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djyliett [7]
3 years ago
8

The rate in the portion formula is always expressed with a percent symbol.

Mathematics
2 answers:
Crank3 years ago
6 0
False hope this helps
luda_lava [24]3 years ago
6 0

Answer:

False.

Step-by-step explanation:

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In an orchestra the ratio of trombones to violas is 1 to 3.
ICE Princess25 [194]
The proportion would be 1/3 and x/9. Cross multiplication creates 3x=9. Divide both sided by three, and there are 3 trombones in the orchestra.
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3 years ago
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HELP PLEASE!!
seropon [69]

Answer:

BD = <u>1</u> unit

AD = <u>1</u> unit

AB = <u>1.6</u> units

AC = <u>1.6</u> units

Step-by-step explanation:

In the picture attached, the triangle ABC is shown.

Given that triangle ABC is isosceles, then ∠B = ∠C

∠A + ∠B + ∠C = 180°

36° + 2∠B = 180°

∠B = (180° - 36°)/2

∠B = ∠C  = 72°

From Law of Sines:

sin(∠A)/BC = sin(∠B)/AC = sin(∠C)/AB

(Remember that BC is 1 unit long)

AB = AC = sin(72°)/sin(36°) = 1.6

In triangle ABD, ∠B = 72°/2 = 36°, then:

∠A + ∠B + ∠D = 180°

36° + 36° + ∠D = 180°

∠D =  180° - 36° - 36° = 108°

From Law of Sines:

sin(∠A)/BD = sin(∠B)/AD = sin(∠D)/AB

(now ∠A = ∠B)

BD = AD = sin(∠A)*AB/sin(∠D)

BD = AD = sin(36°)*1.6/sin(108°) = 1

3 0
3 years ago
Pratctice and Solving Solve each equation with variables on both sides 1. 6x - 2 = x + 13​
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Answer:

x=3

Step-by-step explanation:

6x - 2 = x + 13

subtract 1x from both sides

5x - 2 = 13

isolate the 5x by adding 2 to both sides

5x = 15

finnaly devide both by 5

x = 3

8 0
3 years ago
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Your uncle is currently four times as old as you are. In five years, your uncle will be three times as old as you. What is your
sertanlavr [38]

Answer:

your uncle will always be 4 times as old as you if he is currently 4 times as old as you

Step-by-step explanation:

kinda self explanatory so i think its a trick question haha

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2 years ago
Find the measure of JK that makes Triangle JLK- triangle PLM
tensa zangetsu [6.8K]
Just take both sides multiply by 2 then divide 3
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