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larisa86 [58]
2 years ago
14

Solve the inequality and graph the solution, please put it on a number line if you can.

Mathematics
1 answer:
Sergio039 [100]2 years ago
6 0

Answer:

x is greater than or equal to 40

Step-by-step explanation:

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The price of a stock went from $100 to $99.80. What was the percentage of decrease?
Brums [2.3K]
.20 is the correct answer because 100-99.80
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Which is an example of a variable amount?
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The high temperatures for the last seven days are: High Temperatures: 81, 78, 83, 89, 80, 87, 78
Leno4ka [110]

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81

Step-by-step explanation:

5 0
3 years ago
A number is equal to twice a smaller number plus 3. Yhe same number is equal to twice the sum of smaller number and 1. How many
allsm [11]

Answer:

There is no solution to the problem

Step-by-step explanation:

In order to find the solutions to the problem you can write the situation in an algebraic form.

You have that a number is equal to twice a smaller number plus 3. This can be written as follow:

x=2y+3      (1)

where x is the number and y is the smaller number

Furthermore, the same number x is equal to twice the sum of the smaller number and 1, which can be written as follow:

x=2(y+1)     (2)

To find the solution you equal the equation (1) with (2), and you solve for y:

2y+3=2y+1

3=1

You obtain an inconsistency, hence, the situation of the problem does not have solution

5 0
3 years ago
Use trig identities to transform the left side of the equation to the right side.
Taya2010 [7]

<u>Answer and explanation</u>

(1+sinθ)(1-sinθ)=cos²θ

We are to prove that the left hand side is equal to the right hand side.

(1+sinθ)(1-sinθ) = 1(1-sinθ) + sinθ(1-sinθ)

                         = 1 - sinθ + sinθ - sin²θ

                          = 1 - sin²θ

From the trigonometric identity sin²θ + cos²θ = 1,

1 - sin²θ = cos²θ


7 0
3 years ago
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