Lisa solved 40 math fact problems in 2 ½ minutes and 80 math fact problems in 5 minutes. What’s her unit rate?

Answers

Answer 1

Answer:

16 problems a minute

Step-by-step explanation:

Unit rate = "the 1 value"

The "1", in this case, would be 1 minute.

So, we need to find the number of questions she is solving every minute.

To do this, either divide 40 by 2.5 (2 and 1/2), or 80 by 5                                 Dividing either will give you the number 16, and this is your answer.


Related Questions

Question: The perimeter of a rectangle is 60 cm. Its length is 12 cm. What is its width? 1. Write an expression using x to represent the rectangle s width 2. Solve for the width.​

Answers

Answer:

100 is the answer hope this helps

Step-by-step explanation:

One side of a rectangle has length 4. Another side has length 6+7. What expression represents the area of the​ rectangle? 4×6+4×7 4×6 4×7 4×6×7.

A. 4×6×7
B. 4×6
C. 4×6+4×7
D. 4×7

Answers

Answer:

C

Step-by-step explanation:

So area is length times width for the rectangle and your length is 4 and your width is 6+7, if you do 4 times 6+7 you will get 52. If you want to be sure you can go down the answer options and do them until you find one that equals 52 which in this case is C.

4 x (6+7) = area

(in case you need the equation)

Harry made 22 pans of fudge bars for an event at the University of Central Florida. Only of each pan was eaten. 10 How many total fudge bar pans were eaten at the event? А 198 220 B 211 10 99 C D 220 9 E I don't know yet​

Answers

Answer:

Answer is 235/45

Step-by-step explanation:

Given that y is a function of x, which of the following tables best represents a function?

Answers

Answer:

BBBBBBBB

Step-by-step explanation:

brainliest?

Write four different equations that have –3 as the solution.

Answers

1 + -4

2 + -5

3 + -6

4 + -7
5 + -8

6 + -9

7 + -10

8 + -11

What is the length? Help

Answers

Answer:

15

Step-by-step explanation:

The figure was dilated by 1.5 to get to 9 from 6

x corresponds to BC, so we multiply 10 by 1.5 to get 15.

Hope this helps :-)

Part A: Use the computer output to determine the LSRL. Identify all the variables used in the equation. (3 points) Part B: What proportion of the variation in makeup sales is explained by its linear relationship to makeup tutorial videos? Explain. (4 points) Part C: Determine if increased makeup sales were caused by online makeup tutorial videos. Explain your reasoning. (3 points)

Answers

Answer:

Follows are the solution to the given point:

Step-by-step explanation:

please find the correct question:

In choice a:

The smallest square line would be from the production.

[tex]Sales = -7.567857143 + 0.917857143 \times Makeup\ Videos.[/tex]

Purchases of Cosmetics & Makeup Demo Clips are the factors used in the calculation.

In choice b:

The proportions of its variance of maquillage sales reveal by it's a linear relation to maquillage video tutorials is [tex]99.53 \ \%[/tex].

In choice c:

Because the vector Cosmetics Demonstration videos are critical with 5.11E-07 p-value, which is less than 0.05 and[tex]R^2 = 99.53[/tex]. It may assume that increasing making-up purchases is attributed to tutorials for online makeup.

Which triangle's circumcenter would lie on the triangle?
123

Answers

The acute triangle to be exact

The triangle's circumcenter would lie on the triangle will be middle of the hypotenuse. Then the correct option is A.

What is the triangle?

The polygonal shape of a triangle has a number of sides and three independent variables. Angles in the triangle add up to 180°.

It is the close curve of an equidistant point drawn from the center. The radius of a circle is the distance between the center and the circumference.

We know that the circumcenter is the circle that passes through the vertices of the triangle.

In a right-angle triangle, the hypotenuse represents the diameter of the circle. Then the center of the circle lies in the middle of the hypotenuse of the right-angle triangle.

The triangle's circumcenter would lie on the triangle will be middle of the hypotenuse. Then the correct option is A.

More about the triangle link is given below.

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whats 3 x 3-78? i cant figure it out.

Answers

Answer:

the answer -69

Step-by-step explanation:

3 times 3 is 9

9 - 78 is - 69

Answer:

The answer should be -69

Step-by-step explanation:

With this equation you would use PEMDAS, so you would multiply before you subtract. 3 x 3 = 9 9 - 78 would be -69

In ΔLMN, \overline{LN} LN is extended through point N to point O, \text{m}\angle NLM = (x-4)^{\circ}m∠NLM=(x−4) ∘ , \text{m}\angle MNO = (4x-17)^{\circ}m∠MNO=(4x−17) ∘ , and \text{m}\angle LMN = (x+9)^{\circ}m∠LMN=(x+9) ∘ . What is the value of x?X?

Answers

Answer:

11°

Step-by-step explanation:

Kindly find the diagram attached.

From the diagram we are given two interior angles ∠NLM and ∠LMN and exterior angle ∠MNO.

You must understand that sum of interior angles is equal to the exterior angles.

∠NLM+ ∠LMN =  ∠MNO

Given parameters

∠NLM = x-4

∠LMN = x+9

∠MNO = 4x-17

Substitute the given parameters into the equation above;

x-4+x+9 = 4x-17

2x+5 = 4x-17

2x-4x=-17-5

-2x = -22

x = -22/-2

x = 11°

Hence the value of x is 11°

Answer: 11

Step-by-step explanation:

Need help ASAP. Question is in picture.

Answers

Answer:

B) x<= 0

Step-by-step explanation:

of you look at the graph, the line stops at the coordinates (0, 9)

the x coordinate here is 0. so x<0.

since it's a closed circle around where the line ends, the domain becomes

x <=0

the rest of the line goes on for infinity, so that's all of the equation.

sorry if the explanation is hard to understand.

Solve the following equation for f. Be sure to take into account whether a letter is capitalized or not.

N2=6f+H

Answers

Answer:

f = (N² - H)/6

Step-by-step explanation:

Step 1: Write equation

N² = 6f + H

Step 2: Solve for f

Subtract H on both sides: N² - H = 6fDivide both sides by 6: (N² - H)/6 = fRewrite: f = (N² - H)/6

Solve for b.
15 - 3b=63

Answers

15-3b=63
subtract 15 from both sides
-3b=48
divide -3 from both sides
b= -16
So you have to subtract 15 from both sides than you will have -3b=63 divide u get -16

Please I need your help with maths!!

1. Calculate the area (use π= 3.14)
Circumference =314m

2. Calculate the circumference (π=3.14)
1. 10cm
2. 10.2cm
3. A=314m2

Answers

Answer:

Step-by-step explanation:

Circumference = 314

2*pi*r = 314

2*r = 314 / 3.14

2*r = 100

r = 50

Area = pi * r^2

Area = 3.14 * 50^2

Area = 3.14 * 2500

Area = 7850

===========

C = 2*pi * r

C = 2 * 3.14 * 10

C = 6.28 * 10

C = 62.80 cm

==========

C = 2*3.14*10.2

C = 64.056

==========

Area = pi * r^2

314 = 3.14 * r^2

314 / 3.14 = r^2

100 = r^2

sqrt(100) = sqrt(r^2)

r = 10

C = 2*pi *r

C = 2*3.14 * 10

C = 6.28 * 10

C = 62.8

i dont get division pleaaaaaaaaaseeeeee help

Answers

What do you need help with

Max delivers 8160 pieces of mail in one year. About how many pieces of mail does he deliever in 2 months

Answers

Answer:

1360

Step-by-step explanation:

8160 / 12 ( the number of months) = 680  

680 x 2 = 1360

Answer:

1360

Step-by-step explanation:

This year consumers purchased 7,234,267,990 bottles of water. Last year consumers purchased 2,000,900,999 bottles of water. Which is the best estimate of the number of bottles sold this year and last year? A. 5,000,000,000 B. 9,000,000,000 C. 9,235,168,989 D. 10,000,000,000

Answers

Answer:

B. 9,000,000,000

Step-by-step explanation:

From the given information:

We are to determine the best estimate of the number of bottles sold this year and last year.

The best estimate means rounding up to the nearest whole number.

Given that:

7,234,267,990 bottles of water were purchased this year

2,000,900,999  bottles of water were purchased last year

The estimate of the bottles sold this year and last year from the above value is:

= 7,000,000,000 + 2,000,000,000

= 9,000,000,000

-10n + 5 = -31 - 8n solve for n and show your work in rows

Answers

Answer:

n=18

Step-by-step explanation:

-10n+5-5=-31-8n

-10n+5-5=-31-8n-5

-10n=-8n-36

-2n=-36

divide both sides by -2

n=18

Answer:

18 = n

Step-by-step explanation:

-10n + 5 = -31 - 8n

+10n               +10n

______________

         5 = -31 + 2n

       +31  +31

___________

      36 = 2n

     ___  ___

       2      2

___________

       18 = n

ILL GUVE BRAINLIEST IF ITS CORRECT

Answers

Answer:

Sorry I don't know :'(

Step-by-step explanation:

I'm in 6th grade too

is 0.124356 rational or irrational

Answers

it’s a rational number

How many squares are in figure n

Answers

Answer:

plz add a picture

Step-by-step explanation:

If a store marks up the price of an item by 45% and sells it to customers for $58, what was the original price the store paid for the item?

Answers

$40

You need to divide 58 by 1.45 to get 40 btw

Danielle and Emilia brought apples, bananas, and oranges to a fruit sale.
The bananas were sold for $0.50 each, while the apples and oranges
were sold for $0.75 each. They sold 50 pieces of fruit and earned $33.50
total. If Danielle and Emilia sold twice as many bananas as oranges, how
many apples did they sell? Show your work.
*

Can you please Write the system which models this situation as well!!

Answers

Answer:

26 apples

Step-by-step explanation:

bananas, b= $0.50

oranges, o= $0.75

apples, a = $0.75  

Total fruit sold = 50

Total Earned  = $33.50

b + o + a = 50       Because the total number of all 3 fruits sold is 50

.5b + .75o + .75a =  $33.50           The number of each fruit, multiplied by the price of each fruit, and added together is $33.50

They sold twice as many bananas than oranges.

If o is oranges, then 2o = b because there are twice as many bananas so:

b + o + a = 50

2o + o + a = 50  

3o + a = 50

Now we can solve.

3o + a = 50

a = 50 - 3o

.5b + .75o + .75a =  $33.50

.5(2o) + .75o + .75a = $33.50

o + .75o + .75a = $33.50

1.75o + .75a = $33.50

Two equations and 2 unknowns.

a = 50 - 3o

1.75o + .75a = $33.50       Plug in a to solve for o.

1.75o + .75(50 - 3o) = $33.50

1.75o + .75*50 - .75*3o = $33.50

1.75o + 37.5 - 2.25o = $33.50   Combine like terms

1.75o - 2.25o +37.5 = $33.50

-.5o + 37.5 = 33.5     Add .5o to each side so it cancels on the left.

37.5 = 33.5 + .5o   Subtract 33.5 from each side

37.5 -33.5 = .5o

4 = .5o   Divide each side by .5

4/.5 = o

8 = o

Now plug into a = 50 - 3o

a = 50 - 3(8)

a = 50 - 24

a = 26

So even though we know they sold 26 apples, let's finish solving to check our work.

b + o + a = 50

b + 8 + 26 = 50

b + 34 = 50

b = 50 - 34

b = 16      

b = 2o  

b = 2 (8)

b = 16   Which works! Now the last step of checking our work:

.5b + .75o + .75a =  $33.50

.5(16) + .75(8) + .75(26) =  $33.50

8 + 6 + 19.5 = $33.50

14 + 19.5 = $33.50

33.5 = $33.50  Yes! It works too!

bananas = 16

oranges = 8

apples = 26

What is 15,327 rounded to the
nearest ten thousand?

Answers

Answer:

20,000

I hope this helps!

Round the number 15,327 nearest tenth will be 10,000.

What is the rounding of a number?

The action of forming anything into a circle. Mathematics. the act of substituting a number with one that is roughly equivalent in value but has fewer digits: To the closest dollar, rounding $27.68 results in $28. a comparable procedure that identifies one of several rules.

The integer number is given below.

⇒ 15,327

Round the number 15,327 nearest ten thousand.

If the thousand place is more than 5, then the first place before the thousand will be increased by one.

In the thousand place is 6, then the number 1 is increased by one that is 2.

Round the number 15,327 nearest tenth will be 10,000.

More about the rounding of a number link is given below.

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Find each quotient. pls help its easy

Answers

The answer to number 7 is 7.5

HELPPP PLZZ!!
Determine whether or not each relationship represents a function. Explain your reasoning for the graph and also for the table.
х
y
-2
5
1
4
0
3
2
4

Answers

There’s no picture of the graph

please help

5/2 = x-6 over 3

Answers

x=9/2
Do you need me to show work?

What is the 7th term of the geometric sequence?

2, 8, 32, 128, ...

Answers

The 7th term of the geometric sequence is 8,192!

To find the 7th term of the geometric sequence 2, 8, 32, 128, ..., we must first determine the common ratio between consecutive terms.

The common ratio, denoted by 'r', is found by dividing any term by its preceding term. In this case, dividing 8 by 2 gives us a common ratio of 4. Now that we know the common ratio, we can use the formula for the nth term of a geometric sequence, which is given as: [tex]aₙ = a₁ * r^(n-1)[/tex]

Here, aₙ represents the nth term of the sequence (the term we are trying to find), a₁ is the first term (2 in this case), r is the common ratio (4 in this case), and n is the position of the term we are trying to find (7 in this case). Plugging in the given values, we get: a₇ [tex]= 2 * 4^(7-1) = 2 * 4^6 = 2 * 4 * 4 * 4 * 4 * 4 * 4 = 2 * 4,096 = 8,192[/tex]Therefore, the 7th term of the geometric sequence 2, 8, 32, 128, ... is 8,192.

To know more about geometric sequence visit:

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Question 9 options:
Find the area and perimeter of the figure in the graph below.
Area of a triangle = 12bh

Area =

Perimeter (rounded to the nearest tenth) =

Answers

Answer:

area = 14 square unitsperimeter = 19.1 units

Step-by-step explanation:

The base of the triangle extends from x=2 to x=6, a distance of 4 units.

The height of the triangle is 9 - 2 = 7 units.

Then the area is ...

  A = (1/2)(4 units)(7 units) = 14 units^2

__

The length of the hypotenuse is given by the Pythagorean theorem.

  h^2 = 4^2 +7^2 = 16 +49 = 65

  h = √65 ≈ 8.1

The perimeter is the sum of the side lengths:

  P = 4 + 7 + 8.1 = 19.1 . . . units


Un automóvil recorre 150 kilómetros con 15 litros de gasolina. ¿Cuánta gasolina consumirá si va a recorrer
600 kilómetros

Answers

Answer: 45 litros de gas
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