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3 years ago

I need help please help

Mathematics

1 answer:

vesna_86 [32]3 years ago

5 0

Answer:

C. (x-2)^2=7

Step-by-step explanation:

What you have to do first is to get rid of the 3 in the x^2 so you will divide 3 by the whole thing to get x^2-4x=3.

You will then divide -4 by 2 and then square the answer to get 4.

You will then add the 4 into the end of the equation and to the 3 to get x^2-4x+4=7.

You will then make into a perfect square (x-2)^2=7 and that is your answer.

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The equation of a circle in general form is x^2+y^2+22x+14y-55=0

butalik [34]

It’s C all the way bro ski

6 0

3 years ago

A bottle of orange juice contains 750 mg of vitamin C and has 6 servings. A bottle of

Llana [10]

Answer:

The bottle of orange juice will have higher amounts of vitamin C per serving, as it will have 125 mg against 90 mg of the cranberry juice.

Step-by-step explanation:

To determine the amount of vitamin C in each serving of fruit juice, knowing that the bottle of orange juice contains 750 mg of vitamin C and 6 servings, while the bottle of cranberry juice contains 135 mg and 1.5 servings, you must perform the following calculation:

Orange: 750/6

Orange: 125 mg per serving

Cranberry: 135 / 1.5

Cranberry: 90 mg per serving

Thus, the bottle of orange juice will have higher amounts of vitamin C per serving, as it will have 125 mg against 90 mg of the cranberry juice.

4 0

3 years ago

Read 2 more answers

Can someone help <br> due today

jekas [21]

Answer:

b=-.6

Step-by-step explanation:

5b= -3

b= -3/5

b= -.6

7 0

3 years ago

Which of the graphs below correctly solves for x in the equation −x2 − 3x − 1 = −x − 4?

gtnhenbr [62]

Answer:

Graph of quadratic opening downward and linear sloping up to the left. They intersect at point negative 3, negative 1 and point 1, negative 5

Step-by-step explanation:

we have

$-x^{2} -3x-1=-x-4$

we can separate the expression above into two equations

$y=-x^{2} -3x-1$ ----> equation A

This is a quadratic equation ( vertical parabola) open downward (the leading coefficient is negative)

$y=-x-4$ ----> equation B

This is a linear equation with negative slope (decreasing function).so linear sloping up to the left

The solution of the original expression are the x-coordinates of the intersection point both graphs

using a graphing tool

The intersection points are (-3,-1) and (1,-5)

see the attached figure

4 0

3 years ago

What is the probability if a penny lands on heads 30 times after being tossed 50 times?

Firlakuza [10]

The probability will be equal to 60%.

<h3>What is probability?</h3>

Probability is defined as the ratio of the number of favorable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.

The best thing to do here is to put it into a fraction. as 30 landed heads up, 20 (50-30) must be tails.

You can then put this into a fraction, which becomes 20/50.

To turn this into a decimal, you can then divide 1 by 50

1/50= 0.02

As you've got 22 lots of this, you then need to multiply 0.02 by 20.

0.2x20= 0.40

To find the percentage, you've then got to multiply the decimal by 100.

100x0.40= 40.

Therefore, 40% of the tosses would be tails

As you've found what one percentage is, you simply need to take this number away from 100 to find the other, rather than having to go through the process again.

100-40= 60

To know more about probability follow

brainly.com/question/24756209

#SPJ1

7 0

2 years ago