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3 years ago

2(3b-2)<4b+8 solve each inequality.

Mathematics

1 answer:

erastovalidia [21]3 years ago

8 0

Answer:

b < 6

Step-by-step explanation:

$2(3b-2)$

$6b-4$

$6b-4b$

$2b$

$b$

Hope this helps

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Gabrielle's age is three times Mikhail's age. The sum of their ages is 56, what is Mikhail’s age?

4vir4ik [10]

Gabrielle's age is 3x (in which x is mikhail's age)
the sum is 56 so 3x+x=56

3x+x=56
4x=56
x=14

since x was mikhail's age, mikhail is 14 years old

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3 years ago

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vladimir1956 [14]

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3 years ago

Mr. O’Brian is paid $7.30 per hour for 40 hours he works in a week. He is paid 1.5 times that rate for each hour after that

posledela

Hey You!

7.30 × 1.5 = 10.95

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So, Mr. O'Brian was paid $438 after he was paid 1.5 times the previous rate for 40 hours.

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3 years ago

Find the product (x+2)(x+3)

Katyanochek1 [597]

Answer:

$x^{2}$ +5x+6.

Step-by-step explanation:

Here you can use the foil method.

1. Multiply x by x to get $x^{2}$ .

2. Multiply x by 3 to get 3x.

3. Multiply 2 by x to get 2x.

4. Multiply 2 by 3 to get 6.

Now, you have to add all those terms to get $x^{2}$ +3x+2x+6 and you can simplify that to $x^{2}$ +5x+6.

5 0

3 years ago

20 POINTS * A circle has a radius of 6. An arc in this circle has a central angle of 48°

storchak [24]

Answer:

$\frac{8\pi}{5}$

Step-by-step explanation:

Since this is a degree we going to use the arc length formula

$2\pi \times( r)( \frac{x}{360)}$

where x is the central angle measure and r is the radius.

The radius is 6 and the central angle is 48 so let plug that in the formula

$2\pi \times (6)( \frac{48}{360} )$

Multiply 2 pi by 6

$12\pi \times ( \frac{48}{360} )$

$12\pi \times \frac{4}{30}$

$\frac{12\pi}{1} \times \frac{4}{30} = \frac{48\pi}{30}$

$\frac{8\pi}{5}$

8 0

3 years ago