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2 years ago

7x2 + 4x - x2 whats the answer?!?

Mathematics

2 answers:

zepelin [54]2 years ago

3 0

Answer:

14 + 2x I think

Step-by-step explanation:

Wait for more responses if needed

ira [324]2 years ago

3 0

Answer:

${6x}^{2} + 4x$

Step-by-step explanation:

1) Collect like terms.

$(7 {x}^{2} - {x}^{2} ) + 4x$

2) Simplify.

${6x}^{2} + 4x$

Therefor, the answer is 6x² + 4x.

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Sipho made a 12.5% when he sold a coat for E437.50 .calculate original cost of the coat

kaheart [24]

Answer:

E500

Step-by-step explanation:

Given x the original price of the coat

437.5 + 0.125x = x

437.5 = 0.875x

x = E500

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2 years ago

A square has a perimeter of 39.6 millimeters. What is the length of each side?

garri49 [273]

Answer:

9.9 millimeters

Step-by-step explanation:

To find the perimeter of a square,

Equation: 4 • length = P

So in this case, we're just working backwards. To find the length, divide.

39.6/4 = 9.9

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1 year ago

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Which relation is a function?

Nadya [2.5K]

Answer:

it is c

Step-by-step explanation:

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2 years ago

Guidelines for a wheelchair ramp suggest that the ratio of the rise to the run be no greater than 1:12.design a wheelchair ramp

OLEGan [10]

I have no idea tbh. I will try to find how to do it and help you!

4 0

3 years ago

A car is designed to last an average of 12 years with a standard deviation of 0.8 years. What is the probability that a car will

Scorpion4ik [409]

Due to the common probability formula I can solve that task. Refering to the task you gave, we have all the information we need. We solve it like that: $\frac{10-12}{0.8} = -2.5; Probability(-2.5)=.0.00621; Probability = 0.621%$
So the answer is the first option 0.621%

5 0

2 years ago

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