Prime fractorization of 47?

Answer:

D) x² + 4x + 7

Step-by-step explanation:

2x + 6 + x² + 2x + 1

x² + 2x + 2x + 6 + 1

x² + 4x + 7

The equivalent expression for the given polynomial is x² + 4x + 7.

Option D is the correct answer.

Polynomial is an equation written as the sum of terms of the form kx^n.

where k and n are positive integers.

We have,

(2x + 6) + (x² + 2x + 1)

Removing the parenthesis.

2x + 6 + x² + 2x + 1

Adding the like terms.

4x + 7 + x²

x² + 4x + 7

Thus,

The final expression is x² + 4x + 7.

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Answer: 15 hours

Step-by-step explanation: full time is 30 hours so if he worked 45 that’s 30+15=45 so 15hrs over time

Answer:

rate of change is 5!!! :)

Step-by-step explanation:

Hope this helps!!! :)

The rate of change of the linear function in the graph is: 5

Rate of change problems can generally be approached using the formula R = D/T, or rate of change equals the distance traveled divided by the time it takes to do so.

However, in this case with coordinates, it is expressed as:

Rate of change = (y₂ - y₁)/(x₂ - x₁)

From the graph, we can take two coordinates which are:

(1, -1) and (2, 4).

Thus:

Rate of change = (4 - (-1))/(2 - 1)

= 5/1

= 5

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[tex]\frac{\sqrt[4]{9}.\sqrt{9}}{\sqrt[4]{9^5}}[/tex]

[tex]\frac{9^\frac{1}{4}.9^\frac{1}{2}}{9^\frac{5}{4}}[/tex]

[tex]\frac{9^\frac{6}{8}}{9^\frac{5}{4}}[/tex]

[tex]9^{\frac{6}{8}-\frac{5}{4}}[/tex]

[tex]9^\frac{-1}{2}[/tex]

Answer:

Step-by-step explanation:

Let:

s - side of the square

d - diameter of the circle

r - radius of a circle

C - circumeference of the circle

AC - area of the circle

AS - area of a square

The formula of a perimeter of a square:

P = 4s

We have P = 40cm.

Substitute:

4s = 40              divide both sides by 4

s = 10 cm

a.

The length of the diameter of the circle inscribed in the square is equal to the length of the side of the square.

Therefore d = s → d = 10 cm.

b.

The length of the circle diameter is two lengths of the circle radius.

Therefore d = 2r → r = d : 2 → r = 10 : 2 = 5 cm.

c.

The formula of a circumference of a circle:

C = dπ.

Substitute d = 10cm, and π = 3.14.

C = 10(3.14) = 31.4 cm.

d.

The formula of an area of a circle:

AC = πr²

Substitute r = 5cm and π = 3.14

AC = 3.14(5²) = 3.14(25) = 78.5 cm².

e.

The formula of an area of a square:

AS = s²

Substitute s = 10 cm

AS = 10² = 100 cm²

You know that .5 = 0.5 = 5/10 = 1/2.

Mixed number sought: -9_1/2.

4x - 10y = 12

4x - 12 = 10y

y = (4x - 12)/10

y = 2x/5 - 6/5

Answer: Oriana was not correct, because she didn't line up the decimal points of the numbers [tex]9.298[/tex] and [tex]3.01[/tex]

Step-by-step explanation:

By definition, the "Difference" is the result of a subtraction.

In order to subtract the decimal numbers [tex]9.298[/tex] and [tex]3.01.[/tex], Oriana needed to apply these steps:

1. Write one number under the other. The decimal points must be lined up:

[tex]9.298 \\3.01-\\..........[/tex]

2. Since the decimal numbers must have the same number of decimal places, she needed to add zeros to the right side:

[tex]9.298 \\3.010-\\..........[/tex]

3. Subtract the numbers and put the decimal point in the result:

[tex]9.298 \\3.010-\\..........\\6.288[/tex]

 Oriana was not correct, because she didn't line up the decimal points. Her procedure was:

[tex]9.298 \\ 0\ 3.01-\\..........\\8.997[/tex]

Answer:  -16

Step-by-step explanation:

y + 7 = -9

-9 - 7 = -16

-16 + 7 = -9

Answer:

B is the correct answer

Use b^2 - 4ac = 0.

Let a = 1

Let b = 7/12

(7/12)^2 - 4(1)c = 0

Take it from here.

Answer:

approximately = 26394.72

Convert between the 2 units.

Can i plz have the brainliest answer plz!!!!!!!!!!!

Answer:

(f-g)(x)   =  -x^2 + 3x + 7

Step-by-step explanation:

Note that -g(x) = -x^2 + 6.

Thus, (f-g)(x) = f(x) + [-x^2 + 6]:  Add the following:

f(x)       =   3x + 1

-g(x)     = -x^2 + 6

---------     ------------------

(f-g)(x)   =  -x^2 + 3x + 7 (answer)

Answer:

x<14/5

Step-by-step explanation:

expand

4x-6-10 < -6x+12

4x-16 < -6x+12

4x < -6x+12+16

4x < -6x+28

4x+6x < 28

10x < 28

x < 28/10

hope this helps

Answer:

[tex]\large\boxed{x\geq-2\to x\in[-2,\ \infty)}[/tex]

Step-by-step explanation:

[tex]2(2x-3)-10\leq6(x-2)\qquad\text{use the distributive property}\ a(b+c)\\\\(2)(2x)+(2)(-3)-10\leq(6)(x)+(6)(-2)\\\\4x-6-10\leq6x-12\\\\4x-16\leq6x-12\qquad\text{add 16 to both sides}\\\\4x\leq6x+4\qquad\text{subtract}\ 6x\ \text{from both sides}\\\\-2x\leq4\qquad\text{change the signs}\\\\2x\geq-4\qquad\text{divide both sides by 2}\\\\x\geq-2[/tex]

Answer:

X=10

Step-by-step explanation:

x+10-10=2x-10

x=2x-10

x-2x=2x-10-2x

-x= -10

-x/-1= -10/-1

x=10

the answer is true it is a rational number

As a fraction, 2 is 2/1

Oh no, there is always an odd exponent. So it could not have been made by squaring a rational number! This means that the value that was squared to make 2 (ie the square root of 2) cannot be a rational number. In other words, the square root of 2 is irrational.

A helium atom has a zero charge because the number of protons equals the number or protons. The positive and negative charges add together to reach zero.

Answer:

1 : 2

Step-by-step explanation:

Express the ratio as the number of oranges in each box, that is

box A : box B

= 18 : 36

Simplify the ratio by dividing both parts by 18, thus

ratio = 1 : 2 ← in simplest form

Answer:

Hence, there is 5 gallons of fuel Roselyn needed for her journey.

Step-by-step explanation:

Since we have given that

Speed at which Roselyn wants to drive her car = 60 miles per hour

Time taken by her car = 1.5 hours

As we know the formula for "Distance-Speed " :

Her car has fuel efficiency = 15 miles per gallon

Number of gallons of fuel is given by

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Answer:

5 gallons.

Step-by-step explanation:

Roselyn wants to drive her car at a speed of 60 mph

Speed of car, S = 60 mph

She drives for 1.25 hours.

Time travel, t = 1.25 hours

Total distance travel = s × t

                                  = 60 × 1.25

                                  = 75 miles

The fuel efficiency of car is 15 miles per gallon.

[tex]\text{Number of gallon used}=\dfrac{\text{Total distance travel}}{\text{Fuel efficiency}}[/tex]

[tex]\text{Number of gallon used}=\dfrac{75}{15}[/tex]

                                      [tex]=5\text{ gallons}[/tex]

Hence, she needs 5 gallons.

Answer:

8 candle = $12.96

1 candle =($12.96/8)

= $1.62

package of 3 candles =3×$(1.62)

: =$4.86

Answer:

Initial Number = x = 21

Number after it is decreased = y = 15

Total decrease form initial to the current number = z = x-y = 21-15 = 6

% of decrease = (z/x) * 100 = (6/21)*100 = 600/21 = 28.5714286 = 28.6 ( correcting it to 10th place)

Step-by-step explanation:

For 21 decreased to 15, the percentage decrease is 28.6%.

The percentage by which a number was decreased can be calculated by finding the difference between the original number and the decreased number, dividing that by the original number, and then multiplying by 100 to get the percentage.

Given number: 21

On reduction, number becomes: 15

To find the percentage decrease:

(21-15)/21 x 100 = 28.6%.

For this sort of question you have to work backwards.

.

26 - 2 = 24.

24 / 4 = 6

.

The number would be 6

Answer:

⅗

Step-by-step explanation:

-y₁ + y₂\-x₁ + x₂ = m

[tex] \frac{3 + 3}{8 + 2} = \frac{6}{10} = \frac{3}{5} [/tex]

I am joyous to assist you anytime.

Answer:

I think itśn 5

Step-by-step explanation:

The function breaks at (-2,0),(0,-2)&(4,0).So at all these points function i.e triangular curve takes the turn.

That is what kind of continuous function?

A continuous function in mathematics is one whose value does not abruptly change due to discontinuities, or breaches in the continuity of the function.

                                  For example, the function f (x) = 2 sin (x), f (x) = 2 sin (x), and f (x) = 2sin (x) is continuous everywhere. We can sketch its outline without ever lifting our hand. Contrarily, there is a discontinuity at x = 2 x = 2 x = 2 in the function f (x) = 1 x 2 f(x) = frac 1 x 2 f(x) = x 21.

The four points given are (-2,0),(0,-2),(2,-1),(4,0).When you will plot these points on the coordinate axes and join all these points you will get the shape of a triangle. One line lies completely on x axis another two lies below   x axis. These two  lines intersect at  (0,-2).

The meaning of continuity is that there should be no breaking points in the function.

But the function breaks at (-2,0),(0,-2)&(4,0).So at all these points function i.e triangular curve takes the turn.

So this might be also the turning point.

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The possible turning point for the continuous function f(x) from the given list is likely the point (2, -1), where the second derivative y" = 6x - 12 equals zero, indicating a point of inflection.

To determine a possible turning point for the continuous function f(x), we need to consider the concept of a point of inflection, which is a point where the concavity of the function changes. According to the excerpts, a point of inflection occurs where the second derivative of the function changes sign or is zero. If we examine the given points, a turning point might be where we can see such a change in concavity or where the f'(x) equals zero.

From the excerpt that gives us the second derivative y" = 6x - 12, we can determine that at x = 2, the second derivative is zero, which signals a possible point of inflection. This would correspond to the point (2, -1) in the list provided. Hence, this is a possible turning point for the function f(x).

Always write y in lower case

y/-7 = 10

y = 10(-7)

y = -70

Check:

Let y = -70

(-70)/-7 = 10

10 = 10

Done!

Answer:

a&c

Step-by-step explanation:

because you can multiply to numbers and reach 0 or 2, but no number times another equals 7 and no number times 0 equals three (multiplicative identity of 0)

Answer:

B and C

Step-by-step explanation:

It can't be A because that would equal 5b.

For C, you multiply 2b by 2 and get 4b.

For B, you add b to 3b to get 4b.

Answer:

160

Step-by-step explanation:

Answer:

160 is the answer for this problem

Sin 12 x cos 78 + cos 12 x sin 78

= sin 12 x cos (90-12) + cos 12 x sin (90-12)

=sin 12 x sin 12 + cos 12 x cos 12

=sin^2 12 + sin^2 12

=1