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Ber [7]
3 years ago
13

Solve for x: x(8 + 2) + 3 = 2(5 + x) + 5(x + 1) − 6

Mathematics
1 answer:
antoniya [11.8K]3 years ago
6 0

Answer:

x=2

Step-by-step explanation:

Hopefully these steps will help u!!!

Leave a thanks to let me know this helped u:))

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(-8X^8)(8x^8)<br> What is the answer to this?
jonny [76]

Answer:

If you are trying to simplify this, the answer would be: -64x^{10}

Hope this helps! If not, feel free to comment below and I'll see what else I can do to help. Thanks and good luck!

4 0
1 year ago
A coin bank contains only quarters and dimes. The total value of the coins in the bank is $8.80. If the dimes were quarters and
masha68 [24]

Answer:

  • 18 dimes

Step-by-step explanation:

Let the number of dimes be d and quarters be q

<u>The value is $8.80 = 880¢, so:</u>

  • 10d + 25q = 880 ⇒ 2d + 5q = 176

<u>If the dimes were quarters and the quarters were dimes, the coins' total value would be $7.30 or 730¢</u>

  • 25d + 10q = 730 ⇒ 5d + 2q = 146

<u>Now we have 2 equations. Solving the system by elimination, subtract 5 times the second equation from twice the first equation:</u>

  • 2(2d + 5q) - 5(5d + 2q) = 2(176) - 5(146)
  • 4d - 25d = -378
  • -21d = -378
  • d = -378/-21
  • d = 18
8 0
2 years ago
F(x)= -5x+9 ; reflection in the y-axis a.g(x)=5x-9 b.g(x)=5x+9 c.g(x)=9x-5 d.g(x)=5x-5
Sunny_sXe [5.5K]
<h3>Answer: g(x) = 5x+9, second choice</h3>

Explanation:

When we reflect over the vertical y axis, every negative x value becomes positive and vice versa. So we effectively replace x with -x like so

f(x) = -5x+9

f(-x) = -5(-x)+9 ... replace every x with -x

f(-x) = 5x+9

g(x) = 5x+9

A point like (1,4) on f(x) will reflect over to (-1,4) on g(x). If we apply this to every point on f(x), then all of f(x) will reflect to g(x).

7 0
3 years ago
1. A local pizzeria sold 65 pizzas yesterday. The owner offers the employees a bonus if the number of whole pizzas sold increase
sasho [114]

We want to increase by 15% so we want 100% plus 15% which means 115%

Since we want 115% lets make the calc:

65 pizzas ----------- 100%

x pizzas ------------- 115%

Multiply in cross

65 . 115 = 100.x

7475 = 100.x

x = 74,75

Since we cant sell 74 pizzas and 0,75 pizza we will sell 75 pizzas

So we need to sell 75 pizzas to employees receive the bonus

5 0
3 years ago
When we use past simple and present perfect?
bija089 [108]
Sentence one uses<span> the </span>simple past<span> tense. Sentence two </span>uses<span> the </span>present perfect tense<span>. “I saw the movie” and “I have seen the movie” both refer to an action that was finished in the </span>past<span>. But there is one important difference: “I saw the movie” suggests that you saw the movie at a specific time in the </span>past<span>.</span>
4 0
3 years ago
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