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bekas [8.4K]
3 years ago
14

A survey asked 50 students if they play an instrument and if they are in band.

Mathematics
1 answer:
N76 [4]3 years ago
3 0

C, just look at the "Total" for each single information.

the values in the inner grid combine multiple informations.

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Ami purchases 27 T-shirts for a certain amount of money. Using m for the total amount of money in dollars that Ami spent on T-sh
grigory [225]
M = 27x
where x is the price of a t-shirt
3 0
3 years ago
a customer buys a diiferent book that has an original selling price of $38 the books is discounted 25% the customer must pay a 6
Nimfa-mama [501]
Answer: 30.21$
Explanation:
1. 38• 0.25(25%)=28.50
2. 28.50•0.06(6)=1.71 ( the sales taxes)
3. 28.50+1.71=30.21$
Hope this helps. If it’s correct please tell me.
7 0
3 years ago
You lean a 30 foot ladder against your house and it reaches exactly to the top. The ladder makes a 24 degree angle with the grou
zhenek [66]
A right triangle is formed with the ladder as the hypotenuse. Since the angle made by the ladder with with ground is given, we can use trigonometric functions to solve for the height of the house.

If we let x be the height of the house and using sine function:
sin 24 = x/30
x = 30 sin 24
x = 12.20 ft

Therefore, the house is 12.20 ft tall
4 0
3 years ago
Henry has red marbles and blue marbles. The ratio of the number of his red marbles to blue marbles is 5:7 . If Henry has 63 blue
nika2105 [10]

Answer:

45 because 7 x 9 = 63 so you have to do 5 x 9 = 45

Step-by-step explanation:

8 0
3 years ago
Can someone help me with this proof
maksim [4K]

Step-by-step explanation:

Given :

Given that lines a and b are parallel, angles 1 and 5 are congruent because they are corresponding angles, and angles 1 and 4 are congruent because they are vertical angles

To find : by which property are angles 4 and 5 congruent

Solution :

We know that if two parallel lines are cut by a transversal, then the pairs of alternate interior angles are congruent.

Also, we know that if two things are equal to the same thing then they are equal to each other . In this case, we can say that if two angles are congruent to a third angle, then they are congruent to each other. As angles 4 and 5 are both congruent to angle 1, they are congruent to each other but angles 4 and 5 are alternate interior angles. So, if parallel lines have a transversal, alternate interior angles are congruent.

8 0
3 years ago
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