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max2010maxim [7]
3 years ago
9

In the order of operations, expressions inside parentheses are evaluated before exponents.

Mathematics
2 answers:
Morgarella [4.7K]3 years ago
4 0
Im guessing the answer is true.... not 100% sure tho
Sliva [168]3 years ago
4 0
This is true due to PEMDAS- parentheses, exponents, multiplication, division, addition, and finally subtraction in that exact order.
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What to write it here
Orlov [11]

Answer:

84 degrees

Step-by-step explanation:

Angle A = 83 degrees

Angle B = x degrees

Angle C = 135 degrees

Angle CDE = 122 degrees

We know that the four inner corners of a quadrilateral should add up to 360 degrees. Two supplementary angles will add up to 180 degrees. Adjacent angles on a straight line will always be supplementary. Knowing this, just solve for <ADC and add that amount to <A and <C. Then, subtract that sum from 360 degrees.

<ADC = 180-122 = 58

58+83+135 = 276

360-276 = 84 degrees

7 0
2 years ago
A box of oatmeal has the shape of a cylinder. The box is 7 inches high and has a radius of 2 inches. What is the volume of the b
ICE Princess25 [194]

Answer:

87.96

Step-by-step explanation:

The formula for a cylinder. (Well to find the volume anyway) Is

V = V = \pi r^2

Plug in your values and you will get the answer 87.96.

5 0
3 years ago
At the U.S open tennis championship a statistician keeps track of every serve that a player hits during the tournament. The mean
GarryVolchara [31]

Answer:

Step-by-step explanation:

Both 115 and 145 mph are above the mean.  Draw a normal curve and mark these speeds.  115 mph is 1 standard deviation above the mean; 130 would be 2 standard deviations above the mean; and 145 would be 3 s. d. above it.

We need to find the area under the standard normal curve between 115 and 145.  This is equivalent to the area under the standard normal curve between z = 1 and z = 3.

I used my TI-83 Plus calculator's DISTR function "normalcdf(" to calculate this area:  normalcdf(1, 3) = 0.1573.

The area between z = 1 and z = 3 is 0.1573.  In other words, the percentage of serves that were between 115 and 145 mph was 15.73%.

8 0
3 years ago
PLZ HELP I NEED HELP PLZ
Llana [10]

Answer:

ok I will help

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is X?<br> x-3.9=12.4
valentinak56 [21]

Answer:

Its 8.5

Step-by-step explanation:

I calculator

12.4+-3.9=8.5

4 0
3 years ago
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