Alex can shovel the driveway in 45 minutes if he works alone. Alex and Luisa can shovel the driveway in 20 minutes if they work together. According
to this equation, Luisa can shovel the driveway in minutes if she works alone,
How many minutes would it take Luisa to shovel the driveway if she works alone?

Answers

Answer 1

Answer: it would take her 25 minutes I believe

Step-by-step explanation:

Answer 2

Answer:

36

Step-by-step explanation:


Related Questions

first person to answer all of these questions gets brainliest, also upping points to 50

Answers

Answer:

#1

Ratio of 45-45 and 30-60-90 triangles

45-45

a : b : c = 1 : 1 : √2

30-60-90

a : b : c = 1 : √3 : 2

a)  

b = 10/2 = 5a = 5√3

b)

k = l = 6√2/√2 = 6

#2

Find x

7/x = cos 66°x = 7/ cos 66°x = 17.2

Find y

y/x = sin 66°y = 17.2 sin 66°y = 15.7

#3

a) sin A = 5/13

b) cos A = 12/13

c) tan A = 5/12

d) A = arcsin (5/13) = arccos (12/13) = arctan (5/12) = 22.6°

All solid objects conduct heat although some are better conductors than others in this sentence what's part of speech does the word although mean?
adjective
preposition
adverb
conjunction
helpp

Answers

what solid objects conduct here although some are better conductors and others in the sentence what’s the part of the speech does the world although mean?

I got you :) The answer is an Adjective ! you could also search up what these words mean to help you find your answer but i already told you it’s an adjective lol have a great day

Your classmates Sarah, Gene and Paul are proposing plans for a class fundraiser. Each presents his or her proposal for the amount of money raised, y, for x number of hours worked, in different ways.


Answers

Answer:

yx

Step-by-step explanation:

The answer is yx

We can draw the conclusion that linear functions can be used to represent each of the ideas. Due to the fact that each proposal's linear function has an initial value, the class now has money in its accounts (b).

What is "Linear Function" ?

A linear function is denoted by the equation y = mx + b, where m is the slope or unit rate between the two variables, x and y, and b is the beginning value or y-intercept.

The initial value is b.

A linear function is a graph with straight lines.

A unit rate exists for all linear functions (b).

here, we have,

given that,

Sarah's suggestion can be expressed by a linear function because the graph that represents it is a straight line.

Gene's Proposal's table displays the unit rate as change in y/change in x = 7. As a result, a linear function can be used to express it.

Paul's idea has a linear function as its equation.

This leads us to the conclusion that linear functions can be used to represent each of the ideas.

Due to the fact that each proposal's linear function has an initial value, the class now has money in its accounts (b).

Learn more about Linear Function Visit:

brainly.com/question/15602982

#SPJ3

Which of the following processes represents the impact of acid rain in the correct order?
a) Suffocation→Acidification of lakes→Accumulation of aluminum→Decreased osmoregulation
b) Accumulation of aluminum→Decreased osmoregulation→Suffocation→Acidification of lakes
c) Acidification of lakes→Accumulation of aluminum→Decreased osmoregulation→Suffocation
d) Decreased osmoregulation→Acidification of lakes→Accumulation of aluminum→Suffocation

Answers

Answer:

( )()()()()()()()()[][][][][][][][][][][][][][][]

Step-by-step explanation:

Translate "Twelve less than two-thirds a
number is 48" into an equation.
#17

Answers

Answer:

2/3x - 12 = 48

Step-by-step explanation:

00:00 Is the relation shown below a function? Use the graph and justify your answer (0, 0), (2.0), (2, 2), (3, 4) and (6,6) y 9 8 7 6 on 4 3 2 1 х 0 0 1 2 3 4 5 6 7 8 9 00:00 Yes, each x-value has a unique y-value 00:00​

Answers

No; Two points have different y-values for the same x-value of 2.

Step-by-step explanation:

Hannah cut straws of different lengths. Straw A had a length of 6 cm, Straw B had a length of 6 cm, and Straw C had a length of 2 cm. Can Hannah place these three straws together to form a triangle?

Answers

Answer:

Yes

Step-by-step explanation:

I see no mathematical reason this could not happen. It has three sides which is what makes a triangle.


Find a and b please fasttt

Answers

Answer:

Step-by-step explanation:

to find the angle A

360-230=130

angle B=180-130=50

ZB=
Round your answer to the nearest hundredth.
B
?
5
2
С
А

Answers

Answer:

angle B = 66.42

Step-by-step explanation:

cos-1 B = [tex]\frac{adjacent}{hypotenuse}[/tex]

cos-1 B = [tex]\frac{2}{5}[/tex]

cos-1 B = 0.40

cos-1 of 0.40 is 66.4218

round to the nearest hundreth = 66.42

angle b = 66.42

Find the area of the figure.

Answers

15.5 x 12.4 = 192.2 so the answer is 192.2 square feet.

Answer:

249.86 ft^2

Step-by-step explanation:

12.4 ft × 9.3 ft ÷ 2 = 57.66 sq ft(for triangle)

57.66+(12.4 ft×15.5 ft) = 249.86 sq ft

brainliest plz

this cuboid is made from cm squares
a)write down the volume of the cuboid
b)the cuboid is then split apart into these smaller cuboids. how many of these can be made?

Answers

Answer:

Step-by-step explanation:

Each signal unit cubes are 1 cm to each side

the dimensions of the large cube is 4 by 6 by 3      width height and depth

a) volume of the cube   Vol = area of the base times height  

              area of the base = the width times the depth  

              Volume = Base Depth

                            =  Width x Depth x Height

                            =      4 x 3 x 6

                            =       12 x 6

                Vol      =   72 cm ³

b )  the volume of the smaller cuboid has different dimensions    

             the smaller cube is 2 by 2 by 1      width height and depth

          Volume = Base Depth

                            =  Width x Depth x Heigh

                            =    2 x 2 x 1  

 Vol smaller cuboid    =   4

      How many smaller cubes can be made?

            The obvious answer might be to straight up divide the large cube volume by the smaler cuboid volume. That might work IF all of the cuboid dimensions divide evenly into the cube dimensions.

  Number of cuboid  =   Volume of the cube  /  Volume of the cuboid

                                  =             72 / 4

                                  =        18

Check this answer by dividing the dimension of the cube by the cuboid

         4 by 6 by 3

         2 by 2 by 1

      (4/2) by (6/2) by (3/1)

        2    by    3   by     3       = 2 x 3 x 3     =    18

i need help! and ill give brainliest

Answers

Answer:

54 and 27

Step-by-step explanation:

Number 7 is 54 and number 8 is 27

PLEASE HELP ASAP!!! 15 POINTS.

Answers

Answer:

option 4

Step-by-step explanation:

Hey There!

A line that has a negative slope will be going from left to right downwards if that makes sense

Thus meaning that option 4 has a negative slope

at a school, 40% of the sixth grade students said that hip hop is their favorite kind of music. if 100 sixth grade students perfer hip hop music, how many sixth grade students are at the school?

Answers

Answer:

Step-by-step explanation:

250 students are in the 6th grade have a good night it is night hear if you live in America east side 10:34 PM

Help me with this!!!

Answers

300. Because the distance is still 100 in between.

use the distributive property to remove the parentheses , 12(3-y)​

Answers

12(3-y)
= 36-12y

Basically all I did was multiple 12 by 3 and then multiple 12 by -y!! :)
36 - 12y

To distribute multiply what is outside of the parentheses by what is inside them. 12 x 3 = 36
12 x -y = -12y

Write the equation for each table

Answers

Answer:

Step-by-step explanation:

First table:(left)

(1, 15) (2, 30)

(30 - 15)/(2 - 1) = 15/1 = 15

y - 15 = 15(x - 1)

y - 15 = 15x - 15

y = 15x

Second table:(right)

(0, 10)  (1, 25)

(25 - 10)/(1 - 0)= 15/1= 15

y - 10 = 15(x - 0)

y - 10 = 15x - 0

y = 15x + 10

Solve the Equation 4x^2-5x-6=0

Answers

Answer: = 2

Step-by-step explanation: Once in standard form, identify a, b, and c from the original equation and plug them into the quadratic formula.

Ryan has scores 32, 26, and 23 points in his four basketball games so far. How many points does he need to score in his next game so that his average (mean) is 26 points per game?

Answers

Answer:

23

Step-by-step explanation:

Ryan needs to score a 23 this game because if you add all the numbers together (32 + 26 + 23 + 23) then divide them

(32 + 26 + 23 + 23)/4

You will get 23.

Answer:

23 points

Step-by-step explanation:

Let's first start out by first finding the current mean. We can find this by:

[tex]\frac{32+26+23}{4}=27.[/tex]

So we know that his current average is 27 points per game, and we need the average to be 26. So, to find out the total number of points he scores from his 1st, 2nd, 3rd, and 4th game, we will do:

[tex]26\cdot4=104[/tex]

So if he needs 104 points in total to have an average of 26. So, we would subtract his total number of points from his 1st, 2nd, and 3rd game, from 104. If we do this, we would get:

[tex]104-(32+26+23)=104-81=23[/tex]

So he would need to score 23 points next game to have an average of 26 points.

Find the value of x. Then find the measure of each interior angle. Show work algebraically

Answers

Answer:

Step-by-step explanation:

W=180-144

W=36 degrees

The sum of angles in a triangle always sum to 180 degrees.

6x+1+7x+36=180

13x+37=180

13x=143

x=11

U=6x+1

U=6(11)+1=67 degrees

V=7x

V=7(11)=77 degrees so

x=11 degrees, U=67 degrees, V=77 degrees, and W=36 degrees.

what's the answer to -1.3g + 1.9 = -11.1

Answers

Answer:

g = 10

Step-by-step explanation:

-1.3g + 1.9 = -11.1

-1.3g = -11.1 - 1.9

-1.3g = -13

g = 10

Tim is 5 pounds heavier than Amy. Let Amy's weight will be x pounds

A) Express Tim's weight in terms of x
b) if Tim's weight is 126 pounds, what is Amy's weight?
(show you work)

Answers

Answer:

A) x+5

B) 121

Step-by-step explanation:

A) If Tim is 5 pounds heavier than Amy, an equation for this situation can be modeled by x+5, where Amy is x pounds.

B) If Tim is 126 pounds, then Amy's weight is 126-5=121 pounds.

2/5
Convert
into percentage.

Answers

Answer:

40%

Step-by-step explanation:

2/5*100

hope this helps

Find the value of x.

Answers

Answer:

 x = 35°

Step-by-step explanation:

These two angles are alternate angles so they both are equal.

 5x - 54 = 3x + 16

 5x - 3x = 16 + 54

 2x = 70

 x = 70 ÷ 2

 x = 35°

y = 4x + 6 ; 5x + y = -21

Answers

Answer:

=4x + 5x ;6 + (-21)

=9x -15

= -6x

PLEASE HELP ME IM BEGGING

Answers

stuck on the same thing, tried reviewing and reviewing but now I’ll just try finding the answer key

What is 7 (x+3) -7 = y simplified

Answers

Answer:

7 (x+3) -7 = y

7x+21-7=y

7x+14=y

Find the distance between the pair of points.

(6, 6) and (6, −2)

The distance between the pair of points is units.

Answers

Answer:

(6-6)+(6-2)=0+4

sqr(4)^2=4

There are 45 students in a school play. 3/5 of the students are preforming and the remainder of students are pert of the backstage crew.

Answers

Answer:

Assuming the question is: How many students are performing:

There are 45 students. The number of students performing is 3/5 of this total number of students.

This number is actual figures is:

= 3/5 * 45

= 27 students

The number of students in the backstage crew is therefore:

= 45 - 27

= 18 students

Answer: 90% of 40 is 36. Therefore, 36 students are present in the class.
Learning Task 1
Find the percentage of the following number.
1. 45% of 20
2. 40% of 85
3. 70% of 60
4. 35% of 140
5. 5% of 360​

Answers

1. 9
2. 34
3. 42
4. 49
5. 18
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