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Dovator [93]
3 years ago
12

There are 21 plates of tomato sandwiches, 27 plates of cheese sandwiches, and 12 plates of beef sandwiches on a buffet table. If

a guest randomly picks a single plate, what is the probability that he gets tomato or cheese sandwiches? A) 0.10 B) 0.25 C) 0.48 D) 0.80
Mathematics
2 answers:
Mrrafil [7]3 years ago
6 0
It is D: 48/60 = 0.80
Lera25 [3.4K]3 years ago
4 0
Answer is D because i add 21 and 27 and got 48 then divied by the total number sandwiches and got .80
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A meteorologist measures the angle of elevation of a weather balloon is 41 degrees. A radio signal from the balloon indicates th
I am Lyosha [343]
You can draw a diagram of the situation, representing it by a right triuangle.

In the right triangle the hypotenuse is the distance indicated by the radio signal, 1503 m, and the angle is 41°.

The opposed leg to 41° is the height of the ballon.

Then you can use the sine trigonometric function.

sine (41°) = opposed leg / hypotenuse = x / 1503 m => x = 1503m * sine(41°)

=> x = 986m.

Answer: 986m
4 0
3 years ago
Valerie ran Three and one-fourth laps yesterday, and her coach wants her to run Two and one-half times that many laps today. How
Maru [420]

Answer:

13/4 * 5/2

Step-by-step explanation:

In the question, it says that her coach wants her to run 2 1/2 TIMES the original 3/4 she had ran. Therefore, you would want to make the fractions into improper fractions, and then multiply, which is how you would get 13/4 * 5/2.

6 0
3 years ago
Please just help please
Simora [160]

Answer:

1. Yes the parentheses are necessary. To find a fourth of her regular hours you must find the total amount she works during her regular hours.

2. 6

Step-by-step explanation:

(For the second question)

4+8= 12

12 × ½ = 12 ÷ 2

12÷2 = 6

5 0
3 years ago
Write 3 over 11 as a ratio using a colon​
pshichka [43]

Answer:

3/11

3:11

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
:
kap26 [50]

Answer: a. 3.4t (miles)

b. 2.125 miles

c. t = 1.6 hours

Step-by-step explanation:

A) We will use the relation:

Distance = Speed × Time

Distance= 3.4 × t

= 3.4t (miles)

B) If t= 5/8

Distance d= 3.4 × 5/8

= 3.4 × 0.625

= 2.125 miles.

C) If the distance d= 5.44,

Time will be:

d= 3.4t, and we know that d=5.44

Therefore, 5.44 = 3.4t

t = 5.44/3.4

t = 1.6 hours

8 0
3 years ago
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