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otez555 [7]
3 years ago
15

Someone please help me with this question ?

Mathematics
1 answer:
Anna11 [10]3 years ago
3 0
X = 11 x cos(22) = 10.199  = 10.2
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I need help with multistep equations<br>​
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Answer:

1 2/3 = m

Step-by-step explanation:

2/3 = m+3/5 -8/5

Combine terms

2/3 = m-5/5

2/3 = m -1

Add 1 to each side

2/3 +1 = m-1+1

2/3 +3/3 = m

5/3 = m

1 2/3 = m

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Lightwaves travel from the air into a lens made of glass. Their velocity decreases as they enter the glass. How does this affect
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Their frequency stays the same and their wavelength decreases
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Heeeelllpppssss pleeaassee.....…………
Kay [80]

Answer:

x= -8     x=2

Step-by-step explanation:

x^2 +6x - 6 = 10

Subtract 10 from each side

x^2 +6x -16 =0

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8*-2 = -16

8-2 = 6

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Using the zero product property

x+8 =0    x-2 =0

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8 0
3 years ago
A teacher reviews 4-1/2 papers per hour, how many papers will that teacher review in 6-1/3 hours
MrRa [10]

Answer:

28\frac{1}{2}\ papers

Step-by-step explanation:

step 1

Convert mixed numbers to an improper fractions

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6\frac{1}{3}=\frac{6*3+1}{3}=\frac{19}{3}

step 2

we know that

A teacher reviews 9/2 papers per hour

using proportion

Find how many papers will the teacher review in 19/3 hours

Let

x-----> the number of papers

(9/2)/1=x/(19/3)

x=(19/3)(9/2)

x=28.5\ papers

Convert to mixed numbers

28.5=28\frac{1}{2}\ papers

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2 years ago
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A graph with a dotted line running through the points (-4, 0) and (0, 6) shaded above the origin.

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3 years ago
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