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2 years ago

What is the range of the function graphed below? A. 1_ B. -3 C. -2_ D. -3_

Mathematics

2 answers:

Ilia_Sergeevich [38]2 years ago

5 0

Answer:

Step-by-step explanation:

kap26 [50]2 years ago

3 0

It would be B because it does to -3

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Two supplementary angles have measures of 9x degrees and 3x degrees. What is the measure of the longer angle?

strojnjashka [21]

9x+3x=180 by def. of supplementary
12x=180
12/12x=180/12
x=15

9x=9(15)=135°

5 0

3 years ago

A meteorologist forecasted that Monday's hight temperature would be 76F. On Monday, the temperature reached 80F. What is the per

mihalych1998 [28]

Answer: 5%

Step-by-step explanation:

A meteorologist predicted that Monday's hight temperature would be 76F and on Monday, the temperature reached 80F.

The percentage error will be

Percentage error=

(Exact value-Forecasted value)/exact value x 100

= 76-80/80 × 100

= -4/80 × 100

=4/80 × 100

= 400/80

= 5%

The percentage error is 5%.

6 0

3 years ago

Compute the probability of flipping a coin once and getting heads, given that the previous flip was tails.

ra1l [238]

Answer:

the probability to flip a head is 50%

Step-by-step explanation:

I think.

5 0

2 years ago

Need help with homework

motikmotik

We have two points describing the diameter of a circumference, these are:

$\begin{gathered} A=(-12,-4) \\ B=(-4,-10) \end{gathered}$

Recall that the equation for the standard form of a circle is:

$(x-h)^2+(y-k)^2=r^2$

Where (h,k) is the coordinate of the center of the circle, to find this coordinate, we find the midpoint of the diameter, that is, the midpoint between points A and B.

For this we use the following equation:

$M=(\frac{x_1+x_2_{}_{}}{2},\frac{y_1+y_2}{2})$

Now, we replace and solve:

$\begin{gathered} M=(\frac{-12+(-4)}{2},\frac{-4+(-10)}{2} \\ M=(\frac{-12-4}{2},\frac{-4-10}{2}) \\ M=(\frac{-16}{2},\frac{-14}{2}) \\ M=(-8,-7) \end{gathered}$

The center of the circle is (-8,-7), so:

$\begin{gathered} h=-8 \\ k=-7 \end{gathered}$

On the other hand, we must find the radius of the circle, remember that the radius of a circle goes from the center of the circumference to a point on its arc, for this we use the following equation: