4x=(-3x)+18
7x=18
x≈2.5
4(2.5)=3y-2
10=3y-2
12=3y
y=4
your answer is B.(2.5,4)
Answer: this is what i know
Houghton Mifflin Harcourt Publishing Company Holt McDougal Analytic Geometry Challenge 1. Triangle Sum 2. m 7 3. 90° 4. m 5 5. 180° 6. 180°
Answer:
use a ratio
Step-by-step explanation:
you work 10 hours and make $25. How much do you earn per hour? (this is your unit rate.)
<u>10 hours</u>
$25
divide and you get an answer of $2.50 per hour
to check your answer work the problem backwards, take $2.50 times 10 hours = $25
Answer:
25 minutes
Step-by-step explanation:
he runs 4 laps in 8 minutes
so he runs 1 lap is 8/4 = 2 minutes
Therefore he rub 12.5 laps in 2 * 12.5 = 25 minutes