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AleksandrR [38]

2 years ago

9

Justin earned $50 mowing yards and $19 washing cars. He wants to divide his money into 3 equal accounts.How much will he put in

each account? Complete the explanation.

1 answer:

ivanzaharov [21]2 years ago

8 0

Answer:

$23

Step-by-step explanation:

$50 + 19=69\\69/3=23\\Or -$23 in each account$

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Nataly [62]

Answer:

1, see the picture below, I used a calculator!

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2 years ago

Given the equation below, what is the value of 3 + 6(79 – s)?<br> 7= -s+ 82

ss7ja [257]

Answer:

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Step-by-step explanation:

Also, the first expression is simplified

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3 years ago

Nina can type 124 words in 4 minutes.at this rate how many words can nina type in an hour

Ludmilka [50]

Answer:

<em>1,860</em>

Step-by-step explanation:

FIRST:

we divide 124 by 4 because in 4 minutes he can type 124 words, and we need to figure out how many he can type in a minute.

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6 0

3 years ago

Solve the equation f/6= 2.5

dezoksy [38]

Answer:

f=15

Step-by-step explanation:

f/6=2.5

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3 0

3 years ago

A square with side x is changing with time where x(t)=3t+1. What is rate of change of the area of the square when t=2 seconds.

GuDViN [60]

Answer:

Rate of change of the area of the square is 42 units at t = 2.

Step-by-step explanation:

We note that the area of the square is given by: $A(x) = x^2$ but we aim to find $\frac{dA}{dt}$ . But we can use the chain rule to pull out that dA/dt. Doing so gives us:

$\frac{dA}{dt} = \frac{dA}{dx} \times \frac{dx}{dt}.$

Now, $\frac{dA}{dx} = 2x$ (by the power rule and $\frac{dx}{dt} = 3.$

But since we have "x" and not "t", we want to find what x is when t = 2. Substituting t = 2 gives us x(2) = 3(2) + 1 = 7.

So, finally, we see that:

$\frac{dA}{dt} = 2(7) \times 3 = 14 \times 3 = 42.$

7 0

3 years ago