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3 years ago

13

the capacity of Jose's vase is 2,419 milliliters of water he poured 1 liter 229 milliliters of water into the empty vase then he

added 398 milliliters how much more water will the vase hold?

1 answer:

Vitek1552 [10]3 years ago

7 0

627 is the answer because I just added 229 and 398 because it only gives us those two numbers that are useful

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If you flip a coin three times, how many different outcomes are there

photoshop1234 [79]

2iuaes 1 y ldegfnteere

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3 years ago

Taiga wants to make a circular loop that she can twirl around her body for exercise. He will use a tube that is 2.5 meters long.

Travka [436]

Answer: 0.796 meters

Step-by-step explanation:

Circumference of circle = $2\pi r$ , where r=radius

Here, Circumference of loop = 2.5 meters

i.e. $2\pi r=2.5$

$\Rightarrow\ r=\dfrac{2.5}{2\pi}$

$\Rightarrow\ r=\dfrac{2.5}{2\times\dfrac{22}{7}}\\\\\Rightarrow\ r=\dfrac{2.5\times7}{2\times22}\\\\\Righttarrow\ r=0.398\ m$

Diameter = 2r = 2(0.398) = 0.796 meters

Hence, The diameter of Taiga's exercise hoop = 0.796 meters

7 0

3 years ago

The researcher is interested to know if policy A (new) is more effective than policy B (old). Frame the hypothesis and describe

vesna_86 [32]

<u>Answer:</u>

<u>Null hypothesis: Policy B remains more effective than policy A.</u>

<u>Alternate hypothesis: Policy A is more effective than policy B.</u>

<u>Step-by-step explanation:</u>

Remember, a hypothesis is a usually tentative (temporary until tested) assumption about two variables– independent and the dependent variable.

We have two types of hypothesis errors:

1. A type I error occurs when the null hypothesis (H0) is wrongly rejected.

That is, rejecting the assumption that policy B remains more effective than policy A when it is <em>actually true.</em>

2. A type II error occurs when the null hypothesis H0, is not rejected when it is actually false. That is, accepting the assumption that policy B remains more effective than policy A when it is <em>actually false.</em>

3 0

3 years ago

The area of a rectangular field is 5695 m².

denpristay [2]

Answer:

85 m

Step-by-step explanation:

5696/67=85

3 0

2 years ago

A square playground has an area of 175 m2. What is the approximate length of each side of the playground? Round your answer to t

igomit [66]

We know that the area of a square = side ²

Therefore, for a known area A, the side length is
side = √ (area)
= √ (175)
= 13.2288 (to 4 places of decimals).

4 0

2 years ago