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ohaa [14]
3 years ago
6

What is the number equal to 30 ones + 2 tens – 4 tens?

Mathematics
1 answer:
Stolb23 [73]3 years ago
5 0

Answer:

-2

Step-by-step explanation:

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Write each ratio as a fraction in lowest terms. 8 to 9​
3241004551 [841]

Answer:

8/17 and 9/17

Step-by-step explanation:

8:9

both add up to 17

so it can be 8/17 or 9 but it cannot be simplified unless if you want them both as a mixed number which is

8/17 as a mixed number is 2 1/17

9/17 as a mixed number is 1 8/17

8 0
3 years ago
Please help the image provides the question.
Goryan [66]
Part A:
at the time x=4, the elevation = 3
at the time x=8, the elevation = 6
and 6-3=3in.
PART A ANSWER= 3in.

Part B:
the time period will be when the slope (y=mx+b) is the steepest. this would be from t=14 to t=18.
so, y=7.5-3= 4.5
ANS=4.5
8 0
3 years ago
How many steel rods are in a staircase frame with 12 steps?
kolbaska11 [484]
180 steel rods to be exact
3 0
3 years ago
X and Y are two categorical (uncoded) variables. Can we calculate a correlation coefficient for them:
Lisa [10]

Answer:(c). No. Both variables must be quantativite

Step-by-step explanation:

Both variables must be quantitative because we can calculate Pearson correlation if they are both quantitative

3 0
3 years ago
what is the surface area of the cylinder? Use 3.14 for pi and round your answer to the nearest hundredth
xeze [42]

Answer:

954.56 in²

Step-by-step explanation:

A = 2×π·r² + 2·π·r·h

= 2×3.14×64 + 2×3.14×8·11

= 401.92 + 552.64

= 954.56 in²

4 0
3 years ago
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