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3 years ago

HELP PLEASE!!!! 50 POINTS!!!GIVING BRAINLIEST!!

Mathematics

1 answer:

Brums [2.3K]3 years ago

7 0

Answer:

a. Elena donates 12% of her money

Step-by-step explanation:

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I will make you Brainliest

stepladder [879]

Answer and Step-by-step explanation:

$Greetings!$

$I'm~Isabelle~Williams~and~will~be~answering~your~question!$

$For~the~first~question~the~answer~is~option~number~``4"$

$x\geq -1$

$For~the~second~question~the~answer~is~option~number~``4"~as~well.$

$x$ < $2$

$Hope~this~helps!~Have~an~amazing~day~ahead!$

$-Isabelle~Williams$

6 0

3 years ago

Of the people who fished at Clearwater Park today, 48 had a fishing license, 32and did not. Of the people who fished at Mountain

horrorfan [7]

Answer:

The probability that the fisher chosen from Clearwater did not have a license and the fisher chosen from Mountain View had a license is 0.32.

Step-by-step explanation:

Denote the events as follows:

X = a fisher at Clearwater Park had a fishing license

Y = a fisher at Mountain View Park had a fishing license

The two events are independent.

The information provided is:

n (X) = 48

n (X') = 32

n (Y) = 72

n (Y') = 18

Then,

N (X) = n (X) + n (X')

= 48 + 32

= 80

N (Y) = n (Y) + n (Y')

= 72 + 18

= 90

Compute the probability that the fisher chosen from Clearwater did not have a license and the fisher chosen from Mountain View had a license as follows:

$P(X'\cap Y)=P(X')\times P(Y)$

$=\frac{n(X')}{N(X)}\times \frac{n(Y)}{N(Y)} \\\\=\frac{32}{80}\times\frac{72}{90}\\\\=0.32$

Thus, the probability that the fisher chosen from Clearwater did not have a license and the fisher chosen from Mountain View had a license is 0.32.

7 0

3 years ago

Philip wants to buy a new video game system that costs

Law Incorporation [45]

Answer:

I think the answer I think the answer would be 14

4 0

3 years ago

What is the equation of a line when the slope is 7 and the y-intercept is -9.

den301095 [7]

Answer:

y = 7x - 9

Step-by-step explanation:

y = mx+b

m = slope = 7

b = y-intercept = -9

5 0

2 years ago

Write an equation for a circle with a diameter that has endpoints at (–10, 1) and (–8, 5). Round to the nearest tenth if necessa

satela [25.4K]

The standard form for the equation of a circle is :

(x−h)^2+(y−k)^2=r2 ----------- EQ(1)
 where handk are the x and y coordinates of the center of the circle and r is the radius.
 The center of the circle is the midpoint of the diameter.

So the midpoint of the diameter with endpoints at (−10,1)and(−8,5) is :

((−10+(−8))/2,(1+5)/2)=(−9,3)

So the point (−9,3) is the center of the circle.

Now, use the distance formula to find the radius of the circle:

r^2=(−10−(−9))^2+(1−3)^2=1+4=5

⇒r=√5

Subtituting h=−9, k=3 and r=√5 into EQ(1) gives :

(x+9)^2+(y−3)^2=5

7 0

3 years ago