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Mars2501 [29]
3 years ago
8

Urgent!

Mathematics
2 answers:
Virty [35]3 years ago
7 0

Answer:

The answer is x

Step-by-step explanation:

Let f(x) = x

When f(x) is divided by x+1

x+1 = 0

x = -1

Sub x = -1 into f(x)

f(x) = -1 (remainder)

x-1 = 0

x = 1

Sub x = 1 into f(x)

f(x) = 1 (remainder)

(Correct me if i am wrong)

anzhelika [568]3 years ago
6 0

Answer:

I think the answer's x

Step-by-step explanation:

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Which of the following describes the correct process for solving the equation 2x − 4 = 20 and arrives at the correct solution?
Alexxandr [17]

Answer:

a) Add 4 to both sides, and then divide by 2. The solution is x=12.

Step-by-step explanation:

Question:

Which of the following describes the correct process for solving the equation 2x − 4 = 20 and arrives at the correct solution?

a) Add 4 to both sides, and then divide by 2. The solution is x = 12.

b) Divide both sides by −4, and then subtract 2. The solution is x = −7.

c) Subtract 4 from both sides, and then divide by 2. The solution is x = −12.

d) Multiply both sides by −4, and then divide by 2. The solution is x = −40.

Solution:

Given equation:

2x-4=20

We need to determine the steps in order to solve for x.

Solving for x.

Step 1: Adding 4 both sides.

2x-4+4=20+4

2x=24

Step 2: Dividing both sides by 2.

\frac{2x}{2}=\frac{24}{2}

∴ x=12

Thus, we added 4 both sides and then divided both sides by 2 to get solution = 12

7 0
3 years ago
John has $30. He spends $20 on a pants, and $25 on a shirt. How much money does he have now?
Nataly_w [17]
-15 why cause ehe had 30 dollars and he first soent 20 such equals to 10 then he soends 25 such equals to -15
3 0
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Kathy is standing directly between two tall buildings which are 100 feet apart. Her eye level is 5 feet above the ground. Kathy
Zinaida [17]

 

 

Angle of taller building Tan 45° = opposite (height of the building)/ adjacent 50 feet (distance between Kathy and the taller building

Tan 45° = 1

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Angle of smaller building Tan 38° = 0.781

Height of smaller building from eye level = Angle * adjacent 50 feet = 39.06 feet

 

 

 

Difference of eye level from ground is 5 feet

Taller building height is 50 + 5

Total height of taller building is 55 feet.

Smaller building height is 39.06 + 5

Total height of smaller building is 44.06 feet

 

 

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4 0
3 years ago
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6 weeks.

The equation for each is:

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To show work I reccomend making a table:).

I also reccomend usijg a graphic calculator if it is available.

If not then plug in numbers into the variables by using estimates.

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Answer:

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