What are the solutions to the equation x^2-4x-5=0?

Answer:

-x^2 +x +2

Step-by-step explanation:

f(x) = 4 - x^2 and g(x) = 2 - x

(f - g)(x) = 4 -x^2 - (2-x)

             =  4 -x^2 - 2+x

              = -x^2 +x +2

Answer: 274.75

Step-by-step explanation:

To find the volume of a cylinder you find the area of the base and then multiply it by the height. The base is the radius (half the diameter) squared times pi which we will use 3.14. That gets us 78.5. Then we multiply by the height to get 274.75!

Hope this helps!

The capacity/volume of the cylinder is approximately: 274.89 cm³

capacity of a cylinder = volume of cylinder = πr²h.

Given the following:

Capacity/Volume of the cylinder = π(5²)(3.5)

Capacity/Volume of the cylinder ≈ 274.89 cm³

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Answer:

A. 5.56

Step-by-step explanation:

I calculated logically

Answer: I believe it is C.

Step-by-step explanation: Because if you take 4 x 20 = 80

If  I am wrong sorry.

Answer:

.998543

9.92749

sqrt(101)

10 pi

Step-by-step explanation:

10 pi is approximately 10 * 3.14 = 31.4

.998543 is less than 1

9.927

sqrt(101) is a little more than sqrt(100)  which is 10

Smallest .998543

9.92749

sqrt(101)

10 pi

Answer:

.998543

9.92749

sqrt(101)

10 pi

Step-by-step explanation:

10 pi is approximately 10 * 3.14 = 31.4

.998543 is less than 1

9.927

sqrt(101) is a little more than sqrt(100)  which is 10

Smallest .998543

9.92749

sqrt(101)

10 pi

Answer:

If C and D are supplementary angles then C is 65 and D is 115.

Answer:

65

Step-by-step explanation:

first, find x

180=12x-7+16x+19

180=12x+16x-7+19

180+7-19=28x

168=28x

168/28=x

6=x

Now plug in 6 for x

C=12x-7

C=12*6-7

C=72-7

C=65

Answer:

x = 30º

Step-by-step explanation:

This answer requires trigonometry, specifically, the cosine function. This is because we are given the length of the side adjacent to x and the length of the hypotenuse.

If you recall:

[tex]cos(x )= \frac{adjacent}{hypotenuse}[/tex]

Therefore,

[tex]cos(x) = \frac{13}{35}[/tex]

Now, we must use the inverse cosine function on a calculator to figure out the value of x.

[tex]cos^{-1}(\frac{13}{15}) = 29.93[/tex]

Now, we must round it to the nearest whole number, so x = 30º.

Answer:

(25+29)/2 = 27

Step-by-step explanation:

Answer:25+29=54

54/2=27

Step-by-step explanation:

4, 10, 11, 13, 14, 15, 25, 29, 33, 35, 43, 51, 58, 64

25+29=54

54/2=27

Answer: 27

Answer:

He should keep his job.

Step-by-step explanation:

We know that there is a 70% chance that he willend up getting a 10% raise. A 10% raise will allow him to make 66000 dolllars, which is 1000 more than getting a new job.

There is a 30% chance that he will make about 3,100 dollars less than a new job. However, 30% is much lower than 70%, so this probably wont be the outcome. And over future years, if this remains constant, he will end up still making more money staying wiht his job.

Hope this helps!

Answer:

188.57 cm^3

Step-by-step explanation:

I know i'm big brain

OPTION D = 2q is right answer

Answer:

The confidence level is equivalent to 1 – the alpha level. So, if your significance level is 0.05, the corresponding confidence level is 95%. If the P value is less than your significance (alpha) level, the hypothesis test is statistically significant.

Answer:

The confidence level is equivalent to 1 – the alpha level. So, if your significance level is 0.05, the corresponding confidence level is 95%. If the P value is less than your significance (alpha) level, the hypothesis test is statistically significant.

Step-by-step explanation:

Answer:

17 Dimes 68 Pennies

Step-by-step explanation:

If I'm right could I get brainiest I need it for my rank

Answer:

my name is Thor the answer is false mark me in arsenal

Answer:

x^2-3y

5^2-3*8

25-24

1

Step-by-step explanation:

Answer:

Since both values are negative, it can be found in the 3rd quadrant

Feel free to mark this as brainliest :D

Answer:

11x

Step-by-step explanation:

Each month, 11 letters are written over the course of x months, to find the total, we need to multiply the two:

11 * x

11x

Answer:

you multiply

Step-by-step explanation: itss easy just multiply it

9514 1404 393

Answer:

  C.  ΔABE≅ΔDBC by SAS

Step-by-step explanation:

Only two sides are marked as congruent. So, any claim using SSS is automatically false. (SSS requires 3 corresponding sides be congruent.)

Of the claims citing SAS, the one regarding ΔABD is false. The points A, B, and D are on the same line, so do not form a triangle.

The only correct claim is that of C: ΔABE≅ΔDBC by SAS

Answer:

The volume of this rectangular prism is 72 cubic units. We multiply 6*4*3 to get 72.

Answer:

a. When the sample standard deviation is used to estimate the population standard deviation

Step-by-step explanation:

T or Z distribution:

If we have the standard deviation for the sample, we use the t-distribution.

If we have the standard deviation for the population, we use the z-distribution.

Thus, the correct answer for this question is given by option a.

Answer:(0,10)

Step-by-step explanation:

The points On circle with a center at (0, 0) that includes the point (-1, -3) would be (0, 10).

If a circle O has a radius of r units length and that it has got its center positioned at (h, k) point of the coordinate plane,

then, its equation is given as:

[tex](x-h)^2 + (y-k)^2 = r^2[/tex]

We have given On circle with a center at (0, 0) that includes the point (-1, -3).

So the equation form

[tex](x-h)^2 + (y-k)^2 = r^2[/tex]

[tex](x-0)^2 + (y-0)^2 = r^2\\\\x^{2} +y^{2} =r^{2} \\\\(-1)^{2} +(-3)^{2} =r^{2} \\\\r^{2} = 10[/tex]

So, the other point that satisfies the equation would be (0, 10).

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Answer:

(5+3+2) x4

Step-by-step explanation:

The answer would be 40

Here's why:

1. (5+3+2)= 10

2. 10x4

3. 40

The expression represents the number of points Frank lost would be (5+3+2) x 4.

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

Frank lost 5 points for not completing his homework, 3 points for talking, and 2 points for chewing gum.

This happened 4 days in a row.

The expression represents the number of points Frank lost.

(5+3+2) x 4

Here,

(5+3+2)= 10

= 10x4

= 40

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Answer:

B: y = -2x + 5

Step-by-step explanation:

-2 - 1 = -3

9 - 3 = 6

[tex]\frac{6}{-3}[/tex] = -2

gradient = -2

3 = 1 x -2 + c

3 = -2 + c

5 = c

y intercept = 5

equation = y = -2x + 5

so the answer is option b

Answer:

12

Step-by-step explanation:

we can bought 6 inches of wire which costs 24 cents

Answer:The answer is 1/2 or you can do 3/6 if it doesnt need to be simplified

Step-by-step explanation:

Probability is the chance of an event to occur from a number of possible outcomes.

The probability that a marble chosen at random is red is 1/2.

It is the chance of an event to occur from a number of possible outcomes.

It is given by:

Probability = Number of required events / Total number of outcomes

We have,

Total number of marbles in the bag = 6

Number of red marbles = 3

Number of yellow marbles = 1

The number of blue marbles = 2

The probability that a marble chooses is red:

= Number of red marbles / total number of marbles

= 3 / 6

= 1 / 2

Thus,

The probability that a marble chosen at random is red is 1/2.

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Answer:

p = -5

Step-by-step explanation:

7(p + 1) = 2(3p + 1)

Distribute on both sides.

7p + 7 = 6p + 2

Subtract 6p from both sides.

p + 7 = 2

Subtract 7 from both sides.

p = -5

Answer:

p = -5

Step-by-step explanation:

7(p + 1) = 2(3p + 1)

Distribute

7p +7 = 6p +2

Subtract 6p from each side

7p +7 -6p = 6p+2-6p

p+7 = 2

Subtract 7 from each side p+7-7 =2-7

p=-5

Answer:

make x=0 then y=-3-7(0)= (0 -3)

Answer:

y=-3

Step-by-step explanation:

see steps below:)