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Oksi-84 [34.3K]
3 years ago
6

If Alice would to leave her house around 6:30am and get back about 7:15am, but its a 21 mintue walk to and back. Will she make i

t back before 7:15am or after
Mathematics
2 answers:
Naddik [55]3 years ago
5 0
Before 7:15 is the answer.

6:30 + 21 minutes + 21 minutes puts the time back at 7:12.
alex41 [277]3 years ago
4 0
Before Because It Will Only Be 7:12
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Trevor has an investment worth $6,774.50. He made his only deposit in it 22 years ago. Given that the investment yields 2.7% sim
OleMash [197]
My initial answer was $2750.45, and I will show you my calculations.

Calc : 6774.5 ÷ 100 = 67.745
67.745 × 2.7 = 182.9115
182.9115 × 22 = 4024.053
6774.5 - 4024.053 = 2750.45

= $2750.45

At first I thought this was correct, but after studying my answer I realise that the amount of interest would rise as the amount of money went up, therefore my calculations are very wrong. If I work out the answer, I will get back to you, but the calculation is more complicated than I first predicted
7 0
3 years ago
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Explain what is the slope, and what is the y-intercept.
cluponka [151]

Answer:

slope :

The steepness of a line expressed as a ratio, using any two points on the line.

y-intercept

The value of  y  at the point where a curve crosses the y-axis.

Step-by-step explanation:

8 0
3 years ago
If 90 is 80% of a value, what is that value?
Anna71 [15]
So 90 is 4/5 of a number.

4/5n=90

4n=450

n=450/4

n=112.5
7 0
3 years ago
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Find the value of x. Please help! Thanks.
emmasim [6.3K]

Answer:

\huge\boxed{x=\sqrt{30}}

Step-by-step explanation:

ΔABC and ΔBDC are similar (AAA).

Therefore the corresponding sides are in proportion:

\dfrac{AC}{BC}=\dfrac{BC}{CD}

substitute

AC=7+3=10\\{BC}=x\\CD=3

\dfrac{10}{x}=\dfrac{x}{3}           <em>cross multiply</em>

<em />(10)(3)=(x)(x)\\\\30=x^2\\\\x^2=30\to x=\sqrt{30}<em />

8 0
2 years ago
A school is selling tickets to their Spring theater production Student tickets cost $6 each and non-student tickets cost $9 each
MariettaO [177]

Answer:

4x+3150-6x=2876

-2x=-274

x=137

y=525-137

y=388

Hence, about 137 childern tickets were sold and 388 gernal admission tickets were sold.

Paul.

3 0
3 years ago
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