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never [62]
3 years ago
15

7w + w - 15 = 17 solve the equation. Check the solution

Mathematics
1 answer:
Rasek [7]3 years ago
7 0

Answer:

Step-by-step explanation:

7w+w-15=17

8w=17+15  add like terms

8w=32 divide

w=32/8=4

now check

7*4+4-15=17

28+4-15=17

17=17

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What are the solutions of this quadratic equation? x + 2x = -2​
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Answer:

x + 2x = -2

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x = -2/3

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x = -66.66

3 0
3 years ago
Determine whether the geometric series 27 + 18 + 12 + 8 + ... converges or diverges, and identify the sum if it exists.
Ne4ueva [31]

The given geometric series as shown in the question is seen to; Be converging with its' sum as 81

<h3>How to identify a converging or diverging series?</h3>

We are given the geometric series;

27 + 18 + 12 + 8 + ...

Now, we see that;

First term; a₀ = 27

Second Term; a₁ = 2(27/3)

Third term; a₂ = 2²(27/3²)

Fourth term; a₃ = 2³(27/3³)

Thus, the formula is;

2ⁿ(27/3ⁿ)

Applying limits at infinity gives;

2^(∞) * (27/3^(∞)) = 0

Since the  terms of the series tend to zero, we can affirm that the series converges.

The sum of an infinite converging series is:

S_n = a/(1 - r)

S_n = 27/(1 - (2/3)

S_n = 81

Read more about converging or diverging series at; brainly.com/question/15415793

#SPJ1

6 0
2 years ago
Simplify (−7.5)(5)(6.2).<br><br> −232.5<br><br> −23.25<br><br> 23.25<br><br> 232.5
PtichkaEL [24]
-7.5 x 5 x 6.2 = -232.5
5 0
3 years ago
Read 2 more answers
What is the answer to this question
Gre4nikov [31]
It’s 4.08x10 to the 6 power. Which is answer A
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3 years ago
The diagram shows a door that has a window in it. The front faces of the door and the window are similar rectangles that have th
Aloiza [94]

Answer:

Step-by-step explanation:

The diagram shows a door that has a window in it. The front faces of the door and window  are similar rectangles that have the dimensions shown. What is h, the height of the window in centimeters?

A. 66 cm

B. 150 cm

C. 186 cm

D. Not here.

Source:

Question that can be found at quizizz

Step-by-step explanation:

Let's recall that if the door and the window in it are similar rectangles, then we have:

8 0
3 years ago
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