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podryga [215]
3 years ago
8

Use calculator to decide whether each statement is true or false. It may be that a true statement will lead to results that diff

er in the last decimal place due to rounding error.
tan² 72° 25' + 1 = sec² 72° 25'
Mathematics
1 answer:
Bogdan [553]3 years ago
4 0

Answer: 72.416

Step-by-step explanation:

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Step-by-step explanation:

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A line has a slope of 3, is increasing, and passes through the point (2,7). What is its y-intercept?
Anna71 [15]
The y-intercept is 1
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Please need help i need help i need help
xeze [42]

Set each expression from the parentheses equal to 0 separately like so:

Equation 1: x - 4 = 0

Equation 2: -5x + 1 = 0

Now for each equation solve for x!

Equation 1:

x +(- 4 + 4) = 0 + 4

x = 4

Equation 2:

-5x +( 1-1) = 0 - 1

-5x/ -5 = -1 / -5

x = 1/5

Check:

(4 - 4)(-5*4 + 1)

(0) (-20 + 1)

(0) (-19)

0 = 0 -------------------------> correct!

(1/5 - 4)(-5 * 1/5 + 1)

(-19/5)(-1 + 1)

(-19/5)(0)

0 = 0 -------------------------> correct!

smaller x = 1/5

larger x = 4

Hope this helped!

8 0
3 years ago
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Step by step on how to solve this equation 2 x + 3 = x − 4 because I fogot how to do basic math
valentina_108 [34]

Answer:

-7

Step-by-step explanation:

2x +3 =x-4

2x - x =-4 - 7

x=-7

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3 years ago
If someone makes $650 a week, how much will they make in a<br> year?
Arlecino [84]

Answer:

they will make $33,800 in a year.

Step-by-step explanation:

there are 52 weeks in a year, so $650×5= $33,800

5 0
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