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Marina86 [1]
3 years ago
13

52,53,54,55,56,57,58,58,60,61 how many numbers are prime

Mathematics
1 answer:
Molodets [167]3 years ago
3 0

52,53,54,55,56,57,58,58,60,61 how many numbers are prime


53 and 59 are prime


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Zigmanuir [339]
Probability first one is blue is 4/6+4+4=4/14
the second one is also blue is 4-1/6+4+4-1=3/13

The probability of getting blue both time is 4/14*3/13=12/182=0.0659=6.59%

Answer:
0.0659 or 6.59%
7 0
4 years ago
Suppose on a certain test, fifty students earn a perfect score and fifty students earn a zero. Determine the mean grade and stan
andrey2020 [161]

The mean is 50 because if half get a "100" and the other half get a "0" the mean is 50. The standard deviation is 7.07 when you plug this into the 1-VARS stats on a calculator after putting this data in L1 List data set on the calculator.

a. 50

b. 7.07

8 0
3 years ago
Read 2 more answers
-8x + 2x -16 &lt; -5x + 7x<br><br> could you explain the answer
tigry1 [53]

Answer:

x > -2

Step-by-step explanation:

First, you simplify both sides of the inequality by combining like terms

-8x + 2x -16 < -5x + 7x

-6x - 16 < 2x

Then, you add 6x to both sides in order to isolate x (bring all the Xs to one side)

-6x - 16 + 6x < 2x + 6x

-16 < 8x

Lastly, you divide by 8 in order to cancel out 8x solve for x. Since 8 is not a negative number, you DO NOT flip the sign.

\frac{-16}{8} < \frac{8x}{8}

-2 < x

3 0
3 years ago
Kkkkkkkkkkkkkkkkkkkkkkkk
Aloiza [94]
The formula for slope is y = mx + b
y is the y value, m is the slope, x is the x value, and b is the y intercept.

The equation given for line e is
y = \frac{ - 9}{2} x + 7
Therefore the slope of line e is -9/2
Line f is parallel and parallel lines have the same slope.

So the slope is line f is -9/2.

The picture isn't that clear and I can't really tell if it's-9/2 or 9/2.
But whatever it is, the slope of line f is the same as the slope of line e because they are parallel.
Good luck!
8 0
4 years ago
At the local Convenience store William and Sarah are getting snacks for the friends. William buys 3 soft drinks and 2 hot dogs a
vladimir2022 [97]

Answer:

Soft drink: $1.40

Hot dog: $1.75

Step-by-step explanation:

variables:

soft drink- d

hot dog- h

set up equation:

3d+2h=7.70

2d+1h=4.55

solve:

7 0
3 years ago
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