Find f(–2) for the function f(x) = 3x2 – 2x + 7

Answer:

B = 56.25

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

cos theta = adjacent/ hypotenuse

cos B = 5/9

Take the inverse cos of each side

cos ^-1 (cos B) = cos ^-1 (5/9)

B =56.2510114

To the nearest hundredth

B = 56.25

Answer:

She will receive $24,000 after paying taxes

Step-by-step explanation:

This question can be solved using a rule of three.

20% of her money has to go to the state for taxes. So she will receive 100-20 = 80%. $30000 is 100% = 1. How much is 80% = 0.8?

$30000 - 1

$x - 0.8

x = 30000*0.8

x = 24000

She will receive $24,000 after paying taxes

Answer:

None of the above.

Step-by-step explanation:

The equation should be (x - 2)^2 + (y - 3)^2 = 25

The standard equation of a circle is:

(x - a)^2 + (y - b)^2 = r^2

where (a,b) are the coordinates of the center and r, the radius.

here the center = (2,3) hence a = 2 , b = 3 and r = 5

Answer:

the answer is 30 different ways

Step-by-step explanation:

Answer:

Output value

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

a. The median, or line in the middle, is the same for both

b. This is the start to end of the box. For the top one, we have 39-33=6. For the bottom one, we have 36-30=6. These are the same.

c. The range is the highest minus the lowest value. For the top one, this is 41-31=10. For the bottom one, this is 38-28=10. These are the same.

This leaves D as our answer

Answer:Find the domain of y = log(x + 3)

Logarithms can only be taken for positive numbers. So you must have

x + 3 > 0

x > – 3          ✔

So the domain of the function is

D = {x ∈ R:  x > – 3}

or using the interval notation

D = (– 3, +∞)

I hope this helps :).

Answer:

21

Step-by-step explanation:

3x7=21 possible combinations

Answer:4

Step-by-step explanation:

Just count lol n I did it rn

Answer:

4

Step-by-step explanation:

trust me

Answer:

a =5

Step-by-step explanation:

5x^2+8x-4

A quadratic can be written as

ax^2 +bx+c

a=5  b=8  c=-4

Answer:

The value of A is 5

Step-by-step explanation:

Because it is written in a quadratic equation

Answer: The slope is 6

Step-by-step explanation: pic

I hope this helps

Answer:

The slope is:

[tex]m = 2[/tex]

Step-by-step explanation:

-Use the equation to find the slope:

[tex]m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]

-Use both points [tex](-1,-5)[/tex] and [tex](2,1)[/tex] for the slope formula:

[tex]m = \frac{1-(-5)}{2-(-1)}[/tex]

-Then , you solve the formula:

[tex]m = \frac{1+5}{2+1}[/tex]

[tex]m = \frac{6}{3}[/tex]

[tex]m = 2[/tex]

So, the slope is [tex]2[/tex] .

Answer:

[tex]x < 5[/tex]

Step-by-step explanation:

[tex]3x + 7 > 4x + 2 \\ 7 - 2 > 4x - 3x \\ 5 > x[/tex]

[tex]x < 5[/tex]

Answer:

for bule its 1/8 and green its 2/8

Step-by-step explanation:

The probability of spinning blue or green is equal to 1/4.

The probability of an even tells the chances of occurrence of that event.

Given,

The spinner is divided into 8 equal sections:

brown, green, red, purple, brown, green, yellow, blue

Probability of all the colors is equal.

Therefore,  probability of any color = 1/8

Probability of green = 1/8

Probability of blue = 1/8

The probability of spinning blue or green = Probability of green +

Probability of blue  

                                = 1/8 + 1/8

                                = 2/8

                                = 1/4

Hence, probability of spinning blue or green is equal to 1/4.

To learn more about probability visit:

https://brainly.com/question/11234923

#SPJ1

Answer:

the answer is 15 and 10

Step-by-step explanation:

Answer:

3.33times 10^7 because when it is possible to substract 2.24times10^5 from it

Answer:

Answer: A) 3.33 x 10⁷

Step-by-step explanation:

A is the correct answer because you're adding 7 to the left. Whereas for B, it's only 5 times, and the number is less than 3.33.

3.33 ⇒ 33.3 ⇒ 333 ⇒ 3330 ⇒ 33300 ⇒ 333000 ⇒ 3330000 ⇒ 33300000

2.34 ⇒  23.4 ⇒  234 ⇒  2340 ⇒  23400 ⇒  234000

I hope this helps!

Answer:

x ≤ 72

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer:

Y= -1/4x +2

Step-by-step explanation:

Answer:

y=-1/4x+2

slope formula-

y=mx+b

m=Slope

b= y-intercept

Answer:

Step-by-step explanation:

(x-3)^2 + (y+2)^2 = 7^2

Answer:

[tex] (x - 3)^{2} + { (y + 2)^{2} = 49[/tex]

Step-by-step explanation:

Center of the circle = (3, - 2) = (h, k)

Therefore, h = 3, k = - 2

Radius r = 7

Equation of circle in centre radius form is given as:

[tex](x - h)^{2} + {(y - k)}^{2} = {r}^{2} \\ \therefore \: (x - 3)^{2} + { \{y - ( - 2) \}}^{2} = {7}^{2} \\ \red{ \boxed{ \bold{\therefore \: (x - 3)^{2} + (y + 2)^{2} = 49}}}[/tex]

Answer:

wefawefaWF

Step-by-step explanation:

basically you would do length x width

5x and x

6 and 4

Answer: 3.14

Step-by-step explanation: it goes on forever but that is what most people use to calculate with

Answer:

d≈3.05

Step-by-step explanation:

d= C/π

d=9.58/π

d≈3.04941

d≈3.05

Answer:

A =12.56 miles^2

Step-by-step explanation:

The area of a circle is

A = pi r^2

A = 3.14 (2)^2

A = 3.14 (4)

A =12.56 miles^2

Similar shapes have the same angles. These two triangles have no angles in common, so they're not similar.

Answer:

I believe it would be 70

Step-by-step explanation:

Answer:

The answer is 69. I just took the test

Step-by-step explanation: