please help me I want to get a good grade so my mom can appreciate me :D!

Please Help Me I Want To Get A Good Grade So My Mom Can Appreciate Me :D!

Answers

Answer 1

Answer:

The unit rate is 1.5

Step-by-step explanation:

Given

[tex]Ratio = 4/7 : 8/21[/tex]

Required

Determine the unit rate

To do this, we need to express the ratio as:

[tex]Ratio = m : 1[/tex]

Where m is the unit rate

[tex]Ratio = 4/7 : 8/21[/tex]

Express as fraction

[tex]Ratio = \frac{4/7 }{ 8/21}[/tex]

Solve

[tex]Ratio = \frac{4}{7} * \frac{21}{8}[/tex]

[tex]Ratio = 1.5[/tex]

Express as ratio

[tex]Ratio = 1.5 : 1[/tex]

Hence, the unit rate is 1.5


Related Questions


A commission is a fee paid to a salesperson based
on a percent of sales. Suppose a salesperson at a
jewelry store earns a 6% commission. What
commission would be earned for selling a ring
that cost $1300 dollars?

Answers

Answer:78

Step-by-step explanation:

1300x0.06=78

The commission by the salesman on the jewelry is $78.

What is commission?

A sales commission is a sum of money paid to an employee upon completion of a task, usually selling a certain amount of goods or services.

Given that, a salesperson at a jewelry store earns a 6% commission. The worth of the jewelry is $1300

The commission on the jewelry =

6% of $1300

= 1300 × 6 / 100

= 13 × 6

= 78

Hence, he earned $78 as commission.

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PLEASE HELP! WILL GIVE BRAINLIEST! After substituting, what is the first step when evaluating 4y+9 when y=82 O Add 4 and 9. O Multiply 8 by 4. O Divide 9 by 7 O Divide 4 by 7.​

Answers

Answer:

The answer is c

Step-by-step explanation:

what is the slope line according to the image

Answers

1/2 is the correct answer

The diameter of a circle is 14cm. Which TWO statements are correct?

A


Answers

Answer:

(a) and (e)

Step-by-step explanation:

Given

[tex]d = 14cm[/tex]

Required

Select the true statements

First, is a statement about the area.

The area is calculated as:

[tex]Area= \pi*\frac{d^2}{4}[/tex]

So, we have:

[tex]Area= 3.14*\frac{14^2}{4}[/tex]

[tex]Area= 3.14*49[/tex]

(a) is true

Next, is a statement about the circumference.

This is calculated as:

[tex]C = \pi d[/tex]

So, we have:

[tex]C = 3.14 * 14[/tex]

(e) is true

write an equation for the nth term of the arithmetic sequence. Then find a40.

1/4,1/2,3/4,1,...​

Answers

Answer:

The nth term is: [tex]a_n = \frac{1}{4} + \frac{1}{4}(n-1)[/tex]

a40 = 10

Step-by-step explanation:

Arithmetic sequence:

In an arithmetic sequence, the difference between consecutive terms is always the same, and this difference is called common difference.

The nth term of a sequence is given by:

[tex]a_n = a_1 + (n-1)d[/tex]

In which [tex]a_1[/tex] is the first term and d is the common difference.

1/4,1/2

This means that:

[tex]d = \frac{1}{2} - \frac{1}{4} = \frac{2}{4} - \frac{1}{4} = \frac{1}{4}[/tex]

1/4

This means that [tex]a_1 = \frac{1}{4}[/tex]

The nth term is:

[tex]a_n = a_1 + (n-1)d[/tex]

[tex]a_n = \frac{1}{4} + \frac{1}{4}(n-1)[/tex]

Then find a40.

[tex]a_{40} = \frac{1}{4} + \frac{1}{4}(40-1) = \frac{1}{4} + \frac{39}{4} = \frac{40}{4} = 10[/tex]

So

a40 = 10

Heeeeeelp! I’m literally so behind

Answers

Answer:

That would be 9 my good sir ( or ma'am )

Step-by-step explanation:

basicly round the 61 so that there would not be a remainder and divide 54 by 6 you will get 9, so therefore the same case is for 540 by 60.

Have a nice day

24.. A toy company makes 40 plastic harmonicas in 30 minutes. At this
rate how long will it take to make 200 harmonicas?
Proportions

Answers

Answer:

It will take 2 and a half hours

Step-by-step explanation:

Well 40 can go into 200 5 times so you would do 5 times 30 minutes which would be 150 minutes and then you would divide it by 60 to simplify which would be 2 hours and 30 minutes. So it will take 2 and a half hours to make 200 harmonicas.

200/40 = 5

5 * 30 = 150

150/60 = 2 hours and 30 minutes

Answer:

6.7 minutes

Step-by-step explanation:

From what we know, we will have to divide. The things we are dividing are the 30 minutes it took to make the 40 plastic harmonicas and the total we need of harmonicas, which is 200. By dividing 200 by 30, we get 6.666666666666667. But, we can't have that long answer, so we need to round up. Which is when we get our quotient of 6.7 minutes. If I'm wrong, please, don't be afraid to correct me. And have a good day stranger!

Edit: This answer is wrong. I was corrected and now I know what the answer is. Please do avoid this answer. But have a good day to anyone sees this!

Find the volume.
PLEASE HELP I WILL GIVE BRAINLIEST TO THE RIGHT ANSWER

Answers

the answer is 1,944. the formula of volume is length times width times height

Maria's earns $1700 per month and gets a commission rate of 15% of the jewelry she sells. If she sold $23000 worth of jewelry this month, what is her montly earnings?

Answers

Answer:

$5150

Step-by-step explanation:

1700+0.15(23000)

$5150

A positive angle less than 360 that is coterminal with -725 degrees is

Answers

The angles number would be 230

The positive angle is less than 360 which is coterminal with -725 degrees is  85 degrees.

What are Coterminal Angles?

Coterminal angles are those with the same beginning side and the same terminal sides. These angles are in the typical position, although their values differ. They have the same sides, are in the same quadrant, and their vertices are identical. The endpoint sides coincide at the same angle when the angles are rotated clockwise or anticlockwise.

An angle that is coterminal with -725 degrees is an angle that has the same initial and terminal sides as -725 degrees, but its measure is between 0 and 360 degrees.

To determine a positive angle less than 360 that is coterminal with -725 degrees, we can add or subtract multiples of 360 from -725 degrees until we get an angle within that range.

In this case, -725 degrees - (2 x 360) = -725-720= -1445.

So, the positive angle less than 360 that is coterminal with -725 degrees is -1445 degrees + 360 = 85 degrees.

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Selena is a freelance graphic artist who charges $65 per hour for her services. A client paid her $195 for her last project. The equation below represents this situation.

65h = 195

For how many hours did Selena work on that project?

Answers

Answer: 3 hours

Step-by-step explanation:

195/65=3

Answer:

3

Step-by-step explanation:

$195 divided by $65 is 3 hours of work

Solve for x
A) 8
B) 10
C) -11
D) 5

Answers

Answer: A)8


Since the angle that equals 80 degrees is the same as the angle that equals 9x+8 that means you have 9x+8=80

9x+8=80
-8 -8
9x=72
- -
9 9
X=8
A) 8

80=9x+8
Minus 8 on each side
72=9x
Divide each side by 9
8=x

Roy collected 30 Avenger stickers. He gave 3/5 of them to her friends. How many stickers did he give to his friends

Answers

Answer:

29.4

Step-by-step explanation:

then convert to whole number

According to the graph, where was Diego when he was going the slowest during the race?

Answers

Answer:

Excuse Me, I believe you forgot to put your picture in your question! I would highly recommend reposting your question for the desired answer(s) that your looking for!

Have a GREAT day!

Yours Truely, TheAnimeCatUwU

Answer:

https://brainly.com/question/22920148?answering=true&answeringSource=feedPublic%2FhomePage%2F1

Step-by-step explanation:

determine the point-slope form of the line with slope -7 that intersects the point (5,23)

Answers

Answer:

y=-7x+58

Step-by-step explanation:

What are the first three terms of the sequence defined by the following equation?

an = 2 • (-3)n - 1.

Answers

Answer:

-7, -13, -19

Step-by-step explanation:

plug in 1,2, and 3 into the part of the equation "n".

Answer:

a1 = -7

a2 = - 13

a3 = - 19

Step-by-step explanation:

n = 1

a1 = 2*(-3)*1`- 1

a1 = -6 - 1

a1 = - 7

n=2

a2 = 2(-3)*2 - 1

a2 = -12 -1

a2 = - 13

n3 = 2(-3)*3 - 1

n3 = -18 - 1

n3 = -19

Each term is - 6 away from the previous one.

A philanthropic organization helped a town in Africa dig several wells to gain access to clean water. Before the wells were in place, an average of 120 infants contracted typhoid each month. After the wells were installed, the philanthropic organization surveyed for nine months and found an average of 90 infants contracted typhoid per month. Assume that the population standard deviation is 40 and the number of infants that contract typhoid is normally distributed. Specify the null and alternative hypotheses to determine whether the average number of infants that contract typhoid has decreased because the wells were put in place.

Answers

Answer:

H0 : μ = 120

H1 : μ < 120

We Can conclude that the number of infants that contract typhoid has reduced because the wells were put in place.

Step-by-step explanation:

Average Number of infants who contracted typhoid monthly = 120

Average Number of infants who contracted typhoid monthly after well installation = 90

The null and alternative hypothesis :

H0 : μ = 120

H1 : μ < 120

Obtain the test statistic :

(Xbar - μ) ÷ s/sqrt(n)

(90 - 120) ÷ 40/sqrt(9)

-30 ÷ 13.3333

= - 2.25

The Pvalue at 95% confidence, df = n-1 = 9 - 1 = 8

Tcritical at 95%, df = 8 ; one tailed = 0.02728

Decision region :

Pvalue < α ; Reject H0

0.02728 < 0.05 ; Hence, we conclude that there is significant evidence that the average number of infants that contract typhoid has decreased because the wells were put in place.

What is the approximate average rate of change of the function f(x) = -20(1.3)x^
over the interval 1.2 _< x _< 2.7?

Answers

Answer:

c

Step-by-step explanation:

How would you decide whether or 5 or 595 is greater?​

Answers

Answer: 595 is greater.

So let’s analyze both numbers-

595 is a 3 digit number meaning it goes up to
the “hundred” place.

5 is a 1 digit number meaning it only goes up to the “ones” place.

From there you should be able to tell the greater number.

Answer:

Well, the number 595 is exceptionally larger. You would be able to tell by simply subtracting 595 and 5 and you would get 590 leaving you with answer. 595 is greater

Step-by-step explanation:

I just need help with this is anyone can help I would be happy Thx

Answers

Answer:

24 sq cm

Step-by-step explanation:

the big square is 20 and the small one is 4

The answer is 24
5•4=20
2•2=4
20+4=24.
I hope that’s help





Due in 10 min plz help

Answers

Answer:

9 cm

Step-by-step explanation:

Answer:

9cm

Step-by-step explanation:

Sarah earned $12 per hour babysitting.
Sarah babysits 15 hours each week.

she receives a 7%pay increase.
How much more money will Sarah earn each week
after the pay increase?

Answers

Answer:

She makes 192.6$$

Step-by-step explanation:

Find the measure of <5.
45 = [?]
69%
25

Answers

Answer:

Solution given:

<5+69°=180°[co- interior angle]

<5=180°-69°=111°

<5=111°

How to solve (x+7)(x-9)>0

Answers

9514 1404 393

Answer:

  (x < -7) ∪ (x > 9)

Step-by-step explanation:

The zeros of the function are the values of x that make the factors zero.

  x +7 = 0   ⇒   x = -7

  x -9 = 0   ⇒   x = 9

When this is expanded, we can see that the leading coefficient is positive.

  x² -2x -63 > 0

This means the parabola opens upward. It will be greater than 0 for x-values to the left of the left zero, and to the right of the right zero. (It is less than zero between those values.)

The solution is x < -7 or x > 9.

_____

In general, for polynomial inequalities, look for the locations of the zeros. The sign of the polynomial will have the sign of the leading coefficient for values of x to the right of the right-most zero. (Here, positive for x > 9.) As you progress farther to the left along the number line, the polynomial changes sign at each zero.

Here, the polynomial becomes negative between the values x=9 and x=-7. Then it is positive again for x < -7.

2
Sierra's ice cream shop made $45 before she had to close early when the power went out. She realized she lost ſ of
a dollar each hour when the shop was closed. The expression that models this situation is 45 - an what was Sierra's
profit if the shop was closed for 6 hours?
$24
O $36
O $41
$49

Answers

Answer:

if shes losing 2/3 each hour, the her profit would be 41.

Step-by-step explanation:

2/3 x 6 is 4, 45 - 4 is 41.

The correct answer is 41$

-4.5 + 4.4 + ____ = 0
What’s missing?
-6.7 + 6.8
-6.7 + (-6.6)
7.2 + (-7.2)
7.2 + (-7.3)

Answers

Answer:

-6.7+6.8

Step-by-step explanation:

‐4.5+4.4+x=0====> -0.1+x=0===> x= 0.1

so we are looking for the choice with the answer of 0.1

-6.7+6.8=0.1✔

-6.7+(-6.6)= -13.3❌

7.2+(-7.2)=0❌

7.2+(-7.3)=(-0.1)❌

Gerri is working on a project that needs to be halfway completed by Friday. So far, she has completed of the project. How much of the project does she have to finish by Friday?

Answers

Answer:

So far Gerri is 1/3 complete and needs to be 1/2 complete by Friday. In order to find how much needs finished by Friday, we subtract the fractions.

1/2 - 1/3

1/2 + (-1/3)

3/6 + (-2/6)

(3+(-2))/6

1/6

Hope this helps

Roseanne drew a circle with a radius of 20.2 cm. What was the approximate circumference of the circle if you use 3.14 for ?


A. 63.428 cm
B. 126.856 cm
C. 126.956 cm
D. 253.712 cm

Answers

So B will be the answer
Answer: B 126.856

Explanation:

Find the product? y ^4 · y ^3

Answers

The product of 2^4.2^3

Answer:

if it will help

y^7

Step-by-step explanation:

y^4+3 = y^7

ANSWER ASAP PLS

The circular opening of a tunnel has a circumference of 36 meters. Which equation can be used to find d, the
diameter of the tunnel opening in meters?

Answers

D = circumference divided by Pi

D = 36 divided by 3.14

D = 11.5
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