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goldfiish [28.3K]
3 years ago
10

Hello pa help po pre cal yan​

Mathematics
1 answer:
aliya0001 [1]3 years ago
5 0

Answer:

I would love to help, Could you put the question in English?

Step-by-step explanation:

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Combine the following sets of terms.<br> I'll give brainiest to first person to answer.
Phoenix [80]
Combining like terms
x^2+4x+1
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3 years ago
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3. The fish tank shown at right needs to be cleaned. The cleaning product instructions state that three drops should be put in t
sasho [114]

Drops = 27

First, we need to find the volume of the given tank using the following equation

Volume = Length*Width*Height\\Volume =14*9*10\\Volume =1260\\

Now that we know the volume, we need to find out how many drops that we need to use. We can find that out using the following equation

Drops = 3\frac{Volume}{140} \\Drops = 3\frac{1260}{140} \\Drops = 3(9) \\Drops = 27

3 0
3 years ago
write a fraction equal to 3/5 that has a denominator of 10 then write a fraction equal to 1/2 that has a denominator of 10
lions [1.4K]
A fraction equivalent to 3/5 with a denominator of 10
First, find another number that you can multiply your denominator by to get 10
5 x 2 = 10
Now, multiply both the numerator and the denominator by that number.
3 x 2 = 6
5 x 2 = 10
And put the new numbers into the fraction.
6/10
An equivalent fraction to 3/5 with a denominator of 10 is
6/10
A fraction equal to 1/2 with a denominator of 10
First, find a number that you can multiply the denominator by to get 10
2 x 5 = 10
Then, multiply the numerator and denominator by that number.
1 x 5 = 5
2 x 5 = 10
Now, put the new numbers into the fraction.
5/10
A fraction equal to 1/2 with a denominator of 10 is
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So, the two fractions are
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6 0
3 years ago
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Please Help! A bag contains four green marbles and five yellow marbles. You randomly select three marbles. What is the probabili
maxonik [38]

Answer:

A. 0.088

B. 0.048

C. 1.83 times

Step-by-step explanation:

From the question given above, the following data were obtained:

Green (G) = 4

Yellow (Y) = 5

Total = 4 + 5 = 9

A. Determination of the probability of selecting three green marbles with replacement.

Green (G) = 4

Yellow (Y) = 5

Total = 9

P(1st G) = 4/9

P(2nd G) = 4/9

P(3rd G) = 4/9

P(all G) = P(1st G) × P(2nd G) × P(3rd G)

P(all G) = 4/9 × 4/9 × 4/9

P(all G) = 64/729

P(all G) = 0.088

B. Determination of the probability of selecting three green marbles without replacement.

Green (G) = 4

Yellow (Y) = 5

Total = 9

P(1st G) = 4/9

P(2nd G) = 3/8

P(3rd G) = 2/7

P(all G) = P(1st G) × P(2nd G) × P(3rd G)

P(all G) = 4/9 × 3/8 × 2/7

P(all G) = 24/504

P(all G) = 0.048

C. Comparing probability of replacement and without replacement.

P(all G with replacement) = A = 0.088

P(all G without replacement) = B = 0.048

A/B = 0.088/0.048

A/B = 1.83

Cross multiply

A = 1.83 × B

Thus,

P(all G with replacement) = 1.83 × P(all G without replacement)

5 0
4 years ago
Which set of integers is NOT a Pythagorean triple and are NOT side lengths of a right triangle?
Arlecino [84]

Answer:

Answer is 27, 32, 45

Step-by-step explanation:

In the right angle triangle, hypontenous is the longest side.

∴ In each option square of longest side has to be equal to the sum of square of other two side.

We know, h^{2} = a^{2} + b^{2}  ( as per pythogorean theorem)

If we check the last option; 27, 32, 45

In the given set of integer, we have longest side as 45

∴ conisdering 45 as hyptenous

Subtituting the value in the formula

⇒45^{2} = 27^{2} +32^{2}

⇒2025= 729+1024

⇒2025\neq 1753

∴ LHS\neq RHS

Hence, the set of given integer is not a pythagorean triple and are not side length of right angle.

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3 years ago
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