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jolli1 [7]
3 years ago
8

3) Our next presidential election is in

Mathematics
1 answer:
Ierofanga [76]3 years ago
6 0

Answer:121

Step-by-step explanation:

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Find x in this 45°-45°-90° triangle.<br><br> x =
Leokris [45]

Answer:

<u>x = 1.2√2</u>

Step-by-step explanation:

Taking the cosine value of the angle :

  • cos 45° = 1.2/x
  • 1/√2 = 1.2/x
  • <u>x = 1.2√2</u>
4 0
2 years ago
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Ivan has $1098 worth of $12 and $14 stock shares. The number of $14 shares is seven more than
Dafna1 [17]

Answer:

Number of 12$ Shares? 25

Number of 14$ Shares? 57

Step-by-step explanation:

Let x = number of $12 shares.

Let y = number of $14 shares.

"Ivan has $1098 worth of $12 and $14 stock shares."
12x + 14y = 1098

The number of $14 shares is seven more than twice the number of $12 shares.

y = 2x + 7

We have a system of equations.

12x + 14y = 1098

y = 2x + 7

We can use the substitution method since the second equation is already solved for y. Substitute 2x + 7 for y in the first equation.

12x + 14(2x + 7) = 1098

12x + 28x + 98 = 1098

40x = 1000

x = 25

There are 25 $12 shares.

y = 2x + 7 = 2(25) + 7 = 57

There are 57 $14 shares.

Check:

25 × $12 + 57 × $1`4 = $300 + $798 = $1098

The total value is correct, so the answer is correct.

4 0
2 years ago
Do you flip an inequality sign when adding a negative number?
yaroslaw [1]
Yes when adding a negative you flip the inequality.
5 0
3 years ago
Write each product using an exponent. <br><br><br> 2 × 2 × 2 × 2 × 2 × 2 × 2
UkoKoshka [18]

Answer:

2^7 is ypur answer

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