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Sergeeva-Olga [200]
3 years ago
13

Tracy took a quiz containing 12 items. If she answered 5/6 of the items correctly how many items did Tracy answer correctly?

Mathematics
2 answers:
Orlov [11]3 years ago
3 0

Answer:

10

Step-by-step explanation:

5/6=10/12


Klio2033 [76]3 years ago
3 0

Answer:

She answer 10 questions correctly  

Step-by-step explanation: if you divide 12 into 6 groups you would have 2 in each group and now multiply that by 5 because that's how many of the items she got correct and you get 10


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Find the percentage of change when 77 is decreased to 70. If necessary, round your answer to the nearest tenth
Svet_ta [14]
Change % = (77-70)/77 *100

= 100/11 = 9.1 % decrease

option C)

hope it helped
8 0
2 years ago
Please help? A plane is 160 miles north and 110 miles east of an airport. what bearing should be taken to fly directly to the ai
Vesnalui [34]
Let the position of the airport be A, the point 160 miles north be B, and the point 85 miles east of that (i.e. the location of the plane) be C. Then ABC forms a right-angled triangle. 

<span>tan BAC = 85/160 </span>

<span>BAC = arctan (85/160) </span>

<span>= arctan 0.531 (approx.) </span>

<span>= 27.98° (approx.) </span>

<span>So C is N 27.98° E from A. </span>

<span>The plane should fly S 27.98° W to get to the airport.

Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
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7 0
2 years ago
What is 5x486??????????????????????????
dalvyx [7]
486
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2430

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5 0
2 years ago
Read 2 more answers
calcular lo que costará sembrar césped en un jardín de forma triangular de base 25 m y de altura 15m si cada metro cuadrado de c
olasank [31]

Answer:

$3,750

Step-by-step explanation:

In english:

First we need to calculate the area of the garden. As it is a triangle we calculate the area as:

area = (base*height)/2

The base is 25m and the height 15m, so the area is:

area = 25*15/2 = 187.5 m2

As each m2 costs $20, for the whole cost we need to calculate the product between 187.5 m2 and $20:

cost = 187.5 * $20 = $3,750

Total cost: $3,750

In spanish (en espanol):

Primero necesitamos calcular el área del jardín. Como es un triángulo calculamos el área como:

área = (base * altura) / 2

La base mide 25 my la altura 15 m, por lo que el área es:

área = 25 * 15/2 = 187.5 m2

Como cada m2 cuesta $ 20, para el costo total necesitamos calcular el producto entre 187.5 m2 y $ 20:

costo = 187.5 * $ 20 = $ 3,750

Costo total: $3,750

3 0
3 years ago
Simplify each expression<br> -3m + 16 - (-13m)<br> 15y - 20y + 15
posledela

Answer:

10m + 16

-5y + 15

Step-by-step explanation:

-3m + 16 - (-13m) =

= -3m + 16 + 13m

= 10m + 16

15y - 20y + 15 =

= -5y + 15

3 0
2 years ago
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