3 years ago

What's the probability of getting an even number and a head when rolling a die and then tossing a coin?

Mathematics

1 answer:

Elina [12.6K]3 years ago

7 0

Answer: 1/4

Step-by-step explanation:

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What is the prime factorization of 420?

a_sh-v [17]

we have the factors 2 x 2 x 3 x 5 x 7 = 420. It can also be written in exponential form as 22 x 31 x 51 x 71.

Step-by-step explanation:

6 0

2 years ago

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What is a-2÷5a+a+2÷5a

Andrej [43]

Answer:

=2a

Step-by-step explanation:

a-2/5a and a+2/5a cancel each other out and your left with a+a aka 2a

4 0

3 years ago

What is equivalent to 5 squared times 9 squared

Pepsi [2]

Answer:

2,025

Step-by-step explanation:

5 squared is 5x5 = 25

9 squared is 9x9 = 81

25x81 = 2,025

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3 years ago

Re-write the quadratic function below in Standard Form y=-2(x-6)^2-3

Marat540 [252]

Answer:

Step-by-step explanation:

y=−2x2+24x−75

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3 years ago

Please can someone show me how to work this out step by step without a calculator

Artyom0805 [142]

$2\sqrt8\times8\sqrt2=(2\times8)\sqrt{8\times2}=16\sqrt{16}=16\times4=64$

Alternatively, you can write radicals as rational exponents, so that you get

$2\sqrt8\times8\sqrt2=2\tiems8^{1/2}\times8\times2^{1/2}=2^{3/2}8^{3/2}$

Then recalling that $2^3=8$ , you have

$2^{3/2}8^{3/2}=2^{3/2}(2^3)^{3/2}=2^{3/2}2^{9/2}=2^{12/2}=2^6=64$

5 0

3 years ago