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jenyasd209 [6]
3 years ago
12

Name the property of 78 x 1 = 78

Mathematics
1 answer:
julia-pushkina [17]3 years ago
5 0

Answer:

the property of one i think. I'm sorry if this is wrong

Step-by-step explanation:

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find the measure of each angle acute angle in a right triangle where the measure of one acute angle is twice the difference of t
Marina86 [1]

Answer:

The measures of the acute angles are 38 and 52 degrees.

Step-by-step explanation:

In a right triangle, there are three angles, a right angle and two acute angles. In every traingle, the sum of the measures of the angles is 180 degrees. Let's call the acute angles a and b.

a + b +90 = 180

The problem also says that one angle is twice the difference of the other angle and 12. That would look like this:

a = 2(b-12)

Now we have two equations. If we simplify them, we get these:

\left \{ {{a=90-b} \atop {a=2b-24}} \right.

Now you can substitute a in the first equation for a in the second equation

90-b=2b-24

Add b to both sides of the equation

90 = 3b-24

Add 24 to both sides

114 = 3b

Divide both sides by 3

38 = b

Now, you can substitute 38 for b in the first equation and simplify.

a = 90-38

a=52

Therefore,

a=52, and b=38

Don't forget to like and make it the brainliest!

3 0
3 years ago
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A map of a city uses a scale of 1cm =3.5 meters. If a road shown on the maps runs for 25cm how long is the road?
choli [55]

Answer: 87.5

Step-by-step explanation: 1cm x 25cm = 87.5

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If the angles of a quadrilateral are 140, 80, 60, 80 then what type of quadrilateral could it be?
Lubov Fominskaja [6]
Im sorry but, a friend told it was a rectangle, im sure if thats  a good enough answer but if it isn't im sorry

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What is the mode of the data shown below?
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C
there can be more than one mode. 20 and 30 have the same amount and are most frequent
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