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Nutka1998 [239]
3 years ago
9

Whats the answer

le="80 + ( - 22 \frac{4}{15})" alt="80 + ( - 22 \frac{4}{15})" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
yaroslaw [1]3 years ago
4 0
The answer is =-214/15
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A farmer finds there is a linear relationship between the number of bean stalks, n, she plants and the yield, y, each plant prod
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Answer:

Step-by-step explanation:

Given that a farmer finds there is a linear relationship between the number of bean stalks, n, she plants and the yield, y, each plant produces

When we consider this graph as a straight line, the two points lying on the line would be

(30, 30) and (34, 28) taking n as horizontal and y vertical

Using two point equation we find that

the equation of the line is

\frac{y-y_1}{y_2-y_1} =\frac{x-x_1}{x_2-x_1}

Substitute the points as x =n

\frac{y-30}{28-30} =\frac{x-30}{34-30}\\y-30 = -0.5(x-30)\\y = -0.5x+45

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3 years ago
Find the area of the shaded regions<br> Will give brainliest!!
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Answer:

it is 40pi

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pi r^2 and you have 144 degrees shaded which is 40% of the circle.

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4 0
3 years ago
Read 2 more answers
3x+15-7x=-7 solve for x
xenn [34]

3x+15−7x=−7

Simplify:

3x+15−7x=−7

3x+15+−7x=−7

(3x+−7x)+(15)=−7(Combine Like Terms)

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Subtract 15 from both sides.

−4x+15−15=−7−15

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Divide both sides by -4.

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5 0
3 years ago
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What two numbers multiply to get 25 and add to -10
SOVA2 [1]
x;\ y-the\ numbers\\\\  \left\{\begin{array}{ccc}xy=25\\x+y=-10&\to x=-10-y\end{array}\right\\\\subtitute:\\(-10-y)y=25\\(-10)(y)-y(y)=25\\-10y-y^2=25\\-y^2-10y-25=0\ \ \ \ |change\ the\ signs\\y^2+10y+25=0\\y^2+5y+5y+25=0\\y(y+5)+5(y+5)=0\\(y+5)(y+5)=0\\(y+5)^2=0\iff y+5=0\to \boxed{y=-5}\\\\subtitute\ the\ value\ of\ y\ to\ the\ equation\ x=-10-y\\x=-10-(-5)\\x=-10+5\\\boxed{x=-5}\\\\Answer:\boxed{-5\ and\ -5}
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4 years ago
A line,y = mx +b, passes through the point (4,-3) and is
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The answer is b = -3
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3 years ago
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