64}[/tex] = 8

The length of segment DB is 8 units.

From the given right triangle we can deduce the following;

triangle ABD and triangle DBC are similar triangleslength AC = 17.8 unitslength AD = 5 units

From the corresponding triangle rules, we can calculate the length of DB by considering the following ratios;

[tex]\frac{DB}{DC} = \frac{AD}{DB} \\\\DB^2 = AD\times DC\\\\DB^2 = 5 \times (17.8-5)\\\\DB^2 = 5 \times 12.8\\\\DB^2 = 64\\\\DB = \sqrt{64} \\\\DB = 8 \ units[/tex]

Thus, the length of segment DB is 8 units.

Learn more here: https://brainly.com/question/7194331

NEED HELP ASAP!!!!!!!!! (WILL GIVE BRAINLIEST)

Answers

Answer:

i think B

hope this helps

Step-by-step explanation:

Answer

A i think

Step-by-step explanation:

PLEASE HELP... Find the area of the semicircle. Round your answer to the nearest hundredth.

THE DIAMETER IS 24 INCHES.

area: about [?] inches^2

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It’s not on that file, it’s a scam
It’s not on the file so it is a scam

please help me thanks

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Answer:

First one:

C-Victoria with the pizza

Second one:

Mike ran 2/6 of a mile. Jackson ran for 3/4 times as many miles as Mike. How many miles did Jackson run?

Step-by-step explanation:

I need help ASAP!! Use the image to help as well.

The data in the table represent a linear relationship.

Answers

Answer:

the answer is 30,20,35 in that order

Step-by-step explanation:

Step-by-step explanation:

y=mx +b

b= 5

12.5= 10m+5

10m = 7.5

m= 0.75

y=0.75x +5

..........

at x= 20 , y= 20

at y= 27.5 , x= 30

at x= 40 , y= 35

i know you asked a a few years ago but i hope it helps

Hello can someone’s help me with this?

Answers

Answer:

10 or 100

Step-by-step explanation:

I think it is 10

The answer is 10 because

If you spin the spinner 50 times, what is the theoretical probability you will land on yellow

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The answer is 16 2/3

Suppose you know that ∠S and ∠Y are complementary, and that m∠S = 5(m∠Y) − 150°. Find m∠Y.

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Answer:

∠s + ∠y are complementary

∴ ∠s + ∠y = 90°

∠s = 4(∠y ) -100

s + y = 90

4y - 100 + y = 90

5y = 90 + 100

5y = 190

y = 38

Ans: y = 38°

Andy used to earn $20 an hour to teach piano lessons. He raised his price to $24 per hour. What is the percent increase in his hourly fee?

Answers

Answer:

A 20% increase

Step-by-step explanation:

Andy used to charge $20, now he charged $24. $24, (The new price) / $20, (The old price) = 1.2, now multiply 1.2 * 100 = 120%. Then, 120% from the 100% initial value leaves you with a 20% increase.

The graph of which function is the same as the graph of y = shifted to the right 5 units and shifted
up 2 units?

Answers

Answer:

Step-by-step explanation:

y = 1/(x-5) + 2

y=1/x-5+ 2
hope this helps

Guys plz help me asap i dont get this. also DONT ANSWER FOR POINTS i will report i have lost many points pls DONT. DONT answer if you dont know

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2 is C. I don’t know what 3-4 is but I do know that 5 is D and 6 is A. And the answer to the bonus question is y= (x+2)² -14

Once more
2=C
3=?
4=?
5=D
6=A
BONUS= y= (x+2)² -14
Sorry I couldn’t help more.
Sorry I could figure out all except number 3

Choose an appropriate data display for the distance a person hikes each week.
line graph

circle graph

box-and-whisker plot

stem-and-leaf plot

Answers

Answer:

Stem and leaf plot

Step-by-step explanation:

It’s the stem and leaf plot

Claire deposited $500 into a savings account that earns 2.5% annual simple interest. If she keeps this amount in the account for 2 years, how much interest will she earn?

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Answer:

Claire will earn $25 in interest after 2 years.

Please help me with this
Answer all

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7. Brad drove 4,963,200 yards

You rent 3 DVDs and 4 video games for $25. The following weekend, your friend rents 6 DVDs and 8 video games for $54. Which of the following statements apply?

Answers

May you add the statements so I can identify which one is true

Answer:

Yes, we need the statements to give you an answer.

Step-by-step explanation:

Find the area of a circle that has a radius of 14 feet. Round your answer to the nearest hundredth. [BRAINLIEST]


A = __ ft2

Answers

Answer:

the area of a circle that has a radius of 14 feet

=πr²=22/7×14²=616ft²

If Y = 16 inches, Z = 20 inches, H = 7 inches, and W = 4 inches, what is the area of the object?
A.
320 square inches
B.
220 square inches
C.
150 square inches
D.
168 square inches

Answers

Answer- C, 150 square inches
Explanation:
Area of triangle is 70
Area of the rectangle is 80
Add them together and you get 150

What is the value of model below ?

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Answer:

Yellow represents :

6/7

Red represents :

1/7

Answer:

yellow= 6/7 circles

Step-by-step explanation:

red=1/7 circles

Which of these graphs is the solution set for the equation y = -3x - 2
A
B
C
D

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Solution set for the equation is A

No need to show/explain just need the answer lol

Answers

Answer:

a. -44

b. 32

Step-by-step explanation:

i need more characters so imma show work

((4-10+3(2-3))+2)6-2

((-9)+2)6-2

-42-2

-44

(9+3(2)) + ((6+2(-2))+7)

(9+6)+((10)+7)

15+17

32

Good luck and happy saint p day

Which are equivalent ratios to 1:4?
Check all that are true.

3:12

2:6

4:16

1:5

2:8

Answers

Answer:

3:12

4:16

2:8

Step-by-step explanation:

These are right

a and c i think lolol

awnser this please (source: eureka math) ​

Answers

Answer:

a. 4x = x × 4 while x⁴ = x × x × x × x

b. when x = 2, 4x = 8 and x⁴ = 16

Explanation:

i calculated the answers for b based on the equations in a by substituting 2 into x! hope this helps and you can comment if you need any clarification :D

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