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Zarrin [17]
3 years ago
13

A student got 68% of the questions correct on the Social Studies test. If there were 50 questions, how many questions did they g

et correct? *
Mathematics
2 answers:
kaheart [24]3 years ago
8 0

Answer:

The answer is 34.

777dan777 [17]3 years ago
7 0

Answer:

34 questions correct

Step-by-step explanation:

50*.68=34

to check: 34/50 = .68

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What is the measure of angle X ?
Rus_ich [418]

Answer:

65 deg

Step-by-step explanation:

Recall that interior angles of a triangle must add up to 180 deg.

hence

x + 68 + 47 = 180

x = 180 - 68 - 47 = 65 deg

6 0
3 years ago
It was recently estimated that females outnumber males by about three or two. If there are 1770 people in a county, how many of
max2010maxim [7]

GIVEN

1) Females outnumber males by 3 to 2.

2) There are 1770 people in the city.

SOLUTION

Let the number of males be x and the number of females y. Therefore, the total number of people can be written to be:

x+y=1770\text{   -----------(1)}

If there are 3 females for every 2 males, we have that:

\begin{gathered} \frac{y}{3}=\frac{x}{2} \\ \therefore \\ x=\frac{2y}{3}\text{   ----------(2)} \end{gathered}

We can substitute equation (2) into equation (1) and solve for y:

\begin{gathered} \frac{2}{3}y+y=1770 \\ \frac{2y+3y}{3}=1770 \\ 5y=1770\times3 \\ 5y=5310 \end{gathered}

Dividing both sides by 5, we have

y=1062

There are 1062 females in the county.

3 0
1 year ago
18 of the last 30 cars passed you were black. what is the probability the next car will be black?
Nutka1998 [239]
18/30 simplifies into 6/10 which then is put in decimal form of 0.6
7 0
3 years ago
What is the equivalent distance of 60,000 centimeters in kilometers?
ruslelena [56]

Answer60

Step-by-step explanation:

3 0
2 years ago
Can you help me find x?
kozerog [31]

Answer:

Im 99 percent sure its b or c

Step-by-step explanation:

but wait for the other kid to answer

3 0
3 years ago
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