Maria takes 2 hours to plant 50 flower bulbs. Lois takes 3 hours to plant 45 flower bulbs. Working together, how long should it take them to plant 150 bulbs?

Answers

Answer 1

Answer:

Maria:  (50 bulbs)/(2 hours) = 25 bulbs/hour

Lois:  (45 bulbs)/(3 hours) = 15 bulbs/hour

Together:  25 + 15 = 40 bulbs/hour

(150 bulbs)/(40 bulbs per hour) = 3 3/4 hours

(3/4 hours)(60 minutes/hour) = 45 minutes

Total time:  3 hours 45 minutes

Answer 2
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Related Questions

What's the nth term of the following question:

5
,

7
,

9
,

11
,

13

Answers

Answer:

-21

Step-by-step explanation:

-13 +(-2) = -15

-15+(-2) = -17

-17+(-2 )=- 19

-19+ (-2)= -21

A group of students would like to know how well the value of coins in a bag can be predicted based on their weight. They collected the following data.





Weight (grams) 32.7 -96.9- 93.8 65.4 65.4 79.7 69.3 112.1
Value $0.63 $3.22 $2.10 $2.17 $2.14 $2.03 $1.76 $3.19




For the bags of coins, what is the correlation coefficient, r , between "weight" and "value"? Use technology, and round your answer to the nearest hundredth.

Answers

Using a calculator, it is found that the correlation coefficient between weight and value is of -0.15.

Correlation coefficient:Has two inputs, which are the sets of values x and y.In this problem, the set x is composed by the weights.The set y is composed by the prices.

Inserting these values in a calculator, it is found that the correlation coefficient between weight and value is of -0.15.

You can learn more about correlation coefficient at https://brainly.com/question/25815006

Bhurashi can do 1/3 part of work in 6 days. (I) In how many days would she complete the whole work​

Answers

We can write this as an algebraic expression, 1/3x = 6, where x represents the amount of work Bhurashi has done. This means that by multiplying 3 on both sides, we get x (100% of the work) = 18 (days).

NEED HELP ASAP!!!!!!

Answers

Answer:

x=57

Step-by-step explanation:

63+60= 123

A triangle is 180 degrees

180-123= 57

x=57

Answer:

pretty sure x = 57

Step-by-step explanation:

60 + 63 = 123

180 - 123 = 57

what is 8 divided by 4/5?​

Answers

Make both fraction
8/1 divided by 4/5
Flip reciprocal of second one
8/1 * 5/4 = 40/4 = 10

The solution is 10

Solve for x when y=16.
3x+7=y

Answers

Answer: 3

Step-by-step explanation:

3x + 7 = y

3x + 7 = 16

*subtract 7 from both sides because inverse operations*

3x = 9

*divide both sides by 3 because inverse operations*

x = 3


[tex]what \: is \: the \: radius \: 11 \sqrt{2(9.8) r} [/tex]

Answers

Answer:

radius r = 9.8 m

base circumference C = 61.575216 m

volume V = 1971.22792 m3

curved surface area A = 603.437117 m2

base surface area B = 301.718558 m2

total surface area K = 905.155675 m2

ca someone solve 8 = b - 1 + 8b STEP BY STEP PLEASE.

Answers

Answer:

b = 1

Step-by-step explanation:

8 = b - 1 + 8b

combine like terms

8 = 9b - 1

add 1 to both sides of the equation

8 + 1 = 9b - 1 + 1

8 + 1 = 9b

9 = 9b

divide both sides of the equation by 9

9/9 = 9b/9

1 = b

Answer:

b = 1

Step-by-step explanation:

Given

8 = b - 1 + 8b, that is

8 = 9b - 1 ( add 1 to both sides )

9 = 9b ( divide both sides by 9 )

1 = b

simplify (y + 1)^5y + 1)^3​

Answers

Note: Your expression sounds a little unclear, so I am assuming your expression is

[tex]\left(y\:+\:1\right)^5\times \left(y\:+\:1\right)^3[/tex]

But, the procedure to solve the expressions involving exponents remains the same, so whatever the expression is, you may be able to get your concept clear.

In the end, I will solve both expressions.

Answer:

Please check the explanation

Step-by-step explanation:

Given the expression

[tex]\left(y\:+\:1\right)^5\times \left(y\:+\:1\right)^3[/tex]

solving the expression

[tex]\left(y\:+\:1\right)^5\times \left(y\:+\:1\right)^3[/tex]

[tex]\mathrm{Apply\:exponent\:rule}:\quad \:a^b\times \:a^c=a^{b+c}[/tex]

[tex]\left(y+1\right)^5\left(y+1\right)^3=\left(y+1\right)^{5+3}[/tex]

                          [tex]=\left(y+1\right)^8[/tex]

Therefore, we conclude that:

[tex]\left(y\:+\:1\right)^5\times \left(y\:+\:1\right)^3=\left(y+1\right)^8[/tex]

IF YOUR EXPRESSION IS THIS

                       ↓

[tex]\left(y\:+\:1\right)^{\left(5y+1\right)^3}[/tex]

solving the expression

as

[tex]\left(a+b\right)^3=a^3+3a^2b+3ab^2+b^3[/tex]

so

[tex]\left(5y+1\right)^3=125y^3+75y^2+15y+1[/tex]

               [tex]=125y^3+75y^2+15y+1[/tex]

Thus, the expression becomes

[tex]\left(y+1\right)^{\left(5y+1\right)^3}=\left(y+1\right)^{125y^3+75y^2+15y+1}[/tex]

The circumference of a circle is 64π. What is the radius of the circle?

A. 32
B. 64
C. 80
D. 128

Answers

Answer:

A.32

Step-by-step explanation:

Answer:

32

Step-by-step explanation:

the formula for circumference is 2πr. Using math we get r as 32

HELP PLEASE AWARDING BRAINLIEST IF CORRECT

Answers

Answer:

y=1/4x+9

Step-by-step explanation:

x-4y=-36

add 4y to both sides to find x

x=4y−36

To find y=

add -x to both sides

−4y=−x−36

divide both sides by -4

y=mx+b

y=1/4x+9

1.- En una bodega hay 34 sacos de maíz, si cada uno pesa 100 kg. ¿Cuántos
kilogramos de maíz hay en la bodega?​

Answers

I don’t understand your language can you translate it through english

help me pleaseeeeeeeeeeee

Answers

Answer:

3.643 X 10 -1

Step-by-step explanation:

Answer:

3.643 × 10 ^− 1

Step-by-step explanation:

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the  

10 . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

3.643 × 10 ^− 1

help anyone?? PLSS ?? ill love u 4eva

Answers

Answer:

4 and 5

Step-by-step explanation:

xy = 20

x + y = 9 ⇒ x = 9 - y

y(9 - y) = 20

9y - y² = 20

y² - 9y + 20 = 0

D = ( - 9)² - 4(1)(20) = 81 - 80 = 1

[tex]y_{1}[/tex] = (9 + 1) ÷ 2 = 5

[tex]y_{2}[/tex] = (9 - 1) ÷ 2 = 4

The numbers are 4 and 5

1. There are 6 fewer books in Ashley’s library than Jennifer’s. If there are 30 books total, how many books does Ashley have?
a. 16 b. 10 c. 18 d. 12

Answers

It’s C because Jennifer has 18 whole Ashley has 12 which adds up to 30.

what is the greatest common factor between 20 and 25

Answers

Answer:

5

Step-by-step explanation:

Wesley is raising monarch caterpillars for a school science project. Every day, he feeds 7 fresh milkweed leaves to each caterpillar. Wesley wants to find out how many caterpillars he can feed in a day with a total of 42 leaves. Write an equation that can be solved for n to find the number of caterpillars he can feed in a day?

Answers

Step-by-step explanation:

Let n be the number of caterpillars.

Since each catepillar eats 7 leaves,

Wesley have 7n number of leaves.

In this case 7n = 42, so n = 6.

Answer: 7n = 42, n = 6.

Explanation:

Every caterpillar eats 7 milkweed leaves. That means [tex]n[/tex] is the number of caterpillars Wesley feeds every day. Since we know 7n is equal to 42, n = 6 because 42 ÷ 7 = 6.

Which algebraic rule Describes the transformation

Answers

Answer:

The answer is D) (X,Y) ---(-y-x)

I think it’s d to because (x,y) can also be (-x,-y)

can someone please help me im being timed ‼️

Answers

125 because it’s symmetrical between both
The answer is c 125
The reason is because it is corresponding angles

PLEASE SOMEONE ACTUALLY HELP I WILL MARK BRAINLIEST

Answers

Answer:

C, or the third one

Step-by-step explanation:

Jayden used 20 color ties to make a design above his stove 15 out of 20 of his tires were green what is an equivalent fraction for the green tie ​

Answers

Answer:

3/4

Step-by-step explanation:

15.20 simplified = 3/4

Factor by grouping.(7m + 2)(3m + 5) (7m – 2)(3m – 5) (7m – 2)(3m + 5) (7m + 2)(3m – 5)

Answers

Answer:

40m

Step-by-step explanation:

(7m+2+3m+5+7m-2+3m-5+7m-2+3m+5+7m+2+3m-5)

40m+0

40m

45/4x+1=5, help please

Answers

Answer

x= 16/45 (as a fraction)

Step-by-step explanation:

If Square ABCD is dilated by a scale factor of two about the center of the square, dilated line E'F' will?

Answers

EF passes through the center point. Let's call the center point G All lines that pass through the center of dilation will still pass through the center after the dilation. So what this means is that segment E'F' will also pass through point G In fact, segment E'F' will lay entirely on line EF

Aaliyah learned to play a total of 16 pieces over the course of 8 weeks of piano lessons. After 10 weeks of piano lessons, how many total pieces will Aaliyah be able to play? Solve using unit rates.

Answers

Answer:

20

Step-by-step explanation:

Answer:

18

Step-by-step explanation:

:P

Is this set of ordered pairs a function ? (1,9) (0,8) (3,0) (4,9) (7,7).

Answers

Answer:

It is not a function because the output of 9 repeats.

(1,9) (4,9)

:D

The table represents the equation y=2-4x. Use the drop-down menus to complete the statements.The x-values are the . The y-values are the . The missing value in the table for x = –1 is y =

Answers

Answer:

y=2-4x

y=2-4*1

y=2

y=2-4*2

y=2-6

y=-4

y=2-4*3

y=2-12

y=-10

The x values are the 1,2,3. The y values are the 2, -4,-10

y=2-4x

x=-1 , y=__

substitute x value with -1

y=2-4*-1

y=2-(-4)

y=2+4

y=6

x=-1, y=6

In a game of spinning wheels, Ann got to spin a wheel twice. She scored –50 points for the first spin and 90 points for the second spin. If her score at the beginning was zero, then what would be her total score after the two spins?

Answers

Answer:

40

Step-by-step explanation:

-50 + 90 = 40

helppppppppppppppppppppppppppppppppppppp

Answers

Answer:

Step-by-step explanation:

A and C

You and your friend are in a canoe race. Your friend is a half mile in front of you and paddling 3 miles per hour. You are paddling 3.4 miles per hour. You are 8.5 miles from the finish line. How long will it take to catch up to your friend?

Answers

Answer:

To catch your friend you have to paddle for 1.25 hours

Step-by-step explanation:

Your friend is 0.5 mile in front of you and paddling 3 miles per hour. You are paddling 3.4 miles per hour.

Since the speed is the relationship between the space traveled by an object and the time used for it, then the distance is defined as:

distance= speed*time

Being x the time it takes to reach your friend, then your friend's position will be:

3miles per hour*x + 0.5 (since your friend  is 0.5 mile in front of you)

while your position is:

3.4 miles per hour*x

When you reach your friend the position of both should be the same. So:

3*x + 0.5= 3.4*x

Solving:

0.5= 3.4*x - 3*x

0.5= 0.4*x

0.5 ÷0.4= x

1.25= x

This means that to catch your friend you have to paddle for 1.25 hours

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