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lions [1.4K]
3 years ago
7

place parenthesis in the expression ok the left sp that the esperssion simplifies to the expression on the right: -5+5-4a+1=20a

Mathematics
1 answer:
Alex777 [14]3 years ago
7 0
Im so smart ima leave this not aswered because its so easy
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jarptica [38.1K]
$680 is the answer...........
7 0
3 years ago
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A sphere and a cylinder have the same radius and height. The volume of the cylinder is 27 ft.
rosijanka [135]

Answer:

Step-by-step explanation:

for the cylinder

27π = πr²h = πr²(2r) = 2πr³

for the sphere

V = (4/3)πr² = (2/3)(2πr³) = (2/3)27π

7 0
3 years ago
Pete adds 78 to the fata set below. 20,32,32,45,50. Which statement below will be true?
ozzi

Answer:

the inter-quartile range will increase

Step-by-step explanation:

The initial data-set was;

20,32,32,45,50

Adding a new value 78 will have several effects;

The mean of the new set of values will increase since 78 is mostly likely to be an outlier.

The median of the new data set will increase. The median of the old data set is 32 while that of the new data set will be 38.5

The mode is the most frequent observation. Both the new and the old sets of values will have a mode of 32. The mode will therefore remain the same.

The inter-quartile range just like the range will increase

4 0
3 years ago
(3a+ 2b) -(a+b)=<br> what is the answer??
yaroslaw [1]

3a + 2b - a - b =

3a - a + 2b - b =

2a + b

6 0
2 years ago
What is the approximate volume of the cone? use 3.14 for
Natali5045456 [20]

Answer:

157 cm²

Step-by-step explanation:

volume = (1/3) * π * r² * h

volume = (1/3) * π * 5² * 6

volume = (1/3) * π * 25 * 6

volume = (1/3) * π * 150

volume = (1/3) * 471

volume = 157 cm²

8 0
3 years ago
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