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3 years ago

WILL mark as brainliest help asap please

Mathematics

1 answer:

Mashcka [7]3 years ago

4 0

Answer:

a=40 b=5=c=3=d=4

Step-by-step explanation:

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Tom and Jack spend a certain amount of money from their accounts each week at a pet shelter.

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D) Function 2, because Jack spends $8 each week and Tom spends $7 each week

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4 years ago

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3.1.3 How far was the hiker at 10:30?

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Answer:

$y = 1400 + 5.2x$ --- Running cost

$y = 25 x$ --- Monthly income

71 cars

R1775

Step-by-step explanation:

Given

Expenses

$Salaries = 1400.00$

$Others = 5.20$ per car

Income

$Rate = 25.00$ per car

Solving (a): Expression for the running cost

This is calculated as:

$y = Salary + Others * x$

Where

y = Total running cost

x = number of cars

So:

$y = 1400 + 5.20 * x$

$y = 1400 + 5.2x$

Solving (b): Expression for monthly income

This is calculated as:

$y = Rate * x$

Where

y = Total income

x = number of cars

So:

$y = 25.00 * x$

$y = 25 x$

Solving (c): Break even

To do this, we equate the expressions in (a) and (b)

$y = y$

$25x = 1400 + 5.2x$

Collect Like Terms

$25x -5.2x= 1400$

$19.8x= 1400$

Solve for x

$x = \frac{1400}{19.8}$

$x = 71$

Solving (d): How much to break even

Substitute 71 for x in any of (a) or (b)

$y = 25 x$

$y = 25 * 71$

$y = 1775$

<em>Solving (e): There is no question to answer on the "graph"</em>

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3 years ago

patrick had 144 coins in his collection of nickels and quarters. If the coins have a total value of $20, how many are nickels an

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Answer:

Step-by-step explanation:

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2 years ago

Bruce is going to call one person from his contacts at random. He has 25 total contacts. 20 of those contacts are from his neigh

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<h3>P(call a person not from his neighborhood) = $(\frac{1}{5} )$ </h3>

Step-by-step explanation:

Here, the total number of contacts in the list if Bruce = 25 contacts

The total number of neighbors in the contact = 20 people

Now, let E: Event of calling a person from his neighborhood

So, P(E) = $\frac{\textrm{Total Favorable Outcomes}}{\textrm{Total Outcomes}} = \frac{20}{25} = (\frac{4}{5})$

So, the probability of calling a person from his neighborhood is $(\frac{4}{5} )$

⇒P(E) = $(\frac{4}{5} )$

Now,as we know: P(E) + P(not E) = 1

So, the probability of NOT calling a person from neighborhood

= 1 - probability of calling a person from his neighborhood

$= 1 - (\frac{4}{5}) = \frac{5-4}{5} = (\frac{1}{5})$

⇒P( not E) = $(\frac{1}{5} )$

Hence, P(call a person not from his neighborhood) = $(\frac{1}{5} )$

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Original price is $16.45, markdown is 33%. The sales price is (only use numbers): $

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Answer:

$11.02

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