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siniylev [52]
2 years ago
10

Please answer this friends I am stuck ?

Mathematics
1 answer:
goblinko [34]2 years ago
4 0

Answer:

<u>10°C average temperature</u>

Step-by-step explanation:

Average Temperature = Lowest + 17

= -7 + 17

= 17 - 7

= <u>10°C average temperature</u>

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A boat travels 30 miles up the river in the same amount of time it takes to travel 38 miles down the same river. If the current
Ksenya-84 [330]
X miles per hour  -  <span> speed of the boat in still water
(x - 2)  -  speed up the river
(x + 2)  -  speed down the river
</span>
\frac{30}{x - 2} = \frac{38}{x + 2}
30 * (x + 2) = 38 * (x - 2)
30x + 60 = 38x - 76
- 8x = - 136
x = 17 miles per hour  -  <span>the speed of the boat in still water.</span>
5 0
3 years ago
If the two terms of a gemotric sequence are a1=216, and a2=72, which is the third term? a3?
Ierofanga [76]
GEOMETRIC \: \: PROGRESSIONS \\ \\ \\\\Let \: the \: G.P. \: be \: \: A \: , \: Ar \: , \: A {r}^{2} \: ... \\ \\ Where \:first \: term \: is \: \: A \: \: \\ and \: common \: ratio \: is \: \: R \\ \\ Let \: An \: denotes \: the \: \: nth \: term \: of \: \\ the \: given \: Geometric \: Progression \: \\ \\ It \: is \: given \: - \\ \\ A1 \: = \: 72 \\ \\ A2 \: = \: 216 \\ \\ Common \: ratio \: = \: \frac{A2}{A1} = \frac{216}{72} \\ \\ R = 3 \\ \\ A \: = \: 72 \\ \\ A3 \: = \: A {r}^{2} = 72 \times 3 \times 3 \\ \\ \\ Hence \: , \: A3 \: = \: 648 \: \: \: \: \: \: \: Ans.
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3 years ago
4 (×+2) show step if you can
chubhunter [2.5K]
I believe the answer is 4x + 8. you multiply 4 by x which makes 4x. Than you multiply 4 by 2, making 8. 
5 0
3 years ago
Read 2 more answers
Please help !!!!!!!!!!!!!!!!
irina [24]

Answer:

Please refrain from posting duplicate questions.

Step-by-step explanation:

All Brainly users all need a fair chance at getting help on their questions too. Please refer to the brainly.com guidelines.

7 0
3 years ago
Missing the y-value in the table?
jeyben [28]

Answer:

-1

Step-by-step explanation:

The constant rate of change is -y for every one x.

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3 years ago
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