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Vaselesa [24]
4 years ago
14

A car travels 390 miles in 13 hours (with a constant speed). How much time will it take traveling 247 miles?

Mathematics
1 answer:
andre [41]4 years ago
4 0

It’s 8.2333. Just round it

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Write an equation to represent :P
SVEN [57.7K]
$55+$40=95 for 1 hr

95x2=$190

so she came for 2 hrs
7 0
3 years ago
A: What are the solutions to the quadratic equation?
noname [10]

Answer:

<h2>A. x = -1 or x = 3</h2><h2>B. first</h2>

Step-by-step explanation:

x^2-2x-3=0\\\\x^2+x-3x-3=0\\\\x(x+1)-3(x+1)=0\\\\(x+1)(x-3)=0\iff x+1=0\ \vee\ x-3=0\\\\x+1=0\qquad\text{subtract 1 from both sides}\\x=-1\\\\x-3=0\qquad\text{add 3 to both sides}\\x=3

3 0
3 years ago
the ratio of students at a school is 3 boys for every 4 girls. If there are 52 girls how many boys are in the school
vova2212 [387]
There are 39 boys. 
First you divide 4 into 52 because there are 3 boys for 4 girls. 
Then you take the quotient, 13, and multiply by 3.
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4 years ago
Can someone please help?
Masja [62]
Wish I could but forgot man sorry
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4 years ago
Help please!!!! need it asap
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