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4 years ago

What is a HYPOTHESIS

Mathematics

2 answers:

s2008m [1.1K]4 years ago

8 0

Answer:

Step-by-step explanation:

A hypothesis is a proposed explanation for a phenomenon. For a hypothesis to be a scientific hypothesis, the scientific method requires that one can test it. Scientists generally base scientific hypotheses on previous observations that cannot satisfactorily be explained with the available scientific theories

alukav5142 [94]4 years ago

3 0

Answer:

it is an assumption that is not proved

it is what you suppose is the law and test it

if you can prove an hypothesis, it becomes the law

Step-by-step explanation:

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X-7 verbal expression

maria [59]

Answer:

The difference between x and seven.

Step-by-step explanation:

Step 1: Convert x to word form

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Step 2: Convert - to word form

- = difference

Step 3: Convert 7 to word form

7 = seven

Step 4: Combine

The difference between x and seven.

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4 years ago

A bacteria culture starts with 900 bacteria and doubles in size every half hour.

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4 years ago

A circular pond 24 yd in

Schach [20]

Answer:

The walk will cost $8164.

Step-by-step explanation:

Given:

Diameter of the circular pond (D) = 24 yd

Width of the gravel path (x) = 2 yd

Cost per yard of the path = $50

Now, radius of the circular pond is half of the diameter and is given as:

$Radius,R=\frac{D}{2}=\frac{24}{2}=12\ yd$

Now, area of the pond is given as:

$A_{pond}=\pi R^2=3.14\times (12)^2=3.14\times 144=452.16\ yd^2$

Area of the complete path including the pond area is given as:

$A_{outer}=\pi(R+x)^2=3.14\times(12+2)^2=3.14\times196=615.44\ yd^2$

Now, area of the gravel path can be obtained by subtracting the pond area from the total outer area. This gives,

$A_{path}=A_{outer}-A_{pond}\\\\A_{path}=615.44-452.16=163.28\ yd^2$

Now, using unitary method,

Cost of 1 square yard of path = $50

∴ Cost of 163.28 square yard of path = 50 × 163.28 = $8164

Hence, the walk will cost $8164.

5 0

4 years ago

Read 2 more answers

Solve for z. –2.9 + 4.2z = –14.73 − 12.74 + 0.3z z =

Kobotan [32]

Answer:

$\boxed{z = -6.3}$

Step-by-step explanation:

$= > - 2.9 + 4.2z = - 14.73 - 12.74 + 0.3z \\ \\ = > - 2.9 + 4.2z = - 27.47 + 0.3z \\ \\ = > 4.2z - 2.9 = 0.3z - 27.47 \\ \\ = > 4.2z - 0.3z - 2.9 = - 27.47 \\ \\ = > 3.9z = - 27.47 + 2.9 \\ \\ = > 3.9z = - 24.57 \\ \\ = > z = - \frac{24.57}{3.9} \\ \\ = > z = - 6.3$

4 0

3 years ago

What is a HYPOTHESIS​

What is a HYPOTHESIS