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gulaghasi [49]
3 years ago
15

Please help me!! I'm confused I am not sure what the answer is?

Mathematics
1 answer:
galina1969 [7]3 years ago
4 0

Answer:

my best guess is 2/13 because there are 2 red kings in the deck. I got the 13 because there are 13 different suits


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pipe is 30 3/4inches long if 5 pieaces each 4 1/3 inches long are cut offthe pipe how many inchesof pipe is left
stellarik [79]

30 3/4-4 1/3=26 5/12

26 5/12 /5=5 17/60

5 0
3 years ago
A scientist placed fish eggs in a tank. Each day, twice the number of eggs from the previous day hatch. The expression 5 times 2
kykrilka [37]

Answer:  The answer is 20 eggs.


Step-by-step explanation:  Given that a scientist placed fish eggs in a tank. Also, each day, twice the number of eggs from the previous day hatch, .i.e, if 'x' number of eggs hatch on first day, then '2x' number of eggs will hatch on the second day.

The number of eggs that hatch on the sixth day is given by 5 times 2 to the second power.

So, the number of eggs got hatch on the sixth day is

E_6=5\times 2^2=5\times 4=20.

Thus, the answer is 20 eggs.


3 0
3 years ago
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How can help me with this operation about Pre-Calculus.<br>Simplify
Mrrafil [7]

If we want to compute f(2+h), we have to substitute every occurrence of x with 2+h in the definition of the function:

f(x)=x^2-11x \implies f(2+h) = (2+h)^2-11(2+h) = 4+4h+h^2-22-11h = h^2-7h-18

Similarly, computing f(2) means to substitute the input with 2:

f(x)=x^2-11x \implies f(2) = 2^2-11\cdot 2 = 4-22 = -18

So, we have

f(2+h) - f(2) = h^2-7h-18 - (-18) = h^2-7h

And finally

\dfrac{f(2+h)-f(2)}{h} = \dfrac{h^2-7h}{h} = h-7

5 0
3 years ago
Which of the following can be used to find the volume of a rectangular prism with length 7.5 centimeters, width 2 centimeters, a
mart [117]

Answer:

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  • D. V = 7.5 x 2 x 4.2

Step-by-step explanation:

The volume is the product of the three dimensions, so can be figured as ...

  7.5 × 2 × 4.2 . . . . choice D

Carrying out the first multiplication, this will be equivalent to ...

  15 × 4.2 . . . . . . . . choice C

8 0
3 years ago
When you open a stepladder, you use a brace on each side of the ladder to lock the legs in place. Explain why the triangles form
navik [9.2K]

Answer:

so it can have a better balence

Step-by-step explanation:

4 0
2 years ago
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