Eva spent $48 on a shirt and a pair of pants. The pant cost twice as much as the shirt. How much did each item cost?

Answer:

30

Step-by-step explanation:

Answer:

1/3k

Step-by-step explanation:

30kx -6kx=8

We can operate the two terms in left because they are similar

24kx = 8

We divide by 8 both sides

3kx = 1

Finally, we divide by 3k both sides

x = [tex]\frac{1}{3k}[/tex]

Answer: x = 1/3k

Step-by-step explanation:

z

Answer: Tara will have a 2/27 probability of choosing a blue marble from each bag

solution: First, we need to find the probability for the first bag using (p= number of outcomes/ total of outcomes), the number of outcomes is 5, and the total is 15, so our probability for bag 1 is 5/15.

Then, for the second bag, the number of outcomes is 2, and the total is 9, so the probability for the second bag is 2/9

To find the probability for both of the bags, we have to multiply them: 5/15 × 2/9= 10/135=2/27

Final answer:

The equation m∠DEF = m∠D'F'E' must be true following a 90° clockwise rotation of ∆DEF, because rotations preserve angle measures.

Explanation:

When a geometric figure such as ∆DEF is rotated 90° clockwise about a point A, to create ∆D'E'F, corresponding angles in the two triangles will be equal. This is true because a rotation is a type of rigid motion, which preserves angle measures. The equation m∠DEF = m∠D'F'E' must be true because the angle at F in the original triangle ∆DEF becomes the angle at E' in the rotated triangle ∆D'E'F, given the preservation of angle measures through rotation.

Therefore, for such geometric transformations, it's crucial to understand that rotations do not alter the internal angles of the shape being transformed, which is consistent with the rules of plane geometry. This principle is useful in solving many problems that involve the rotation of figures within a plane.

The value of  [tex]y[/tex] in the given figure, using the rule of angle sum property  and linear pair will be [tex]65\\[/tex].

According to angle sum property, the sum of all the sides of a triangle will be [tex]180^o[/tex].

A linear pair is defined as two neighboring angles that sum up to 180° or two angles which result in a line or a straight angle when combined, or it can be said that the sum of linear pair is supplementary.

In the given figure,

∠[tex]x + 130^o = 180^o \ \ \ (linear pair)\\\x = 50^o[/tex]

Now, In triangle ABC, using angle sum property:

[tex]A+B+C= 180^o\\50^o + y + y = 180^o\\50^o + 2y = 180^o\\2y = 130^o\\y = 65^o\\[/tex]

Thus, the value of  [tex]y\\[/tex]  in the given triangle is [tex]65^o\\[/tex].

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The figure is added below.

The box-and-whisker plot which best represents the data is graph A

A box and whisker plot, often known as a box plot, shows a data set's five-number summary. The minimum, first quartile, median, third quartile, and maximum make up the five-number summary.

A box is drawn from the first quartile to the third quartile in a box plot. At the median, a vertical line passes through the box.

It is used when showing the distribution of data points across a selected measure and if the box in a box plot is stretched in one direction or the other, then the data is skewed in that direction.

Given data ,

Let the data of the box plot be represented as A

Now , the value of A is

A = 34, 36, 38, 40, 45, 45, 48, 50, 52, 60

So , the median of the data is given by

M = ( 45 + 45 ) / 2

M = 45

Now , the box plot which represents the median at 45 is graph A

Hence , the box plot is solved

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Mila needs at least $8 more to reach her goal of spending $20 on a classified ad. The inequality to represent this problem is x ≥ 8, where x is the amount of additional money she needs.

If Mila wants to spend at least $20 on a classified ad and currently has $12, we need to figure out how much more money she needs. We denote the amount of money she needs with the variable x. An inequality that represents this situation is:

12 + x ≥ 20

Subtracting 12 from both sides of the inequality to isolate x, we get:

x ≥ 20 - 12

x ≥ 8

So, Mila needs at least $8 more to have enough for the classified ad.

Answer:

I'm positive the answer is 48.5

Answer:

The last answer is correct

The volume of the box is calculated by multiplying its length, width, and height together. The volume of the box that the radio came in is 480 cubic inches.

The dimensions given for the box are its length (12in.), width (8in.), and height (5in.). In mathematics, you can use these three dimensions to calculate the volume of the rectangular box. The volume of a rectangular box is calculated by multiplying these three dimensions together. So, the volume of the box is 12in. * 8in. * 5in. = 480 cubic inches. Remember, when you multiply three dimensions together, the unit is cubic (inches cubed in this case), because you're dealing with a three-dimensional space.

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To find the new volume of the cylinder, multiply the original volume by 9.

To find the new volume of the cylinder, we need to find the new radius first. Since the radius becomes three times as large, the new radius will be 3 times the original radius. Next, we substitute the new radius into the volume formula for a cylinder.

V = πr²h

Let's assume the original radius is 'r' and the original volume is 1,692.46 in³. Therefore:

1,692.46 = πr²h

The new radius will be 3r, so the new volume becomes:

V = π(3r)²h = 9πr²h

So, the new volume of the cylinder will be 9 times the original volume or 9 * 1,692.46 = 15,231.14 in³.

A higher density means that lead is heavier than glass for the same volume, signifying that lead particles are both heavier and more numerous in a given volume than the glass particles.

The density of a substance tells us how much mass is in a given volume, and it is expressed in g/cm³. Comparing the densities of glass (2.6 g/cm³) and lead (11.3 g/cm³), we can say that a given volume of lead is much heavier than the same volume of glass. This could mean either there are more lead particles or the lead particles are heavier. But from atomic physics, we know that individual lead atoms are indeed heavier than individual silica atoms (which make up glass). Therefore, the higher density of lead signifies that the lead particles are both more numerous and heavier in a given volume than the glass particles.

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Answer:

Total amount Josiah can expect to pay for postage is:

$ 1.84

Step-by-step explanation:

cost of mailing one letter in the country is:

f(x)=0.42 + 0.20[x-1]

The first weighs 2.9 ounces, and the second weighs 4.1 ounces.

Cost of mailing first letter=0.42+0.20(2.9-1)

                                         =0.42+0.38

                                         =$ 0.8

Cost of mailing second letter=0.42+0.20(4.1-1)

                                               =0.42+0.62

                                               =$ 1.04

total cost=$(0.8+1.04)

              =$ 1.84

Hence, total amount Josiah can expect to pay for postage is:

$ 1.84