Susan can solve 8 math problems in 20 minutes while Betsy can solve the same 8 math problems at a rate of 1 problem per 5 minutes. Who works faster? Show your work.

Answers

Answer 1
Susan works faster
if you solve 8 problems in 20 minutes, that is faster than 1 problem per minute because even once you do 5 problems you are at 25 minutes and that is longer than the 20 minutes

Related Questions

Solve for X
9(x+1)=25+x

Answers

Answer:

x=2

Step-by-step explanation:

Answer: 2

Step-by-step explanation:

9x+9=25+x

-9 -9

9x=16+x

-x -x

8x=16

8x/8 16/8

x=2

PLEASE PLEASE HELP ME

Which of the following angles is coterminal with -610?

1. 110
2. 70
3. 250
4. 20​

Answers

Answer:

number 1  anwser 110

Step-by-step explanation:

Select the correct answer.
A drugstore sells vitamins in bottles with different pill counts. The price of each bottle is shown in the table below.
Price
Number of
Pills
50
100
150
$1.85
$3.70
$5.55
$7.40
$9.25
200
250
About how much does one vitamin cost?
$1.85
$0.37
$0.92
$0.04
$0.02

Answers

Answer:

Step-by-step explanation:

The approximate cost of one vitamin is $0.04 thus option (A) is correct.

What are the ratio and proportion?

The ratio is the division of the two numbers.

For example, a/b, where a will be the numerator and b will be the denominator.

Proportion is the relation of a variable with another. It could be direct or inverse.

As per the given number of pills and cost.

The cost per pill from the first raw = $2.05/50 = $0.041

The cost per pill from the second raw = $4.10/100 = $0.041

The cost per pill remains constant in all so this is a direct proportion.

Hence "The approximate cost of one vitamin is $0.04".

For more information about ratios and proportions,

brainly.com/question/26974513

#SPJ2

The complete structured question is below,

What’s the missing length????? Please

Answers

Answer:

The missing length is 11

Step-by-step explanation:

Which graph shows the points (−112, 12) and (1.5, −0.5) plotted correctly? On a coordinate plane, a point is 0.5 units to the right and 1.5 units up. Another point is 0.5 units to the left and 1.5 units down. On a coordinate plane, a point is 1.5 units to the left and 0.5 units up. Another point is 1.5 units to the right and 0.5 units down. On a coordinate plane, a point is 0.5 units to the left and 1.5 units up. Another point is 0.5 units to the right and 1.5 units down. On a coordinate plane, a point is 1.5 units to the left and 0.5 units down. Another point is 1.5 units to the right and 0.5 units up.

Answers

Answer:

Graph 'B' represents the correct graph.

The correct graph is attached below.

Step-by-step explanation:

Let 'A' be the point:

[tex]A\left(-1\frac{1}{2},\:\frac{1}{2}\right)[/tex]

Let 'B' be the point:

[tex]B\:\left(1.5,\:-0.5\right)[/tex]

As point A(-1 1/2, 1/2) can be written as:

[tex]A=\left(-\frac{3}{2},\:\frac{1}{2}\right)=\left(-1.5,\:0.5\right)[/tex]

so plotting the point [tex]A=\left(-1.5,\:0.5\right)\:\:\:\:[/tex] and [tex]B\:\left(1.5,\:-0.5\right)[/tex] on a [tex]B\:\left(1.5,\:-0.5\right)[/tex].

As we know that the 2nd quadrant, in the upper left-hand corner, consists of negative values of x and positive values of y.

Thus, the point A(-1.5, 0.5) will be plotted in the 2nd quadrant at x = -1.5 and y=0.5

i.e. at x= -1.5, y = 0.5

As we know that the 4th quadrant, the lower left-hand corner, consists of positive values of x and negative values of y.

Point B(1.5, -0.5) will be plotted in the 4th quadrant at x = 1.5 and y = -0.5

i.e. at x= 1.5, y = -0.5

Thus, graph 'B' represents the correct graph.

The correct graph is attached below.

Answer:

B

Step-by-step explanation:

Trust me on this, also can I have brainiest please?

Hope you do well! :D

In the diagram below, OPis circumscribed about quadrilateral ABCD. VWhat is
the value of x?
A
O A. 55
OB. 105
OC. 100
OD. 60
115
x+10|

Answers

Answer:

Value of X = 100°

Step-by-step explanation:

Given:

∠ A = 70°

∠ D = 115°

∠ C = X + 10°

Find:

Value of X

Computation:

In cyclic quadrilateral ∠ A + ∠ C = 180°

So,

70° + X + 10° = 180°

X = 100°

Value of X = 100°

Answer:

A   and   D

Step-by-step explanation:

The ratio of dogs to cats at a pet store is 2 to 3 which of the show the possible number of dogs and cats in the pet store

Answers

Answer:

See Explanation

Step-by-step explanation:

Given

Dogs : Cats = 2 : 3

Required

Determine the possible number of dogs and cats at the store

The question requires options; since there are none, I'll answer on a general terms.

We have the dog to cat ratio to be:

Dogs : Cats = 2 : 3

Multiply ratio by any number (say 7)

Dogs : Cats = 2 * 7 : 3 * 7

Dogs : Cats = 14 : 21

This means that if there are 14 dogs, then there are 21 cats.

Multiply the ratio by another number (say 4)

Dogs : Cats = 2 * 4 : 3 * 4

Dogs : Cats = 8 : 12

This implies:

8 dogs and 12 cats

In conclusion, the number of dogs, when divided by the number of cats must equal ⅔.

Larry is thinking of a number that is between 0 and 300. What is the correct model for this situation?

Answers

The first option is correct

Answer:

 none are correct

Step-by-step explanation:

What is the approximate volume of the sphere? Use 3.14 to approximate pi and round the answer to the nearest hundredth if necessary.

Answers

the volume for a sphere is 4/3 x 3.14 x r2

A flooring company needs to tile a section of a kitchen that is in the shape of a triangle.
they know that the area is 21 ft squared and the base is 6 ft how can they determine the
height of the triangle?

The formula for the area of the triangle: A = Area B= Base H=Height

Answers

Answer: It is possible to determine the height of the triangle by using the formula of the area of a triangle and creating an equation to find the missing value (height). Also, the value of the height is 7ft

Explanation:

The area of a triangle is found by using both the height and the base of a triangle. Indeed, the general formula for this is A( area) = h (height) x b (base) ÷ 2. Now, this general formula can be used to find any of the values missing if two values are known. This means the height can be calculated using the area and the base. To do this, create a simple equation and solve it. The process is shown below:

1. Write the general equation

[tex]A = \frac{h b}{2}[/tex]

2. Replace the letters with the values you have

[tex]21 =\frac{6b}{2}[/tex]

3. Find the missing value by moving the values to the other side of the equal symbol (=) and changing its symbol

21 x 2 = 6b   -For example 2 divided 6b but if it is changed to the other side it needs to multiply

42 = 6 b

42 / 6 = b

b = 7

This means the value of the height is 7 ft. If  you want to double-check this, use the original formula:

A = 6 ft x 7 ft / 2

A= 42 [tex]ft^{2}[/tex] / 2

A= 21 [tex]ft^{2}[/tex]

image here hard 10th grade math

Answers

No image Imao 1003838474644

Determine whether the relation is a function. х 0 1 2 3 у -4 -2 0 2 Function O Not a Function​

Answers

Answer:

This is a function since the x values aren't repeating more than once

Hope this helped! :D

Answer:

it is a function as the relation is one-to-one function

ASAP please

If y is directly proportional with x and
y = 3.6 when x = 30, what is the
value of y when x = 40?

Answers

Answer:

y=k*x

plug in the known values of x and y and use them to solve for k

then you can use the new value of k to solve for y when x=40

Step-by-step explanation:

cuz cuz you need it to be directly that's what you need to

MULTIPLE CHOICE: write the equation of a line that is perpendicular to the given line and that passes through the given point.

3x + 9y = 8; (-9, 1)

A.) y = -3x + 28
B.) y = 1/3x + 28
C.) y = 3x + 28
D.) y = 1/3x - 12

Answers

Step-by-step explanation:

alright. i calculated each line that is given, and i sadly don't have the time to place them. but, ill still make it easier for u and give the points of each one, and u can place them and see which one is perpendicular and that passes through the given point.

a=(-3,88)

b=(1/3,28)

c=(3,88)

d=(1/3,-12)

i apologize for not having an obvious answer, but hope this helps!

Line M passes through the points (-5, 8) and (-1, 9) what is true of line M

Answers

Answer:

The equation of the line is:

[tex]y=\frac{1}{4}x+\frac{37}{4}[/tex]

Step-by-step explanation:

Given the points

(-5, 8)(-1, 9)

Finding the slope between the points

[tex]\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}[/tex]

[tex]\left(x_1,\:y_1\right)=\left(-5,\:8\right),\:\left(x_2,\:y_2\right)=\left(-1,\:9\right)[/tex]

[tex]m=\frac{9-8}{-1-\left(-5\right)}[/tex]

[tex]m=\frac{1}{4}[/tex]

Using the point-slope form of the line equation

[tex]y-y_1=m\left(x-x_1\right)[/tex]

substituting the values m = 1/4 and the point (-5, 8)

[tex]y-8=\frac{1}{4}\left(x-\left(-5\right)\right)[/tex]

[tex]y-8=\frac{1}{4}\left(x+5\right)[/tex]

Add 8 to both sides

[tex]y-8+8=\frac{1}{4}\left(x+5\right)+8[/tex]

[tex]y=\frac{1}{4}x+\frac{37}{4}[/tex]

Thus, the equation of the line is:

[tex]y=\frac{1}{4}x+\frac{37}{4}[/tex]

A person bought some cosmetics from wholesale market at the rate of Rs 360 per dozen he sells it at Rs 80 a pair find the gain percent pls do it step by step​

Answers

Answer:

33.3%

Step-by-step explanation:

To get the gain percent, first we need to calculate the unit selling price and cost of each cosmetics.

If a person bought some cosmetics from wholesale market at the rate of Rs 360 per dozen., then one cosmetic will cost 360/12 = Rs. 30

Also if he sells it at Rs 80 a pair, then he sold one cosmetic at 80/2 = Rs. 40

Selling price = Rs. 40

Cost price = Rs. 30

% gain = SP-CP/CP * 100%

% gain = 40-30/30 * 100

% gain = 10/30 * 100

% gain = 100/3

% gain = 33.3%

Hence the percentage gain is 33.3%

Answer:

its ok! I accept apologies

Step-by-step explanation:

the secret number is grater than 75.
it has 9 tens.
it has a 3 in the ones places.​

Answers

Answer:

The secret number is 93.

The
property of addition states that any number plus zero equals the other
number.
identity
commutative
Inverse
associative

Answers

Answer:

identity 4

Step-by-step explanation:

P partitions GR in ratio 2:4. GR is 36cm. How long is GP and PR?

Answers

Answer:

12 cm and 24 cm

Step-by-step explanation:

The line is divided in the ratio 2 : 4 = 2x : 4x ( x is a multiplier )

The sum is therefore

2x + 4x = 36

6x = 36 ( divide both sides by 6 )

x = 6

Thus

GP =  2x = 2 × 6 = 12 cm

PR = 4x = 4 × 6 = 24 cm

The store buys shoes at a wholesale price of $50, and their markup is 42%. What is the retail price?

Answers

i think it might be 2100

Help I’ll give brainlest. Idk the answer bruh pls :/m

Answers

Answer:

Since the exponent of the scientific notation is positive, move the decimal point 5 places to the right. 290000

Step-by-step explanation:

Answer:

Answer is D(290,000)

Step-by-step explanation:

Question 9 of 10
Which of the following is not found on a check?
OA. The routing number
OB. The account number
OC. The account owner's Social Security number
OD. The account owner's name and address
SUBMITTED

Answers

Answer: B. ACCOUNT OWNERS SOCIAL SECURITY NUMBER.

Step-by-step explanation:

Which graph shows a dilation?
Hurry only 30mins left

Answers

Answer:

A

Step-by-step explanation:

A dilation is a dilation if a shape gets smaller or bigger while remaining similar

B, C, D gets smaller but does not remain similar while A also gets smaller but it remains similar

If 20 assemblers can complete a certain job in 6 ​hours, how long will the same job take if the number of assemblers is cut back to 12​?

Answers

Given,

Total number of assemblers = 20

They work a job in 6 hours.

To find,

Time to complete the work if the number of assemblers is cut back to 12​.

Solution,

Initially,

20 assemblers = 6 hours

1 hour = [tex]\dfrac{20}{6}[/tex] assemblers

If assemblers are 12 then,

[tex]t=\dfrac{20}{6}\times 12\\\\=40[/tex]

Hence, 40 hours will be required if the number of assemblers is cut back to 12​.

Need help!!!! With # 7

Answers

Answer:

Step-by-step explanation:

(-∞ , 8]

and

[0 , 8]

im 99% sure this is correct

hope this helps <3

The sum of two numbers is 58 and the difference is 8. What are the numbers?
Larger Number:
Smaller Number:

Answers

the large number is 37 and the small number is 21

-will give Brainlest-
Express as a logarithm the solution to
4(10)^t/5=25

A)
t = 10
B) t = 2/5
C) t=5 log 25/4
D) t= 1/5 log 25/4

Answers

D because it a better solvotion question
the correct answer is C
(t = 5 log 25/4)

What is 17= x/9 + 3 ?

Answers

Step-by-step explanation:

17 = x/9 + 3

x/9 = 14

x = 126.

Please help me thank you I appreciate it

Answers

Answer:

SRQ = 66 degrees

Step-by-step explanation:

QRT = 33 degrees

A bisector bisects angles evenly, which means that SRTis also 33 degrees. ADD these two together you get 66 degrees for this angle.

Answer:

<SRQ = 66

Step-by-step explanation:

bisect means to "cut" in half so the line pretty much separates half and half

Michael is cutting a 100-yard ribbon into pieces 3.4 yards long. He says that an inequality that represents his project is 3.4x 100. Explain what this statement means, in words, and what each part of the inequality represents

Answers

Answer:

[tex]3.4x\le 100[/tex]

Step-by-step explanation:

Given that,

Michael is cutting a 100-yard ribbon into pieces 3.4 yards long.

Michael says that an inequality that represents his project is 3.4x 100.

Let Michael cuts the ribbon in x no of variables. It is given as :

3.4x is the total length of all the pieces together

i.e.

3.4x is less than or equal to 100.

The required equation that represents the given scanario is :

[tex]3.4x\le 100[/tex]

Answer:

Step-by-step explanation:

Sample Response: The variable, x, is the number of pieces of ribbon Michael cuts. Since each piece is 3.4 yards long, 3.4x is the total length of all the pieces together. This total length cannot be more than the 100 yards of ribbon he has, so 3.4x must be less than or equal to 100.

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