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AVprozaik [17]
3 years ago
6

Please help me and show your work

Mathematics
1 answer:
morpeh [17]3 years ago
6 0

Answer:

Step-by-step explanation:

y = 3x + 4

Plugin x = 3 in the equation,

y = 3*3 + 4

 = 9 + 4

y = 13

Plugin x = 4 in equation,

y = 3*4 + 4

  = 12 + 4

y = 16

Plugin x = 5 in the equation,

y = 3*5 + 4

  = 15 + 4

y = 19

2) y =x - 7

Plugin x = 10 in the equation

y = 10 - 7

y = 3

Plugin x = 15 in the equation

y = 15 - 7

y = 8

Plugin x = 20 in the equation

y = 20 - 7

y = 13

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Jeff is baking a cake. The recipe says that he has to mix 32 grams of vanilla powder to the flour. Jeff knows that 1 cup of that
ValentinkaMS [17]
1 / 128 = (2/3) / x....1 cup to 128 grams = 2/3 cups to x grams
cross multiply
(1)(x) = (128)(2/3)
x = 256/3
x = 85.3

he went over...
85.3 - 32 = 53.3....he went over by 53.3 (or 53 1/3) grams
6 0
4 years ago
Find the length of the arc
worty [1.4K]

Answer:

33 Km

Step-by-step explanation:

The length of the arc is calculated as

arc = circumference of circle × fraction of circle

     = 2πr × \frac{135}{360}

     = 2π × 14 × \frac{3}{8}

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3 years ago
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Eva8 [605]
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7 0
3 years ago
Read 2 more answers
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Agata [3.3K]

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Step-by-step explanation:

3 0
3 years ago
Solve the triangle. B = 36°, a = 41, c = 20
AnnyKZ [126]
C = 82.8° 

<span>b = 27.5 </span>

<span>Here's the working in case you need to see it. </span>

<span>Using Law of Cosines to first find b: </span>

<span>b² = a² + c² - 2acCOS(B) </span>

<span>b² = (41)² + (20)² - 2(41)(20)COS(36) </span>

<span>b = about 27.5 </span>

<span>Now using Law of Sines to find A </span>

<span>sin(36) / (27.5 = sin(A) / (41) </span>

<span>sin(A) = 41sin36 / 27.5 </span>

<span>sin(A) = 0.876334376145 </span>

<span>A = SinInverse(0.876334376145) </span>

<span>A = about 61.2° </span>

<span>Now using 180-61.2-36 to find B = 82.8° </span>

<span>Have a good day! </span>
7 0
4 years ago
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