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scoundrel [369]
3 years ago
15

Can someone help me please

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
3 0

Answer:

B

Step-by-step explanation:

sohcahtoa

sin = opp/hyp

sin A = 16/20= 4/5

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Kerion can make 12 necklaces in 2 hours how long will it take for her to make 10 necklaces
xxMikexx [17]
1 hour and 30 minutes to make 10 necklaces


7 0
3 years ago
PLS HELP<br> Find an equation of the line with a y-intercept of -3 and an x-intercept of -4.5
kari74 [83]

Answer:

y = - \frac{2}{3} x - 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (0, - 3) and (x₂, y₂ ) = (- 4.5, 0 ) ← coordinates of intercepts

m = \frac{0-(-3)}{-4.5-0} = \frac{0+3}{-4.5-0} = \frac{3}{-4.5} = - \frac{2}{3}

The line crosses the y- axis at (0, - 3 ) ⇒ c = - 3

y = - \frac{2}{3} x - 3 ← equation of line

3 0
3 years ago
A line has a slope of 2 and contains the points 1,3 and 2,y the value of y is
goldfiish [28.3K]

Answer:

The value of y is 5

Step-by-step explanation:

we know that

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

A(1,3)\ B(2,y)

Substitute the values

2=\frac{y-3}{2-1}

2=y-3

y=2+3=5

7 0
3 years ago
Which expression is equivalent to -12(3x-)?
victus00 [196]

-36×+9 is equivalent to this question.

7 0
3 years ago
Pls help, will give brainliest &lt;3
Julli [10]

Answer:

The missing side is 5 sq units.

Count each square unit without a grid.

The picture should prove this true that I edited.

<h3 /><h3>Proof ↓</h3>

6 0
2 years ago
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