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2 years ago

Please answer i will brainliest:D

Mathematics

2 answers:

vodka [1.7K]2 years ago

6 0

Answer:

Step-by-step explanation:

1.25x5=6.25

6.25+1.37=7.62

DaniilM [7]2 years ago

6 0

C) 7.62 miles

We can make an equation out of this.

5(1.25)+1.37=6.25+1.37=7.62

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Adding & subtracting decimals word problems

Gennadij [26K]

Answer:

7.17 km

Step-by-step explanation:

please like my answer and brainliest me......huhu

4 0

2 years ago

the length of a new rectangle playing field is 6 yards longer than quadruple the width. if the perimeter of the rectangle plaing

Vika [28.1K]

The length and width of a new rectangle playing field are 214 yards and 52 yards respectively.

<h3>What is the area of the rectangle?</h3>

It is defined as the area occupied by the rectangle in two-dimensional planner geometry.

The area of a rectangle can be calculated using the following formula:

Rectangle area = length x width

We have:

The length of a new rectangle playing field is 6 yards longer than quadruple the width.

Let's suppose the length is l and width is w of a rectangle:

From the problem:

l = 6 + 4w

Perimeter P = 2(l + w)

532 = 2(l + w)

Plug l = 6+4w in the above equation:

532 = 2(6 + 4w + w)

266 = 6 + 5w

260 = 5w

w = 52 yards

l = 6 +4(52) = 214 yards

Thus, the length and width of a new rectangle playing field are 214 yards and 52 yards respectively.

Learn more about the area of rectangle here:

brainly.com/question/15019502

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5 0

1 year ago

A race car is equipped with a computer that records the reading on its speedometer every second during a race. if you graph this

Eva8 [605]

D.) Dependent variable is "<span>instantaneous velocity" as it gives information of velocity at every second

Hope this helps!</span>

3 0

2 years ago

Read 2 more answers

Solve x2 – 8x = 3 by completing the square. Which is the solution set of the equation?

vazorg [7]

Answer:

x = 4 ± $\sqrt{19}$

Step-by-step explanation:

Given

x² - 8x = 3

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 4)x + 16 = 3 + 16

(x - 4)² = 19 ( take the square root of both sides )

x - 4 = ± $\sqrt{19}$ ( add 4 to both sides )

x = 4 ± $\sqrt{19}$

8 0

2 years ago

Read 2 more answers

The diameters of ball bearings are distributed normally. The mean diameter is 83 millimeters and the standard deviation is 3 mil

Alenkinab [10]

Answer:

0.2514 = 25.14% probability that the diameter of a selected bearing is greater than 85 millimeters.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

$\mu = 83, \sigma = 3$