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LekaFEV [45]
3 years ago
8

Identify as either rational or irrational, and approximate to the tenths place.

Mathematics
1 answer:
LiRa [457]3 years ago
8 0
Irrational because it isn't a fraction. sqrt(11) = 3.3
tenths is the first number after the decimal
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Simplify: –4(2x – 3y) + 4x – 2(x + 6)
kodGreya [7K]

Multiply the first bracket by -4. Multiply the second bracket by -2

-8x+12y+4x-2x-12

Negative and Negative = Positive

Negative and Positive = Negative

Then do -8x+4x-2x

= -6x+12y-12

Answer is D. -6x+12y-12

4 0
3 years ago
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What is the formula to find the circumference of a circle and how do i do it?
Leni [432]

Answer:

circumference of a circle = 2*pi*radius

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3 0
3 years ago
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cupoosta [38]
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Given P(A) = 0.44, P(B) 0.6 and P(An B) = 0.394, find the value of
geniusboy [140]

Given:

P(A)=0.44,P(B)=0.6,P(A\cap B)=0.394.

To find:

The value of P(A\cup B), rounding to the nearest thousandth.

Solution:

We know that,

P(A\cup B)=P(A)+P(B)-P(A\cap B)

On substituting P(A)=0.44,P(B)=0.6,P(A\cap B)=0.394, we get

P(A\cup B)=0.44+0.6-0.394

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8 0
3 years ago
Express the product of 2x2 + 7x - 10 and x + 5 standard form.​
podryga [215]

Answer: 2x3 + 17x2 + 25x - 50

Step-by-step explanation: Just try to distribute it at every step as follows:

Step 1: Start with the following:

(a + b + c)(d + e)

Step 2: Distribute (d + e) to each of the term in the first parenthesis

a(d + e) + b(d + e) + c(d + e)

Step 3: Distribute d and e to each term:

(ad + ae) + (bd + be) + (cd + ce)

or ad + ae + bd + be + cd + ce without the parentheses.

Step 4: Finally, simplify.

Using the above you should be able to do the following

Step 1: (2x2 + 7x - 10)(x + 5)

Step 2: 2x2(x + 5) + 7x(x + 5) - 10(x + 5)

Step 3: 2x3 + 10x2 + 7x2 + 35x - 10x - 50

Step 4: 2x3 + 17x2 + 25x - 50

4 0
3 years ago
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