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Bas_tet [7]
3 years ago
7

What is the probability of rolling two 5? P(5,5)

Mathematics
1 answer:
dexar [7]3 years ago
8 0

Answer:

This question is almost impossible to answer, because some numbers are more likely to be rolled than others, but for the purposes of this question, the answer is 1 in 36.

Step-by-step explanation:

Assuming that all numbers are equally likely to be rolled, the answer is 1 in 36.  For just one 5, the answer is 1 in 6, because there are 6 sides on a dice, and the number five is only on one side of that dice. However, we are talking about two 5s, so we need to multiply 1 in 6 by 1 in 6, or 1/6 x 1/6, which equals 1/36.

Hope this helped! If it did, please give me brainliest! It would help a lot! Thanks! :D

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Square Root
Lynna [10]

Answer:

Domain: [0,infinity)

Range: [0,infinity)

X-intercept: (0,0)

Y-intercept: (0,0)

Step-by-step explanation:

5 0
3 years ago
The answer for this system
Natali [406]
Consider this option:
\left \{ {{y=3x-4} \atop {2x+3y=21}} \right. \ =\ \textgreater \  \  \left \{ {{y=3x-4} \atop {2x+3(3x-4)=21}} \right. \ =\ \textgreater \  \  \left \{ {{y=3x-4} \atop {11x=33}} \right. \ =\ \textgreater \  \  \left \{ {{x=3} \atop {y=5}} \right.

answer: (3;5).
8 0
3 years ago
4. Rhea obtained a CO-OP credit working at a computer store. They have now hired her for a summer job with
Harman [31]

Answer:

1. E = 8h + 0.05s

2. $2,800

3. please check explanations

Step-by-step explanation:

Firstly, we need an expression for what she earns.

The key to answering this is to know that 5% is same as 5/100 = 0.05

So , if her total sales is given as S, the amount she makes as commission would be 0.05s

So the Total earnings given that she works h hours per week and earns $8/h is $8h

So total earnings E = 8h + 0.05s

Now we want to get to total sales given she worked 15 hours last week and earned $260 in total.

What this means is that we have h and E and we want to find s for that week.

What we need to do is to plug the values into the equation we have defined above;

Thus;

260 = 8(15) + 0.05s

260 = 120 + 0.05s

0.05s = 260-120

0.05s = 140

s = 140/0.05

s = $2,800

I think employers offer commission to serve as a form of morale booster which helps to make their employees work better by sustaining their enthusiasm on the job and also augment their salaries

No, I do not think there are potential problems

8 0
3 years ago
2+3x=-4(5+2x) solve for x, help please
Misha Larkins [42]

Answer:

x=-2

Step-by-step explanation:

2+3x=-4.(5+2x)

Expand  \: the  \: parentheses:

2 + 3x =  - 4.5 - 4.2x

Simplify \:  the \:  arithmetic:

2 + 3x =  - 20 - 4.2x

Solve \:  by \:  distributing:

2 + 3x =  - 20 - 8x

Group  \: all \:  x  \: terms \:  on \:  the  \: left  \: \\  side \:  of  \: the \:  equation

2 + 3x =  - 20 - 8x

Add  \: 8x \:  to  \: both \:  sides:

2 + 3x + 8x =  - 8x  + 8x

Simplify  \: the \:  arithmetic:

11x + 2 =  - 20 - 8x + 8x

Group \:  like  \: terms:

11x + 2 =  - 8x + 8x - 20

Group \:  all  \: constants \:  on \:  the \:  right  \\  \: side \:  of  \: the \:  equation

11x + 2 =  - 8x + 8x - 20

Subtract \:  2  \: from  \: both \:  sides:

11x + 2 -  =  - 20 - 2

Simplify \:  the  \: arithmetic:

11x =  - 20 - 2

Simplify  \: the \:  arithmetic:

11x =  - 22

Isolate \:  the \:  x

11x =  - 22

Divide  \: both \:  sides \:  by  \: 11:

\frac{11x}{11}  =  \frac{ - 22}{11}

Simplify \:  the \:  fraction:

x =  \frac{ - 22}{11}

Find  \: the \:  greatest \:  common \:  factor  \\  \: of  \: the  \: numerator \:  and  \: denominator:

x =  \frac{ - 2.11}{1.11}

Factor \:  out  \: and \:  cancel  \: the \:  greatest   \\ \: common \:  factor:

x =  - 2

Thanks!!!!!!!

4 0
3 years ago
Read 2 more answers
How long is a guy wire reaching from the top of a 6ft. Pole to a point on the ground 4ft. From the pole
dlinn [17]

Answer:

the guy wire is 7.211 ft long

Step-by-step explanation:

Notice that we are in the presence of a right angle triangle formed by: the height (the standing 6 ft pole), the base (the distance from the pole to the anchoring point on the ground), and the actual guy wire. See attached image for reference.

Notice that since pole and ground are perpendicular to each other (at 90 degrees) , the guy wire forms what is called the "hypotenuse" (longest side) of the right angle triangle. We can therefore use the Pythagorean Theorem to solve this problem with the formula for the hypotenuse:

Hypotenuse=\sqrt{side1^2 +side2^2} \\Hypotenuse= \sqrt{6^2+4^2}\\Hypotenuse=\sqrt{36+16} \\Hypotenuse=\sqrt{52} \\Hypotenuse=7.2111\, ft

4 0
3 years ago
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