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3 years ago

14

there are 100 officials at the race. you read that the total cost of all the officials for one day is 20 654. how much does each

official get paid per day?

1 answer:

DaniilM [7]3 years ago

3 0

Answer:

$206.54

Step-by-step explanation:

Divide the number of officials by the total days pay to get the pay for each official working the race

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. In April, it rained 1/4 of an inch on 15 different days. How many inches of rain fell

notka56 [123]

Answer:

3.75, or $\frac{15}{4}$ inches of rain during the 15 days of April.

Step-by-step explanation:

All you have to do is add $\frac{1}{4}$ 15 times to get that number.

$\frac{1}{4}$ + $\frac{1}{4}$ + $\frac{1}{4}$ + $\frac{1}{4}$ + $\frac{1}{4}$ + $\frac{1}{4}$ + $\frac{1}{4}$ + $\frac{1}{4}$ + $\frac{1}{4}$ + $\frac{1}{4}$ + $\frac{1}{4}$ + $\frac{1}{4}$ + $\frac{1}{4}$ + $\frac{1}{4}$ = 3.75

You can also do 15 times $\frac{1}{4}$ , which will result in the same thing.

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3 years ago

during a 5-year period, 35% storms caused a power out. 39 of the storms didnt. find the total number of storms over the 5-year p

Kay [80]

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4 years ago

What is the interquartile range of the data set?

Andrej [43]

Answer:

Should be 10 if there is nothing for th stem value of 3.

Step-by-step explanation:

The stem is the tens place, and the leaf is the ones. You would get 28 40 43 43 45 50 50 for your numbers. If you take Q3-Q1, you get your answer, 10.

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3 years ago

Find the value of a if the line joining the points (3a,4) and (a,-3) has a gradient of 1

Otrada [13]

Recall that the slope or gradient of a line segment through two points is the ratio of the change in the <em>y</em> coordinate to the change in the <em>x</em> coordinate.

If the gradient is 1, then

1 = (-3 - 4) / (<em>a</em> - 3<em>a</em>)

Solve for <em>a</em> :

1 = -7 / (-2<em>a</em>)

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3 years ago

Pleas help me find the answer and show the work to this question

lions [1.4K]

Answer:

$Leg\ 1 = 8$

$Leg\ 2 = 15$

Step-by-step explanation:

Given: See Attachment

Required

Determine the length of the legs

To do this, we apply Pythagoras theorem.

$Hyp^2 = Adj^2 + Opp^2$

In this case:

$17^2 = x^2 + (2x- 1)^2$

Open Bracket

$17^2 = x^2 + 4x^2- 2x-2x + 1$

$17^2 = 5x^2 - 4x + 1$

$289= 5x^2 - 4x + 1$

Collect Like Terms

$5x^2 - 4x + 1 - 289 = 0$

$5x^2 - 4x - 288 = 0$

Solving using quadratic formula:

$x = \frac{-b\±\sqrt{b^2 - 4ac}}{2a}$

So:

$x = 8$ or $x = -7.2$

Since, x can't be negative, then:

$x = 8$

One of the leg is:

$Leg\ 1 = x$

$Leg\ 1 = 8$

$Leg\ 2 = 2x - 1$

$Leg\ 2 = 2*8 - 1$

$Leg\ 2 = 16 - 1$

$Leg\ 2 = 15$

6 0

3 years ago