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labwork [276]
3 years ago
10

What is the value of the expression 7- x when x =2.

Mathematics
2 answers:
Schach [20]3 years ago
6 0

Answer:

5 is the answer of the equation

abruzzese [7]3 years ago
4 0

Answer:

5

Step-by-step explanation:

7-x

x=2

7-2

5

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The sloping side of a cone is 10cm and the height is 8cm. find the radius of the base
amid [387]
You can use Pythagoras theorem to find the radius.

r^2 + 8^2 = 10^2

r^2 + 64 = 100

r^2 = 36

r = 6
3 0
3 years ago
The surface area of the prism is ______ square units. All measurements in the image below are in units. (Input whole number only
Leni [432]
The surface are of the shape is 251.5 units (sorry if that is wrong)

6 0
3 years ago
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Penny is counting the days until her grandma comes to visit. There are 98 days left. How many weeks are left until Penny's grand
Lorico [155]
Create a unit rate.
1 wk/ 7 days
x wk/ 98 days
Cross multiply.
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3 0
3 years ago
Calvin is mixing colored gravel for the bottom of his fish tank. He mixes 12 pounds of blue gravel with 3 pounds of purple grave
Flura [38]

Answer:

B.4

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I did 12 divided by 3 = 4

8 0
3 years ago
20 POINTS
SIZIF [17.4K]
Let get all the information.
Mean:394
Deviation:35
Looking for At Least 380 feet
To find the z score you take the wanted probality subtract the mean and divide by the deviation.
z=(380-394)/35.
z=-0.4
So far so good.
But when he looked at the table he looked at probability that the home runs are less then 380 feet.
From this table
http://www.stat.ufl.edu/~athienit/Tables/Ztable.pdf
To find the answer you have to take 1-(the probability that the home runs are less than 380 feet)or 1-0.3446=0.6554
He made an error in his calculation.
8 0
3 years ago
Read 2 more answers
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