WILL MARK BRAINLIEST

Nilsa is working on a 60-minute math test. There are 20 questions on the test. If it takes her 20 minutes to complete 12 of the questions, what is the greatest amount of time on average she can spend on each of the remaining 8 questions?

The cost of the trainers in pounds which is $60 in the USA is £44.94

What is exchange rate?

The exchange rate between the dollar and the pound sterling is the amount at which both currencies exchange hands, I mean the amount of pound sterling that is given in lieu of $1, in this case, for every $1, the amount of pound sterling that is equivalent to it is £0.749, which means that on the basis of the exchange rate the value of trainers in pounds can be determined as shown in details below:

$1 = £0.749

$60=60*£0.749

$60=cost a pair of trainers=£44.94

In short, a pair of trainers selling for $60 in the USA should cost £44.94 based on the exchange rate of $1 = £0.749

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The scatter plot showing Troy's data is given at the end of the answer.

A scatter plot shows a series of points (x,y), relating the input x to the output y.

For this problem, it is used because we want to graph a discrete function, as:

Both professional year and home runs are countable amounts, that cannot assume decimal values, hence we have a discrete function and use a scatter plot.

From the table presented in this problem, the points for the scatter plot are given as follows:

(1,6), (2,9), (3,13), (4,7), (5,9).

The scatter plot, labeled and with the points, is shown by the graph at the end of the answer.

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Answer:yes

Step-by-step explanation:

When he walked a constant 4 miles per hour on the level road, 3 mph on uphill and 6 mph on downhill, then he walked 20 miles

Given,

A man walked for five hours

First he walked along a level road, then up a hill, then he returned around and walked back to his starting place along the same route.

We know,

Speed = Distance/ Time

Time = Distance / Speed

The speed when he walked on the level road = 4 miles per hour

Distance traveled on the level road = A

Time taken = [tex]\frac{A}{4}[/tex]

The speed when he walked on uphill = 3 miles per hour

Distance traveled on the level road = B

Time taken = [tex]\frac{B}{3}[/tex]

The speed when he walked on downhill = 6 miles per hour

Time taken = [tex]\frac{B}{6}[/tex]

Then he walked level road again

Total time taken = Time taken on level road+ Time taken on uphill+ Time taken on downhill+ Time taken on level road

[tex]\frac{A}{4}+\frac{B}{3}+\frac{B}{6}+\frac{A}{4}=5\\ \frac{3A+4B+2B+3A}{12}=5\\[/tex]

6A+6B=60

2A+2B=20

Hence,  when he walked a constant 4 miles per hour on the level road, 3 mph on uphill and 6 mph on downhill, then he walked 20 miles

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The sum of the fraction given in decimal will be 3.46.

It should be noted that the information is for us to simply add the values that are given.

This will be:

= 3/20 + ✓10

= 0.3 + 3.16

= 3.46

Therefore, the sum of the fraction given in decimal will be 3.46.

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The most appropriate design is an experiment (A), this can be applied by having a control and an experimental group (B), and one benefit is that you can identify the effectiveness (C).

Different from an observational study, a census or a survey that are used to collect information about people's preferences, an experiment allows you to test the effectiveness of a treatment, which is the main purpose in this case.

The bst is to have a control and an experiment group. For example you select 30 dogs and use the repelant in 15 dogs; then all dogs are exposed to ticks. As a result you can evaluate how effective the repelant is by comparing the two groups.

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The dimensions of the rectangle =  6 ft

Along with arithmetic, geometry is among the oldest subfields of mathematics. It is concerned with spatial characteristics like the separation between objects, their shape and size, and their relative positions. Geometer is the term used to describe a mathematician who specializes in geometry.

At a fundamental level, geometry is essential to understand because it lays the groundwork for learning more complex mathematical concepts. Raj Valli, the founder of Thinkster Math, notes that algebra and geometry frequently overlap. In science and math classes, it introduces crucial formulas like the Pythagorean theorem.

length = 2w - 1

We know that the area:

Area = length * width

Area = 2w - 1 * width

A= 2w^2 -w = 21

2w^2 - w -21 = 0.  Solve for w using quadratic formula.  

[-b±√(b2 - 4ac)]/2a

[1± √((-1)^2 - 4*2*(-21))]/(2*2)

[1± √(1+168)]/4

w = 3.5 ft

length = 2w - 1

= 2*3.5 - 1

= 6 ft

The dimensions of the rectangle =  6 ft.

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Answer:

No.

Step-by-step explanation:

Rational numbers can be written as a fraction.

Answer:

A

Step-by-step explanation:

the big triangle is a bigger version of the smaller triangle, so it had to be a dilation.

Dilations of images are also similar, not congruent, so the answer is A.

Using relations in a right triangle, it is found that the length of y is given by:

[tex]y = 2\sqrt{6}[/tex]

The relations in a right triangle are given as follows:

The hypotenuse of both triangles is found as follows:

sin(60º) = 6/x.

[tex]\frac{\sqrt{3}}{2} = \frac{6}{x}[/tex]

[tex]x = \frac{12}{\sqrt{3}} \times \frac{\sqrt{3}}{\sqrt{3}}[/tex]

[tex]x = 4\sqrt{3}[/tex]

Hence length y is found as follows:

[tex]\cos{45^\circ} = \frac{y}{4\sqrt{3}}[/tex]

[tex]\frac{\sqrt{2}}{2} = \frac{y}{4\sqrt{3}}[/tex]

[tex]2y = 4\sqrt{6}[/tex]

[tex]y = 2\sqrt{6}[/tex]

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The 100th term of the sequence is 2130.

a3 = a + 2d = 93

a5 = a + 4d = 135

Compute both equations

(4d - 2d) = (135 - 93)

2d = 42

d = 42/2 = 21

a + 2d = 93

a + 2(21) = 93

a + 42 = 93

a = 94 - 42 = 51

100th term will be:

= a + 99d

= 51 + 99(21)

= 51 + 2079

= 2130

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Answer: 4 Days

Step-by-step explanation:

To drive a 100 miles you would do 0.05*100=5

it cost 37.50 everyday and if you add the 5.00 it would cost to drive the 100 miles you get 42.50-200=157.50

37.50*4=150+42.50=192.50

she could rent the car for 4 days

The result for the research is given as

Statistics is the survey as well as manipulation of data, which includes methods for gathering, reviewing, analyzing, and drawing conclusions from data.

Now, as per the given question.

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The complete question is -

A researcher wishes to estimate the proportion of all adults who own a cell phone. he takes a random sample of 1,572 adults; 1,298 of them own a cell phone, hence 1298∕1572 ≈ .83 or about 83% own a cell phone.

1. what is the population of interest?

2. what is the parameter of interest?

3. what is the statistic involved?

4. based on this sample, do we know the proportion of all adults who own a cell phone?

The change in distance between you and your friend from the beginning of the race is 8 7/24.

It should be noted that before the race, you start 4 5/8 behind your friend and at the halfway point, you are 3 2/3 ahead your friend.

Therefore, the change in distance will be the addition of the fractions given.

= 4 5/8 + 3 2/3

= 4 15/24 + 3 16/24

= 7 31/24

= 8 7/24

Therefore, the change in distance between you and your friend from the beginning of the race is 8 7/24.

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The number of movies that will give same cost is 14 movies.

From the information, the cable company charges its customers $4 to rent a movie and an online membership costs $21 and members pay only $2.50 to rent a movie.

Let the number of movies for same cost be represented by x. This will be:

(4 × x) = 21 + (2.50x)

4x = 21 + 2.50x

Collect like terms

4x - 2.50x = 21

1.50x = 21

Divide

x = 21/1.5

x = 14

The number of movies will be 14

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Answer:

10[tex]\sqrt{15}[/tex] + 21[tex]\sqrt{10}[/tex]

Step-by-step explanation:

-\sqrt{15}(-10-7\sqrt{6})

−

15

​

(−10−7

6

​

)

expand -sqrt15(-10-7sqrt6)

1 Expand by distributing terms.

-(-10\sqrt{15}-21\sqrt{10})

−(−10

15

​

−21

10

​

)

2 Remove parentheses.

10\sqrt{15}+21\sqrt{10}

10

15

​

+21

10

​

Answer:

No solutions.

Step-by-step explanation:

We are given the inequality 6(x+3) < 3(2x+6), and we want to solve the inequality for x.

We can first do the distributive property on both sides, where we multiply each term on the left side by 6, and each term on the right by 3.

6(x+3) < 3(2x+6)

6x + 18 < 6x + 18

Solving inequalities is a lot like solving equations; we want to isolate the variable by itself on one side.

First, we can subtract 18 from both sides.

6x + 18 < 6x + 18

    -18           -18

____________________

6x < 6x

Now, we can subtract 6x from both sides, to get 6x off the right side.

6x < 6x

-6x   -6x

0 < 0

We now have the inequality 0 < 0. This is never true, as 0 is always equal to 0.

Therefore, there are no values of x that will make this true, because no matter what, we will end up with a false statement. The answer is no solutions.  

An absolute value inequality that represents the acceptable amounts of sodium is; 35 ≤ A ≤ 45

We are told that a can of soda can have a minimum of 35 milligrams of sodium and a maximum of 45 milligrams of sodium.

Now, an absolute value inequality that represents this expression would be written as;

35 ≤ A ≤ 45

Thus, we conclude that an absolute value inequality that represents the acceptable amounts of sodium is; 35 ≤ A ≤ 45

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the speed and direction of the child relative to the surface of the water. 6.04. m/h

It implies that every object's motion is characterized in relation to Earth's motion. It implies that the motion of every item is explained in relation to every other object's motion. Motion is therefore independent of the frame of reference.

The child is walking East and the ship is moving north.

The relative motion of the child to the water is found using vector addition.

This means the speed of the child to the water is

N= √4^2 + √5^2

  =✓16+25

  =✓41

 =6.04 m/h

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The original amount is 12000

Fraction to daughter = 1/2

Fraction to son = 1/2 × 1/2 = 1/4

Brother = 1/6

The remainder is 1000. The fraction for the remainder will be:

= 1 - (1/2 + 1/4 + 1/6)

= 1 - (6/12 + 3/12 + 2/12)

= 1 - 11/12

= 1/12

Therefore, let the original amount be x

1/12x = 1000

x = 12 × 1000

x = 12000

The original amount is 12000.

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From the given scatter-plot, we have that:

A scatter plot shows a series of points (x,y), relating the input x to the output y.

For the scatter-plot in this problem, we have that:

The points are given as follows:

(10, 155), (30, 120), (50, 80), (70, 25), (80, 18).

When x = 25, y = 125, meaning that the monthly home heating bill was of $125 for a month with average temperature was of 25ºF.

From the points in the scatter plot, when x increases, y decreases, which is the answer for the second item of the question. It makes sense, as when it is hotter, the spending in heaters is unnecessary.

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Answer:

b 45

Step-by-step explanation:

its b ur welcome parallel

Answer:

Its 6x6

Step-by-step explanation:

because you have to count going up and over

The value of l is. We use simple substitution of values to find the value of l is 48.

We have been given the equation V=lwh where l is the length, we can say that the given equation is that of volume of a cuboid where l is the length, w is the width and h is the height of the cuboid. We know the values of V,w and h. We have to substitute the values of V,w and h in the equation V=lwh inorder to find the value of l. Substitution method is generally used for solving system of equations where we first solve the value of one variable and then substitute the value in the other equation to find the value of the other variable. Since we only have one equation and we know the value of 3 of the 4 variables we only have to solve for one.

V=lwh

l=V/wh =[tex]\frac{576}{6.12} =\frac{576}{72}[/tex]= 48

Thus we get the value of l to be 48 by substituting the values of V,w and h.

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Number of beats play by in 4[tex]\frac{1}{2}[/tex] minutes = 495 beats

The number of beats per minute is 110 beats.

The number of beats in 1 minute = 110

The number of beats in 4[tex]\frac{1}{2}[/tex] minute= 110×[tex]4\frac{1}{2}[/tex]

                                                       = 110 × 9/2

                                                       = 495 beats

Therefore we have total of 495 beats in [tex]4\frac{1}{2}[/tex] minutes.

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The simplified value of the maximum weight is 9.62 and the minimum weight is 9.18. Also the function for the maximum and minimum weight is y + x and y - x

Here,

Given that, A package with a labeled weight of 9.4 pounds can have an actual weight plus or minus 0.22 pounds.
Let the weight labeled be y and the actual weight be x
Weight = y ± x
Maximum weight = y + x
Minimum weight = y - x

Weight = 9.4 ± 0.22
Now,
Maximum weight = 9.4 + 0.22 = 9.62 pounds
Minimum weight = 9.4 - 0.22 = 9.18 pounds

Thus, the simplified value of the maximum weight is 9.62 and the minimum weight is 9.18. Also, the function for the maximum and minimum weight is y + x and y - x

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Hence , equation of the line that is perpendicular to the line y = 6 and passes through the point (-4,-3) is x = -4 which is option (a) .

The line y = 6 could be a horizontal line through the purpose (0,6) on the coordinate axis. A line perpendicular thereto are vertical and thru the coordinate axis. this suggests its equation are x = a wherever a is that the x-coordinate. Since it should experience the purpose (-4,-3) then the equation is x =  -4.

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Answer:

5.49x=35

Step-by-step explanation:

the x is the number of markers

Answer:

y=-1/3x

Step-by-step explanation:

The line decreasing from left to right. So, the slope of the line is a negative number. The only answer choice that has a negative number for the slope is A. y=-1/3x.

Hope this helps!

Please mark as brainliest if correct!

Answer:

y = 3x

Step-by-step explanation:

To find the equation of a graphed line, find the y-intercept and the slope in order to write the equation in y-intercept (y=mx+b) form. Slope is the change in y over the change in x.

Answer:

1, 2, 3, 4, 8

Step-by-step explanation:

The 8 factors of 24 are:

1, 2, 3, 4, 6, 8, 12, 24

The factor pairs of 24 are:

1 × 24 = 24

2 × 12 = 24

3 × 8 = 24

4 × 6 = 24