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3 years ago

PLEASE HELP ASAP! URGENT!

Mathematics

2 answers:

prohojiy [21]3 years ago

5 0

What’s the question?

algol [13]3 years ago

3 0

You didn’t post the question

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A 3 letter password from the letters a b c and d the password cannot have the same letter repeated in it how many such passwords

iren2701 [21]

Answer:

$24\ passwords$

Step-by-step explanation:

$Total\ available\ characters=4(a,b,c,d)\\\\ We\ want\ to\ choose\ 3\ of\ them.\\Here\ order\ matters\ (for\ example\ abc\ and\ acb\ are\ two\ different\ passwords) \\Hence\ we\ have\ to\ take\ permutation\ to\ count\ total\ possibilities.\\\\Total\ number\ of\ passwords=^4P_3\\\\Total\ number\ of\ passwords=\frac{4!}{(4-3)!}\\\\Total\ number\ of\ passwords=\frac{4!}{1!}\\\\Total\ number\ of\ passwords=24$

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4 years ago

Which graph can be used to find the solution(s) to 4x=-4x?

Elden [556K]

<h2>Answer:</h2>

The graph is shown in the Figure below

<h2>Step-by-step explanation:</h2>

In this exercise, we have an equation. On the left side we have a straight line with slope $m=4$ and there is no any y-intercept. On the right side, on the other had, we also have a straight line, but the slope here is $m=-4$ . Therefore, by plotting these two straight lines, we have that the solution is the origin, that is, the point $(0, 0)$ .

6 0

3 years ago

Read 2 more answers

A 5-pound of flour costs $4.80. For this bag of flour, what is the cost of flour per ounce?

sattari [20]

So we convert money into numbers 5 pounds of flour is 480 OK. Then we multiply 5*16 we get 80 then 480/80=006. Then we convert money back to numbers and we get 0.006. Answer A is correct.

3 0

3 years ago

Imani can pick forty bushels of apples in 15 hours. Bill can pick the same amount in 13 hours. Find how long it would take them

Delvig [45]

Answer:

6.96 hours.

Step-by-step explanation:

First, we need to find out the hour rate of bushels picked for each of them.

If Imani can pick 40 bushels in 15 hours, then he picks 40/15 = 8/3 bushes per hour.

If Bill can pick 40 bushels in 13 hours, then he picks 40/13 bushes per hour.

Working together, they pick: $\frac{8}{3} +\frac{40}{13}$ bushes per hour.

Let's simplify this expression:

$\frac{8}{3} + \frac{40}{13} = \frac{104+120}{39} = \frac{224}{39}$ = 5.74

Now we can use a rule of three

1 hour -------5.74

x hours ------40

Then,

x = 40 / 5.74 = 6.96

Therefore, it would take them 6.96 hours working together.

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4 years ago

What was the name of the treatise in which Euclid compiled all the existing geometric knowledge, along with some of his own obse

rodikova [14]

Euclid's Elements <==

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3 years ago