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Daniel [21]
3 years ago
11

In a raffle, 100 tickets are sold and 10 of the tickets, selected at random, win a $5 prize. A participant buys one ticket. What

is the standard deviation of the amount won?
Mathematics
1 answer:
Deffense [45]3 years ago
3 0
I think the answer is 260
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Help please!!<br><br> Are these triangles similar<br><br> choices: <br><br> Both <br> Neither
Roman55 [17]

Answer:

The blue triangle -- ∆QRS only

Step-by-step explanation:

They have the same angles (49° and 96°) and the third angle would be 35°. The pink triangle has none of the same angles measurements

3 0
3 years ago
Classify angle X Y Z. please choose 2 correct answers !!!! Will mark Brianliest !!!!!!!! (Last option is Isosceles triangle) !!!
inn [45]
Right and Scalene I believe
8 0
3 years ago
Determine the unit rate of a marathon runner that travels 5/2 miles in 15min
VladimirAG [237]
If he travels 5/2 miles in 15 mins, then in 1 min he will travel 5/2 ÷ 15 = 1/6 miles and it will take him 15 ÷ 5/2 = 6 mins to travel 1 mile.
4 0
3 years ago
PLZZ HELLP ME !!!! WILL GIVE BRANLIEST !!!!
Zielflug [23.3K]

Answer:

24mm

Step-by-step explanation:

since it's a similar triangle, we solve;

EH/EG=DH/DG

EH=56mm;

EG=44.8mm;

DH=35mm;

DG=X+4.

Fix them,

56/44.8=35/x+4

cross multiply

56(x+4)=35×44.8

56x+224=1,568

collect the like term

56x=1,344

divide via by 56

56x/56=1344/56

x=24mm

Check/ verify

EH/EG=DH/DG

56/44.8=35/24+4

56/44.8=35/28

CROSS MULTIPLY OVER THE EQUAL SIGN.

56×28=35×44.8

1,568=1,568

THAT'S CORRECT.

6 0
3 years ago
The science club is inflating a model of a hot air balloon. The graph below shows their progress. At what rate is the diameter i
inna [77]

Answer:

12.5 centimeters per minute

Step-by-step explanation:

From the graph, the rate at which the diameter increasing would be inthe units of cm/min

The rate is basically the slope of the line. The slope (m) has formula:

m=\frac{y_2-y_1}{x_2-x_1}

Where

(x_1,y_1)  is any point from the graph

and

(x_2,y_2)  is another point from the graph

Let's take the origin (0,0) as the first point and (4,50) as the second point. Now lets calculate the slope:

m=\frac{y_2-y_1}{x_2-x_1}\\m=\frac{50-0}{4-0}\\m=\frac{50}{4}\\m=12.5

Thus, we can say:

The diameter of the hot air balloon is increasing at a rate of 12.5 centimeters per minute

7 0
4 years ago
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