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vazorg [7]
3 years ago
8

On a 1:5 scale drawing of a car one part is 8 inches how long will the actual car part be

Mathematics
2 answers:
Lemur [1.5K]3 years ago
6 0
40


I hope this helps and have a wonderful day filled with joy!!
lina2011 [118]3 years ago
5 0
40, because if the ratio is 1:5 then we can times 8 by 5 to get 40 (I think :P)
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Determine whether the equation defines y as a function of x.<br> x+y=9 and x^2+y^2=1 and x=y^2
Murrr4er [49]

Answer:

Function: x+y=9

Not Function: x^2+y^2=1    and     x=y^2

Step-by-step explanation:

Given

x+y=9

x^2+y^2=1

x=y^2

Required

Determine if y is a function of x

Solving x+y=9

x+y=9

Make y the subject of formula

y = 9 - x

<em>Hence; y is a function of x</em>

Solving x^2+y^2=1

x^2+y^2=1

Subtract x² from both sides

y^2=1 - x^2

Square root of both sides

y =\± \sqrt{1 - x^2}

This implies that

y =\sqrt{1 - x^2}     or     y =-\sqrt{1 - x^2}

<em>Because </em>y<em> can be any of those two expressions, it is not a function.</em>

Solving x=y^2

x=y^2

Reorder

y^2 = x

Take square roots

y = \±\sqrt{x}

This implies that

y = \sqrt{x}      or        y = -\sqrt{x}

<em>Because </em>y<em> can be any of those two expressions, it is not a function.</em>

4 0
3 years ago
One pound of chicken costs $3.Jim buys 8 and 2/3 pounds of chicken.how much does jim pay for the chicken?
FromTheMoon [43]
It would cost $26 because 3x8=24. 3/1/3=1. so 1/3=$1.
7 0
3 years ago
Find the midpoint of the line joining A (3,5) and B(1,3)​
MaRussiya [10]

Answer:

(-1 , -1)

Step-by-step explanation:

x_1= 3 \\ y_1= 5 \\ x_2=1 \\ y_2= 3

midpoint \:  = ( \frac{x_2 - x_1}{2}  \:  \frac{y_2 -y_1}{2} )

=(  \frac{1 - 3}{2}  \:  \frac{3 - 5}{2} ) \\  = ( \frac{ - 2}{2}  \:  \frac{ - 2}{2} ) =  \\ ( - 1 \:  - 1)

3 0
3 years ago
Simplify the expression.<br><br> 4d+9−d−8
skad [1K]
4d + 9 - d - 8 = (4d - d) + (9 - 8) = d(4 - 1) + 1 = 3d + 1
8 0
3 years ago
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Need help now don't delete plz number 5 only
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I think that it will be unlikely because it is a 1/12 chance they will land on the star.
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3 years ago
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