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3 years ago

PLEASE HELP ASAP I NEED ANSWERS NOW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

lys-0071 [83]3 years ago

5 0

Answer:

I'm pretty sure "x" is 3 because

Step-by-step explanation:

3 x 2 is 6 + 1 is 7

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Out of 106 total sophomores, there were forty-eight boys who received either an A, B, or C on their first math test. Out of the

guapka [62]

Answer:

the 2nd chart. chart B.

Step-by-step explanation:

edge 2022

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2 years ago

First, the triangle is dilated by a scale factor of 1/3 about the origin. Then the triangle is reflected over the x-axis. Finall

musickatia [10]

Answer:

$(\frac{1}{3}x - 3,-\frac{1}{3}y+2)$

Both triangles will be similar

Step-by-step explanation:

See comment for complete question.

Given

Let the coordinates of the triangle be T(x,y)

First transformation: Dilation by 1/3

The new points will be:

$T' = \frac{1}{3}(x,y)$

$T' = (\frac{1}{3}x,\frac{1}{3}y)$

Second: Reflection over the x-axis

When a point (x,y) is reflected over the x-axis, the new point is (x,-y).

So, we have:

$T'' = (\frac{1}{3}x,-\frac{1}{3}y)$

Third: Translation 3 units left and 2 units up.

When a point (x,y) is translated b units left and h units up, the new point is (x - b,y+h).

In this case:

$b = 3$ and $h = 2$

So, we have:

$T''' = (\frac{1}{3}x - 3,-\frac{1}{3}y+2)$

Hence, the coordinate of the new triangle will be: $(\frac{1}{3}x - 3,-\frac{1}{3}y+2)$

<em>Additionally, both triangles will be similar because all the transformation done are rigid transformations i.e. Dilation, Reflection and Translation</em>

4 0

3 years ago

Solve for s in the proportion.

Bumek [7]

Answer:

s = 8

Step-by-step explanation:

18 × s =12 × 12

18s = 144

dividing both sides of the equation by 18 gives

s =144/18

s = 8

3 0

3 years ago

At the concession stand of a school foot ball game, sandwiches cost $1.50 and a bottle of water costs $.90. The school sells 40

Bas_tet [7]

40+80=120. 40/120=.3333.... or 1/3. so sandwiches percent is 33% and so 100-33= 67 so the bottles of water would be 67%

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3 years ago

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The Formula for the area of a trapezoid is A=1/2(b1+b2)h when this equation is solve for B1, One equation is b1=2A/h -b2 which o

sukhopar [10]

Answer:

see below

Step-by-step explanation:

Multiply by 2 and expand the right side:

2A = b1h +b2h

Subtract the b2 term:

2A -b2h = b1h

Divide by h:

b1 = (2A -b2h)/h

8 0

3 years ago

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