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2 years ago

6

During science class,jimmy heated a substance and recorded the temperature of the substance over several minutes. He used the da

ta to make the graph shown.

1 answer:

Elenna [48]2 years ago

8 0

It’s -18 that’s the answer

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Dion puts seven tenths of his allowance into savings each month what fraction of his saving doesnt go in

S_A_V [24]

Answer:

$\frac{3}{10}$ of his allowance doesn’t go into Dion’s savings.

Step-by-step explanation:

We know that $\frac{7}{10}$ of Dion’s savings is going into his savings.

Since the denominator is “10” we know that $\frac{10}{10}$ is the fraction that represents all of his allowance money.

So, we would subtract $\frac{7}{10}$ from $\frac{10}{10}$ .

$\frac{10}{10}$ - $\frac{7}{10}$ = $\frac{3}{10}$

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2 years ago

All of the angles of a quadrilateral are congruent. Can the quadrilateral be a parallelogram? Explain.

professor190 [17]

It depends on the size of each angle. If a parallelogram has the same sizes of the quadrilateral then they could both be congruent.

Hope this helps! :D

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3 years ago

PLEASE HURRY!! The graph shows the distance traveled by two cars over several minutes.

tamaranim1 [39]

Im late but i had this test its car A < rate of car B hope it helps

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2 years ago

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Are 2(x-5) and 2x-5 equivalent

Mandarinka [93]

No, because with the parentheses, you distribute the 2 to both the x and the 5, making that equation 2x-10

7 0

2 years ago

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Find the perimeter of the quadrilateral that has vertices at (8,13), (5,-18), (-6,-6), and (-2,-5).

kodGreya [7K]

Answer:

72.14 units

Step-by-step explanation:

Let A(8,13), B(5,-18),C(-6,-6) and D(-2,-5)

Apply the distance formula as;

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Finding the lengths of the segments

For AB

$AB=\sqrt{(5-8)^2+(-18-13)^2} =\sqrt{(-3^2)+(-31^2)} =\sqrt{970} =31.14$

For BC

$BC=\sqrt{(-6-5)^2+(-6--18)^2} =\sqrt{(-11^2)+12^2} =\sqrt{265} =16.28$

For CD

$CD=\sqrt{(-2--6)^2+(-5--6)^2} =\sqrt{4^2+1^2} =\sqrt{16+1} =\sqrt{17} =4.12$

For DA

$DA=\sqrt{(8--2)^2+(13--5)^2} =\sqrt{10^2+18^2} =\sqrt{424} =20.6$

Finding the perimeter will be;

31.14+16.28+4.12+20.6=72.14 units

3 0

2 years ago