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kirill115 [55]
3 years ago
8

What is the value of x when 14x=-2x

Mathematics
2 answers:
SashulF [63]3 years ago
6 0

Answer: Simplifying

14x + -2x = 0

Combine like terms: 14x + -2x = 12x

12x = 0

Solving

12x = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '12'.

x = 0

Simplifying

x = 0

ch4aika [34]3 years ago
4 0
14x = -2x
Divide by 2
14/-2 = -7
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Emmy throws a doggy toy up in the air. The path of the toy is modeled by the function f(x)=−x^2+4x+5, where x is the number of f
Molodets [167]

Answer:

9feet

Step-by-step explanation:

Given the path of the toy modeled by the function f(x)=−x^2+4x+5, where x is the number of feet the toy is from Emmy and f(x) is the height of the toy.

AT maximum height, the velocity of the toy will be zero. Hence;

df(x)/dx = 0

-2x + 4 = 0

-2x = -4

x = -4/-2

x = 2

Get the maximum height;

Substitute x = 2 into the given function;

f(x)=−x^2+4x+5

f(2)=−2^2+4(2)+5

f(2) = -4+8+5

f(2) = 9feet

Hence the maximum height of the toy is 9feet

4 0
3 years ago
Explain how proving to triangles congruent can help prove parts of the triangle congruent.
nydimaria [60]

Answer:

CPCTC - Corresponding Parts of Congruent Triangles are Congruent

Step-by-step explanation:

When two triangles are congruent, this means they have the same shape and the same size. To have the same shape, each angle must be congruent. To have the same size, each side length must be congruent. When you know two triangles are congruent you can say each corresponding part of congruent triangles is congruent. This is known as CPCTC.

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3 years ago
Round 3,047 to the nearest hundredth
Aleksandr-060686 [28]
It should be 3,000
------------------------
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3 years ago
Help..................
Salsk061 [2.6K]

Answer:

Yes

Step-by-step explanation:

It has a 45 degree angle

5 0
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Read 2 more answers
Of the new cars at the dealership, 12% are red. if they have 50 new cars in their lot, how many cars are red
forsale [732]

It would be 12% of 50

50 * 12/100 = 600/100 = 6

so, 6 cars are red

4 0
3 years ago
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