Answer:
c = 30.56 to the nearest hundredth
Step-by-step explanation:
87 = 9/5 c + 32
87 - 32 = 9/5 c
9/5 c = 55
multiply both sides by 5/9:
c = 55*5 / 9
c = 30.56.
So, in order to round the the tens, we need to look at the ones place.
So we look at the underlined digit and see if it is 5 or higher (it is)
289<u>5</u>
So, since it's 5, we raise the next place up. so now the 10's place has 10, so we need to raise the next place up further.
2900
Answer:
c. -2
Step-by-step explanation:
because the linear line goes down we know it is negative
and its not 1/2 because it is rise over run. it runs 1 and rises 2 (or drops 2 because it is negative)
rise over run = -2/1 = -2
A. Which reduction should she use so the picture fills as much of the frame as possible, without being too large?
Find the scale factor to get rom 7 1/3 inches to 5 1/3 inches:
5 1/3 / 7 1/3 = 0.7272
Now rewrite the fraction as decimals:
2/3 = 0.667
¾ = 0.75
5/9 = 0.555
The closest scale that would still fit the frame would be 2/3 because it is under 0.727.
B. How much extra space is there in the frame when she uses the reduction from Part A?
Multiply the original size by the scale factor to use:
7 1/3 x 2/3 = 4 8/9
Now subtract the scaled size from the original size:
7 1/3 – 4 8/9 = 2 4/9 inches extra
C. If she had a machine that could reduce by any amount, so that she could make the reduced picture fit in the frame exactly, what fraction would the reduction be?
Convert the scale from part A to a fraction:
0.72 = 72/99 which reduces to 8/11
22x12x5 and you will get the answer
