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3 years ago

. Quadrilateral WXYZ with vertices W(2,3), X(5,8), Y(7,6), and Z(8, 2): 180° Help

Mathematics

1 answer:

Katarina [22]3 years ago

4 0

5,3 I’m pretty sure I would ask someone else

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Ivan earns $8 each time he walks the neighbors dog.He already walked the dog five times.How many more times does he need to walk

Tpy6a [65]

He has to walk the dog 6 more times

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3 years ago

an employment agency specializing in temporary construction help pays heavy equipment operators $129 per day and general laborer

Studentka2010 [4]

To solve this problem you must apply the proccedure shown below:

1. Let's call $x$ to the number of equipment operators and $y$ to the numbers of laborers.

2. Based on the information given in the problem above, you can make a system of equation, as following:

$\left \{ {{129x+100y=3751} \atop {x+y=32}} \right.$

3. By applying the method of substitution, you can solve for $x$ from the second equation and substitute it into the first equation to solve for $y$ , as following:

$x=32-y\\ 129(32-y)+100y=3751\\ y=\frac{-377}{-29} \\ y=13$

4. Now, substitute the value of $y$ into the second equation to calculate $x$ :

$x=32-13\\ x=19$

The answer is: 19 equipment operators and 13 laborers.

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3 years ago

a runner is 7/8 mile from the finsh line. she can travel 3/8 mile per minute,how long will it take her to finsh the race

Simora [160]

I hope this helps you

if 3/8 miles per a hour

7/8 miles ? hour

?.3/8=7/8.1

?=7/3

?=2,3333... hour

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4 years ago

What is the shape of the cross section parallel to the base of the triangular pyramid?

Elden [556K]

A triangle If you cut through parallel, you would see a triangle, essentially a smaller version of the base

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3 years ago

Two cards are drawn without replacement from a standard deck of 52 playing cards. What is the probability of choosing a red card

joja [24]

Answer: $\dfrac{3}{51}$

Step-by-step explanation:

Given : The total number of cards in a deck = 52

Number of red cards = 26

There are two types of red cards : diamond and heart.

Number of diamond cards = 13

The probability that the first card is a diamond :-

$\dfrac{13}{52}=\dfrac{1}{4}$

Since diamond is also a red card.

Now, the total cards left = 51

The number of red cards left = 12

The probability that the second card is a red card (without repetition) is given by :-

$\dfrac{12}{51}$

Now, the probability of choosing a red card for the second card drawn, if the first card, drawn without replacement, was a diamond :-

$\dfrac{1}{4}\times\dfrac{12}{51}=\dfrac{3}{51}$

7 0

4 years ago