Twenty five students are in a class. Each student will have one half of a sandwich for a snack. Each sandwich is made with two slices of bread. How many slices of bread are needed to make enough sandwiches for each student to have one-half of a sandwich for a snack?
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If you could can you explain how you got the answer, so I understand it? Please and thank you!
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-- There had to be instructions that came along with this picture.
Somewhere in those instructions, it said that the top line and
bottom line are parallel ... the ones with the little arrowheads
across them, they're parallel.
-- One factoid about parallel lines is: When parallel lines are
cut by a transversal, the alternate interior angles are equal.
Both of the sloping lines are transversals that cut the parallel lines.
Look at the longer one.
Angle-m and 46° are the alternate interior angles, so they're equal.
-- Angle-m = 46° . Now the whole thing falls apart.
-- Look at the triangle standing up on one vertex.
One angle in the triangle is 92°.
Another angle in the triangle is 46° (angle-m) .
The three angles in the triangle have to add up to 180° .
-- Angle-k is what's left when you start with 180°, take away 92°,
and then take away another 46° . I get 42° .
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Another way to do it, using another fact about parallel lines:
-- When parallel lines are cut by a transversal, the interior angles
on the same side of the transversal are supplementary.
(I haven't used this rule in 61 years. I hope they haven't changed it.)
-- Look at the shorter sloping line.
It's a transversal that cuts the parallel lines.
-- The interior angles on the same side of the transversal
are the 92° and the big one at the bottom ... the (k + 46°).
-- Those angles are supplementary ... they add up to 180° .
92° + (k + 46°) = 180°
-- AGAIN ... 'k' is what's left when you start with 180°,
take away 92°, then take away 46° more. I get 42° again.
Can you live with this ?
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He scored a total of 36 points in the game.
Let the total points of the game be x points.
According to the given question,
In the first game the team scored 55 points
In the second game the team scored 35 points
Adding the two points
x = 55 + 35 = 90
In total the team scored 90 points
Now Andrew scored 2/5 of the total points
therefore, 2x/5 = 2 × 90/5 = 2 × 18 = 36
So, Andrew scored a total of 36 points in the game.
Read more about mathematical expression at:
#SPJ2
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Answer:
distributive property
Step-by-step explanation:
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1 gallon of water requires 3/4 teaspoon of plant food, so multiply 3/4 by 5
3/4 × 5
Make 5 into a fraction
3/4 × 5/1
Multiply the denominator by the denominator and the numerator by the numerator
3 × 5 15
---- ---- = ------
4 × 1 4
15/4 is an improper fraction, so make it a mixed fraction
15/4 = 3 and 3/4
Answer:
Pedro should mix 15/4 teaspoons or 3 and 3/4 teaspoons of plant food into 5 gallons of water.
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Answer:
28.26
Step-by-step explanation:
I got i right on im