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3 years ago

14

Are these all correct? Please let me know quickly.

1 answer:

arlik [135]3 years ago

3 0

yes!!!!!!!!!!!!!!!!!!!!!

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-3(-6b+5)? Solve bih

madam [21]

Answer:

$18b - 15$

Step-by-step explanation:

<u>Step 1: Distribute </u>

$-3(-6b + 5)$

$(-3 * -6b) + (-3 * 5)$

$18b - 15$

Answer: $18b - 15$

<u>If needed solve for b </u>

$18b - 15 + 15 = 0 + 15$

$18b / 18 = 15 / 18$

$b = 0.8333...$

4 0

3 years ago

Read 2 more answers

Write an<br> i explicit formula for an, the nth term of the sequence 200, 40, 8, ....

Ugo [173]

Answer:

$T_n = 200 * (\frac{1}{5})^{n-1$

Step-by-step explanation:

Given

$Sequence: 200,40,8$

Required

The nth term

The given sequence is a geometric sequence.

So, first we identify the first term

$a = 200$

Calculate common ration

$r = \frac{40}{200}$ or $r = \frac{8}{40}$

$r = \frac{1}{5}$

So, the nth term is:

$T_n = ar^{n-1$

$T_n = 200 * (\frac{1}{5})^{n-1$

5 0

2 years ago

Consider this story problem: "Priscilla bought cheese that weighs ¾ pounds. If she divides it into portions that are each 1/8 po

Katena32 [7]

Answer:

4

Step-by-step explanation:

8 0

3 years ago

The domain is x≥ 2 and the range is y≥ 5. The domain is x≥ 2 and the range is y≥ 6. The domain and range are all positive real n

Dmitry [639]

Answer:

A

Step-by-step explanation:

4 0

2 years ago

The length of a rectangle is 6 meters more than its width. The area of the rectangle is 114 square meters. Which of the followin

Leno4ka [110]

Answer:

last one

Step-by-step explanation:

x = width

x+6 = length

Area = length times width

x(x + 6) = $x^{2}$ + 6x

$x^{2}$ + 6<em>x = 114 (subtract 114 from both sides) </em>

<em /> $x^{2}$ <em> + 6x -114 = 0</em>

8 0

2 years ago