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LenKa [72]
3 years ago
13

A standard die is rolled. Calculate the following probabilities. Express your answer as a fraction in lowest terms. a) The numbe

r rolled is greater than 3. b) The number rolled is less than or equal to 3. C) The number rolled is a 6. Answer How to Enter 9 Points Keypad
Mathematics
1 answer:
saul85 [17]3 years ago
4 0

A).1/2(4,5,6)

B).1/2(1,2,3)

C).1/6(6)

Can I get brainliest please?

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Which expression best represents the difference between triple a number and double a number?
rusak2 [61]
Let x be the number. With this representation, double this number is 2x and thrice is 3x. We are asked to give an expression for the difference (subtraction) of these numbers, the answer to this question should be,
                                 3x - 2x
6 0
3 years ago
Read 2 more answers
There are 30 coins all dimes and quarters on the table worth
nignag [31]

Answer:

We can set up a system of equations.

x + y = 111

0.25x + 0.10y = 18.30

x + y = 111

Subtract 'y' to both sides:

x = -y + 111

Plug in '-y + 111' for 'x' in the 2nd equation:

0.25(-y + 111) + 0.10y = 18.30

Distribute 0.25 into the parenthesis:

-0.25y + 27.75 + 0.10y = 18.30

Combine like terms:

-0.15y + 27.75 = 18.30

Subtract 27.75 to both sides:

-0.15y = -9.45

Divide -0.15 to both sides:

y = 63

Plug this back into any of the two equations to find the 'x' value.

x + y = 111

x + 63 = 111

Subtract 63 to both sides:

x = 48

So there are 48 quarters and 63 dimes.

Step-by-step explanation:

Hope This Helps!

3 0
3 years ago
A customer desires to mix her own concrete. The clerk knows that the ratio of cement to sand to gravel is 1:3:4. If the customer
Aleks [24]

Answer:

The quantity of cement use is 125 pounds

The quantity of sand use is 375 pounds

The quantity of gravel use is 500 pounds

Step-by-step explanation:

Given as :

The ratio of cement to sand to gravel = 1 : 3 : 4

The total quantity of dry mix required = 1000 pounds

Let The quantity of cement required = 1 × x pounds

The quantity of sand required = 3 × x pounds

The quantity of gravel required = 4 × x pounds

So, According to question

The total quantity of dry mix required = The quantity of cement required + The quantity of sand required + The quantity of gravel required

Or, x + 3 x + 4 x = 1000 pounds

Or, 8 x = 1000 pounds

∴  x = \frac{1000}{8}

I.e x = 125

So , The quantity of cement required = 1 × 125 pounds = 125 pounds

The quantity of sand required = 3 × 125 pounds = 375 pounds

The quantity of gravel required = 4 × 125 pounds = 500 pounds

Hence The quantity of cement use is 125 pounds

The quantity of sand use is 375 pounds

The quantity of gravel use is 500 pounds

Answer

8 0
3 years ago
What is measure of angle R? Enter your answer as a decimal, round only your final answer to the nearest hundredth.
victus00 [196]
Tan-1(8/15)=  28.07 degrees.
7 0
3 years ago
Solve for z.<br> 25z = 175
LUCKY_DIMON [66]

Answer: z = 7

Step-by-step explanation:

6 0
3 years ago
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