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elixir [45]
3 years ago
10

Evaluate 5x-2y;x=2,y=-1

Mathematics
1 answer:
Akimi4 [234]3 years ago
8 0

Answer:

8

Step-by-step explanation:

5x - 2y

5 ( 2 ) - 2 ( 1 )

10 - 2

8

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bogdanovich [222]

Answer:

B

Step-by-step explanation:

He asked me to make sure I had enough 20 words. But this question is really simple, Just move c to the right. And then change the symbol.

6 0
3 years ago
Given: BAD = CAD. Find the perimeter of ABC.
11111nata11111 [884]

Answer:

34 units

Step-by-step explanation:

Since the triangles are equal, the bottom length of triangle CAD will be the same as the bottom length of BAD. This means that the total length of the bottom of triangle ABC is 6 (3 + 3).

Next, you need to find the length of AC and again, since they're the same triangle, AB will be the same as AC, 14.

The three side lengths of the triangle will be 6, 14, and 14, so the perimeter is

6 + 14 + 14 = 34 units

4 0
3 years ago
X is greater than or equal to -8 and less than or equal to 2
elena-s [515]

2 ≥ x ≥ -8 is how this inequality would be displayed.

7 0
3 years ago
Identify the exponential function for this graph. (Be sure to look at the scales
Mice21 [21]

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Step-by-step explanation:

3 0
3 years ago
In a Gallup poll of randomly selected adults, 66% said that they worry about identity theft. For a group of 1013 adults, the mea
Kazeer [188]

Answer:

Mean = 344

Step-by-step explanation:

Given

Population =  1013

Let p represents the proportion of those who worry about identity theft;

p = 66\%

Required

Mean of those who do not worry about identity theft

First, the proportion of those who do not worry, has to be calculated;

Represent this with q

In probability;

p + q = 1

Make q the subject of formula

q = 1 - p

Substitute p = 66\%

q = 1 - 66\%

Convert percentage to fraction

q = 1 - 0.66

q = 0.34

Now, the mean can be calculated using:

Mean = nq

Where n represents the population

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Mean = 344.42

Mean = 344 (Approximated)

3 0
3 years ago
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