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Goshia [24]
2 years ago
14

Last question before class ends. Will give 20pts for help!

Mathematics
2 answers:
Murrr4er [49]2 years ago
4 0

Answer:

K is 9 and A is 7 im not sure if im right or not.

step-by-step explanation:

Ivanshal [37]2 years ago
3 0

Answer:

k = 8.5

a = 26

Step-by-step explanation:

triangle DEF is dilated by 2 of triangle PQR

so 13 x 2 is 26

and 17/2 is 8.5

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WV is the
PilotLPTM [1.2K]

Answer:

WV is the perpendicular bisector of UT.

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3 years ago
The diameters of cherry tomatoes produced by a large farm have an approximately Normal distribution, with a
Citrus2011 [14]

Answer: D. 0.9967

Step-by-step explanation: To solve this, you need to do the z-score formula with both numbers. So 30-22/2.5 = 3.2. On the z-score chart, that equals .9993. Hold onto that number. Then you do the same with 15. 15-22/2.5 = -2.8. On the z score chart, that equals .0026. Subtract those numbers. .9993 - .0026 = .9967. It's not as compacted as it looks <3

7 0
3 years ago
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
Does the function model exponential growth or decay?<br> h(t) = 0.25 · 1.56
boyakko [2]

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Step-by-step explanation:

The value of b, 1.56, is greater than 1.

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3 years ago
2X +7 &lt; 3X -5——————————————————————————————-
mr Goodwill [35]

Answer:

x>12

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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