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k0ka [10]
3 years ago
13

What is the answer to this

Mathematics
1 answer:
kvv77 [185]3 years ago
7 0
A is correct
3x + (2x + 3) = 5x + 3



good luck
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Round 16.527 to the nearest tenths place.
k0ka [10]
The answer is 16.5. because of the 2 after the 5, you keep it the same
3 0
3 years ago
Read 2 more answers
The first term of a geometric series is -3, the common ratio is 6, and the sum of the series is -4,665. Using a table of values,
tamaranim1 [39]

Answer:

Option A. 5

Step-by-step explanation:

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

First term (a) = –3

Common ratio (r) = 6

Sum of series (Sₙ) = –4665

Number of term (n) =?

The number of terms in the series can be obtained as follow:

Sₙ = a[rⁿ – 1] / r – 1

–4665 = –3[6ⁿ – 1] / 6 – 1

–4665 = –3[6ⁿ – 1] / 5

Cross multiply

–4665 × 5 = –3[6ⁿ – 1]

–23325 = –3[6ⁿ – 1]

Divide both side by –3

–23325 / –3 = 6ⁿ – 1

7775 = 6ⁿ – 1

Collect like terms

7775 + 1 = 6ⁿ

7776 = 6ⁿ

Express 7776 in index form with 6 as the base

6⁵ = 6ⁿ

n = 5

Thus, the number of terms in the geometric series is 5.

8 0
2 years ago
Help plz................
Pani-rosa [81]
You have the formula. Put in the numbers and solve for r.

The interest earned in 4 years on 5000 is (6500 -5000) = 1500.
.. I = Prt
.. 1500 = 5000*r*4
.. 1500/20000 = r = .075 = 7.5% . . . . . . matches selection B
7 0
3 years ago
Glen has a total of 16 pens. 6 of the pens are blue, and the rest are red. what is the ratio of blue pens to red pens?
mote1985 [20]
3:5

The ratio before simplifying was 6:10

6:10 is the same as 3:5
5 0
3 years ago
Read 2 more answers
Can someone help pls
Roman55 [17]

Answer:

That means the missing side length is 15

Step-by-step explanation:

We use the Pythagorean theorem to find the hypotenuse. The hypotenuse for this triangle is 17. The equation for the Pythagorean theorem is a^2 + b^2 = c^2. Our equation is x^2+64 = 289. We can now subtract 64 from both sides and get 225. The square root of 225 will be 15.

8 0
3 years ago
Read 2 more answers
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