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PSYCHO15rus [73]
3 years ago
11

Please Help What is the value of the expression? −34+(1/10÷2/5)

Mathematics
2 answers:
sweet-ann [11.9K]3 years ago
5 0
Regarding your (1/10 divided by 2/5):  I'm going to regard this as

(1/10) divided by (2/5).  

First, write 

 1
---         
10

Invert the fraction 2/5 and then multiply 1/10 by 5/2:

1(5)
-------- = 1/4, after reducing  5/10.
10(2)

Thus, <span>−34+(1/10÷2/5) yields -34 + 1/4, or   -33 3/4.</span>
diamong [38]3 years ago
4 0

Answer:

-33 3/4 thank you next

Step-by-step explanation:

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Find the value of |-4 + 3| · 8.
Kay [80]

Answer:

20

----------------------------------------------------------------------------------------------------------

<h3>Solve</h3>

Any negative number added to a positive number always brings you further to the left, which is considered the negative zone. It's more like subtracting in a different way. That said, let's make the equation.

-4 = -4<em> </em>

Now, multiply 3 by 8.

3 * 8 = 24

Add negative 4, meaning subtract 4 in a dynamic way.

|-4 + 24~| = 20

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2 years ago
If you can answer these simple questions im giving brainly :)
Lisa [10]

Answer:

65   3    46

Step-by-step explanation:

3 0
2 years ago
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A ferry will safely accommodate 82 tons of passenger cars. Assume that the meanweight of a passenger car is 2 tons with standard
Shalnov [3]

Answer:

The probability that the maximum safe-weight will be exceeded is <u>0.0455 or 4.55%</u>.

Step-by-step explanation:

Given:

Maximum safe-weight of 37 cars = 82 tons

∴ Maximum safe-weight of 1 car (x) = 82 ÷ 37 = 2.22 tons (Unitary method)

Mean weight of 1 car (μ) = 2 tons

Standard deviation of 37 cars = 0.8 tons

So, standard deviation of 1 car is given as:

\sigma=\frac{0.8}{\sqrt{37}}=0.13

Probability that maximum safe-weight is exceeded, P(x > 2.22) = ?

The sample is normally distributed (Assume)

Now, let us determine the z-score of the mean weight.

The z-score is given as:

z=\frac{x-\mu}{\sigma}\\\\z=\frac{2.22-2}{0.13}\\\\z=\frac{0.22}{0.13}=1.69

Now, finding P(x > 2.22) is same as finding P(z > 1.69).

From the z-score table of normal distribution curve, the value of area under the curve for z < 1.69 is 0.9545.

But we need the area under the curve for z > 1.69.

So, we subtract from the total area. Total area is 1 or 100%.

So, P(z > 1.69) = 1 - P(z < 1.69)

P(z>1.69)=1-0.9545=0.0455\ or\ 4.55\%

Therefore, the probability that the maximum safe-weight will be exceeded is 0.0455 or 4.55%.

8 0
3 years ago
Find the sum of -1.5 +3.5 + 2
GarryVolchara [31]

Answer:

4, see below :)

Step-by-step explanation:

We can rewrite the equation into:

3.5 + 2 - 1.5

First we add 3.5 and 2

3 and 2 are in the ones place so:

5, and then you added the .5

5.5

Then:

5.5 - 1.5

First we subtract the tenths place so:

.5 - .5 = 0

Then the ones:

5 - 1 = 4

6 0
2 years ago
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andreev551 [17]

Answer:

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Step-by-step explanation:

38 kids on the bus

1/2 are girls, that means 1/2 are boys

1/2 * 38 = 19

There are 19 girls and 19 boys

3 0
2 years ago
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