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3 years ago

A hypothesis must be testable and _____ --there must be some observation or experiment that could show that it is not true.

Mathematics

1 answer:

Harman [31]3 years ago

8 0

Answer:

The answer in the blank is : falsifiable

Step-by-step explanation:

A hypothesis must be testable and falsifiable -- there must be some observation or experiment that could show that it is not true.

Falsifiability is the capacity for the theories or hypothesis to be proven wrong. This feature is important in the scientific method and hypothesis testing.

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Let D = {-2 -1. 0. 1. 2}. Is D a subset of itself? Explain.

dolphi86 [110]

Answer:

Yes

Step-by-step explanation:

Given

$D = \{-2,-1,0,1,2\}$

Required

Is D a subset of itself?

A subset is defined in such a way that, all elements of the subset can be found in the main set.

So; because set D contains all of its elements, then D is a subset of itself.

$D = \{-2,-1,0,1,2\}$

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3 years ago

Match the vocabulary word with the correct definition.

Digiron [165]

Answer:

1=original image before transformation

2=shape or object that has been transformed

3=change made to shape or object

4=the mirror line

5=transformation in which figure flipped over line

Step-by-step explanation:

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3 years ago

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I need help please <br> (Geometry)

oee [108]

The surface area formula for any sphere is 4(pi)(radius)^2

The radius is half of the diameter.

18.6 / 2 = 9.3

So, plug into the formula and solve.

4(3.14)(9.3)^2 = 1086.3 mm^2

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4 years ago

Amy joined a DVD rental club. She paid an initial fee of $15.87 and it costs $0.82 per DVD she rents. The expression to show the

MrMuchimi

Answer:

$45.34

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3 years ago

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2x + 3y = 40<br>5x + 2y = 30

Andrew [12]

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Hi my lil bunny!

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A) Let's solve for x. $2x + 3y = 40$

Step 1: Add -3y to both sides.

$2x + 3y + -3y = 40 + -3y$

$2x = -3y + 40$

Step 2: Divide both sides by 2.

$\frac{2x}{2} = \frac{-3y + 40}{2}$

$x = \frac{-3}{2} y + 20$

Answer : $\frac{-3}{2} y + 20$

~~~~~~~~~~~~~~~~~

B) Let's solve for x. $5x + 2y = 30$

Step 1: Add -2y to both sides.

$5x + 2y + -2y = 30 + -2y$

$5x = -2y + 30$

Step 2: Divide both sides by 5.

$\frac{5x}{5} = \frac{-2y + 30}{5}$

$x = \frac{-2}{5} y + 6$

Answer : $\frac{-2}{5} y + 6$

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Could you maybe give brainliest..?

❀*May*❀

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4 years ago

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