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3 years ago

Which has the least absolute value?A. 5B. 30C. -10D. -50

2 answers:

7 0

Absolute value means the total distance from zero. So you get rid of any negative signs and then look at which number has the lowest value (which is the smallest number without any negative signs).

stellarik [79]3 years ago

3 0

Hello,

we know that: $|a|=a \\ |-a|=a$

Then refgardless of the sign, the smallest number will have the least absolute value.

Answer: A

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I need help ASAP.

Bingel [31]

9/15

8.3%

Step-by-step explanation:

the total amount of trials was fifteen and head was scored 9 times so 9/15

the odds of a dice roll is 1/6 or 16.66% and a coin is 50%. To get both to happen in an ideal circumstance we multiply the odds so we multiply 1/6 and 1/2

8 0

3 years ago

Jason considered two similar televisions at a local electronics store. The generic version was based on the brand name and was t

Rus_ich [418]

i just figured this out it is c because 32 times 3 is 96 divided by 8 is 12 and 64 times 3 is 192 divided by 8 equals 24 so that means it is c.

7 0

4 years ago

Read 2 more answers

A candidate scored 32 marks out of 80, find his percentage score

Olin [163]

$\large\begin{gathered} {\underline{\boxed{ \rm {\purple{Percentage \: = \: \frac{Value}{Total \: Value} \: \times \: 100 }}}}}\end{gathered}$

$\bf \longrightarrow \: \: Percentage \: = \: \frac{32}{8 \cancel0} \: \times \: 10 \cancel0 \\$

$\bf \longrightarrow \: \: Percentage \: = \: \cancel \frac {320}{ \: \: \: 8 \: \: \: \: } \: \: ^{40 \: \%} \\$

$\bf \longrightarrow \: \: Percentage \: = \: 40 \: \%$

<h3><u>Candidate score 40%</u></h3>

5 0

3 years ago

I sphere has a diameter of 24 units what is the volume in cubic units

Stolb23 [73]

The formula to find the volume of a sphere is:
4π(r³/3)=V
The radius is half of the diameter.
24÷2=12
4π(12³/3)=V
12.5663706(576)=V
7238.22947=V
So, the volume of the sphere is 7,238.22947 units³.

6 0

3 years ago

A particular brand of tires claims that its deluxe tire averages at least 50,000 miles before it needs to be replaced. From past

Minchanka [31]

<h2><u>Answer with explanation</u>:</h2>

Let $\mu$ be the distance traveled by deluxe tire .

As per given , we have

Null hypothesis : $H_0 : \mu \geq50000$

Alternative hypothesis : $H_a : \mu$

Since $H_a$ is left-tailed and population standard deviation is known, thus we should perform left-tailed z-test.

Test statistic : $z=\dfrac{\overlien{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

where, n= sample size

$\overline{x}$ = sample mean

$\mu$ = Population mean

$s$ =sample standard deviation

For $n= 31,\ \sigma=8000,\ \overline{x}=46,800\ \&\ s=46,800$ , we have

$z=\dfrac{46800-50000}{\dfrac{8000}{\sqrt{31}}}=-2.23$

By using z-value table,

P-value for left tailed test : P(z≤-2.23)=1-P(z<2.23) [∵P(Z≤-z)=1-P(Z≤z)]

=1-0.9871=0.0129

Decision : Since p value (0.0129) < significance level (0.05), so we reject the null hypothesis .

[We reject the null hypothesis when p-value is less than the significance level .]

Conclusion : We do not have enough evidence at 0.05 significance level to support the claim that t its deluxe tire averages at least 50,000 miles before it needs to be replaced.

4 0

3 years ago