Tina buys 3 7/8 yards of material at the fabric store. She uses it to make a skirt. Afterward, she has 1 3/8 yards of the fabric leftover. How many yards of material did Tina use?

Answers

Answer 1

Answer:

The amount of fabric Tina used after she has a leftover of 1 3/8 yards is 2 1/2 yards.

What is a fraction?

A fraction is written in the form of p/q, where q ≠ 0.

Fractions are of two types they are proper fractions in which the numerator is smaller than the denominator and improper fractions where the numerator is greater than the denominator.

Given, Tina buys 3 7/8 yards of material at the fabric store, and after she uses it to make it a skirt she has 1 3/8 yards of the fabric leftover.

Therefore the amount of fabric she used is the difference between the total fabric and the leftover which is,

= 3 7/8 - 1 3/8.

= 31/8 - 11/8.

= 20/8.

= 2 4/8.

= 2 1/2 yards.

learn more about fractions here :

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Answer 2

Answer: Tina used 2 4/8 of material.

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Which algebraic expression is equivalent to the expression below?5(4x + 3) + 5(9 - x)
A.
25x + 60
B.
15x + 60
C.
15x + 30
D.
15x - 60
help fast

Answers

Answer:

15x+60

Step-by-step explanation:

$\sf 5(4x + 3) + 5(9 - x)$

$\sf 20x+15+5\left(9-x\right)$

$\sf 20x+15+45-5x$

$\sf 15x+60$

Let's simplify step-by-step.5(4x+3)+5(9−x)Distribute:=(5)(4x)+(5)(3)+(5)(9)+(5)(−x)=20x+15+45+−5xCombine Like Terms:=20x+15+45+−5x=(20x+−5x)+(15+45)=15x+60

Answer is B

Decimal to percentage

Answers

To convert a decimal to a percent, multiply the decimal by 100, then add on the % symbol. An easy way to multiply a decimal by 100 is to move the decimal point two places to the right. This is done in the example below. Each decimal in Example 1 went out two places to the right of the decimal point.

The decimal you take it as it was of a hundred if it is just of 2 numbers

0.36= 36%

If it is of 3 numbers or more you can use decimals

0.873= 87.3%

A sphere has a radius of 31 millimeters. Find it's volume to the nearest tenth please. (Use 3.14 for pi)

Answers

Answer:

V ≈ 124,725 mm^3

Step-by-step explanation:

Let's use the formula for volume of a sphere:

$v = (4)/(3)\pi {r}^(3)$

$v = (4)/(3) (3.14) {31}^(3)$

$v = (4)/(3)(3.14)29791$

$v = (4)/(3) 93543.74$

$v = (4)/(3) * (93543.74)/(1) = (374174.96)/(3)$

$v = 374174.96 / 3$

Write the product of 0.4 x 0.4 x 0.4 in exponential form.

Answers

Answer: 0.4^3

Step-by-step explanation:

you just count how many times you multiply 0.4 and use that number to be the exponents

Can you Multiply factors with decimals? How do you know where to put your decimal point in your answer?

Answers

yes Multiplying decimals is the same as multiplying whole numbers except for the placement of the decimal point in the answer. When you multiply decimals, the decimal point is placed in the product so that the number of decimal places in the product is the sum of the decimal places in the factors.

In a box plot, the wider the box the more_________ it has

Answers

Learning Objectives Define basic terms including hinges, H-spread, step, adjacent value, outside value, and far out valueCreate a box plotCreate parallel box plotsDetermine whether a box plot is appropriate for a given data set

We have already discussed techniques for visually representing data (see histograms and frequency polygons). In this section, we present another important graph called a box plot. Box plots are useful for identifying outliers and for comparing distributions. We will explain box plots with the help of data from an in-class experiment. As part of the "Stroop Interference Case Study," students in introductory statistics were presented with a page containing 30 colored rectangles. Their task was to name the colors as quickly as possible. Their times (in seconds) were recorded. We'll compare the scores for the 16 men and 31 women who participated in the experiment by making separate box plots for each gender. Such a display is said to involve parallel box plots.

There are several steps in constructing a box plot. The first relies on the 25th, 50th, and 75th percentiles in the distribution of scores. Figure 1 shows how these three statistics are used. For each gender, we draw a box extending from the 25th percentile to the 75th percentile. The 50th percentile is drawn inside the box. Therefore,

the bottom of each box is the 25th percentile,

the top is the 75th percentile,

and the line in the middle is the 50th percentile.

The data for the women in our sample are shown in Table 1.

Answer:variability

Step-by-step explanation:

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