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9966 [12]
2 years ago
15

I need help with these pre- calculus questions. Please help it is due tonight.

Mathematics
1 answer:
LenaWriter [7]2 years ago
3 0
What are you solving for
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It says “If 4 apples cost $1.00, what would be the cost of 10 apples?” -
Neporo4naja [7]

Answer:$8.50

Step-by-step explanation: If 4 apples are $1.00 that means that one apple would be 25¢. 10 apples would mean $8.00 and since 2 apples are left that would be 50¢. Hence, the answer would be $8.50

8 0
2 years ago
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Negative 3 over 1 third plus 8 over 3 tenths
Katen [24]

The answer to your question is 7/5

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2 years ago
Y=2x+1 when x increases by 5,y increases by​
Dmitriy789 [7]

Answer:

10

Step-by-step explanation:

say x=0

then y would be 1

increasing x by 5 makes x=5

and then 5 x 2 + 1=11

so y went from 1-11(difference of 10) with the variation

so the answer is 10

3 0
1 year ago
Solve 5-2x&lt;7<br> x&lt;-1<br> x&gt;-1<br> x&lt;-12<br> X&gt;-12
Alex

5-2x

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2 years ago
On a map, the scale shown is 1 inch: 20 miles. If a city is 900 square miles, what is the area of the city on the map?
WITCHER [35]

Answer:

2.25 square inches

Step-by-step explanation:

we know that

The scale is 1\ inch: 20\ miles

That means

1 inch on a map represent 20 miles in the city

so

An area of (1)(1)=1\ in^2 on a map represent an area of (20)(20)=400\ mi^2 in the city

Applying proportion

\frac{1}{400}\ \frac{in^2}{mi^2}=\frac{x}{900}\ \frac{in^2}{mi^2}\\\\x=900/400\\\\x=2.25\ in^2

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3 years ago
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