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zubka84 [21]
2 years ago
14

Which of these are expressions?

Mathematics
1 answer:
Ugo [173]2 years ago
7 0

Answer:

1x0

2 x 11

1x0

Hope this helps! :) Please rate brainliest

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Solve the following in-equations and graph the solution on the number line
OverLord2011 [107]

Answer:

Step-by-step explanation:

\frac{x-4}{3} ≥ - 2

x - 4 ≥ - 6

x ≥ - 2

<em>x ∈ [ - 2 , ∞ )</em>

2 - 6x < 32

- 6x < 30

x > - 5

<em>x ∈ ( - 5 , ∞ )</em>

6 0
2 years ago
Evaluate the expression x³ when x=0.2
Talja [164]

I believe the answer is 0.008

because

0.2 × 0.2 × 0.2 is equivalent to 0.008

5 0
3 years ago
Read 2 more answers
The height distribution of NBA players follows a normal distribution with a mean of 79 inches and standard deviation of 3.5 inch
Shtirlitz [24]

Answer:

The probability will be "0.0111".

Step-by-step explanation:

The given values are:

Mean,

\mu = 79

Standard deviation,

\sigma = 3.5

Now,

⇒ \sigma\bar x = \frac{\sigma}{\sqrt n}

         =   \frac{3.5}{\sqrt 16}

         =0.875

⇒ P(\bar x > 81) = 1 - P(\bar x < 81)

So,

= 1 - P{\frac{(\bar x - \mu \bar x )}{ \sigma \bar x}  < \frac{(81 - 79) }{0.875} ]

= 1 - P(z < 2.2857)

= 0.0111

7 0
3 years ago
The square root of a number x is always less than x
Gnom [1K]
Yes this is a correct statement.
8 0
3 years ago
Kaya devoted 2/5 of her study time to mathematics, 3/20 of her time to social studies, 1/3 of her time to chemistry and the rema
andrezito [222]

Answer:

  54 minutes

Step-by-step explanation:

The sum of fractions is ...

  2/5 + 3/20 + 1/3 = 11/20 +1/3 = (3·11 + 20·1)/(20·3) = 53/60

Then the 42 minutes devoted to English represents 1 - 53/60 = 7/60 of her study time.

Kaya's social studies time is 3/20 = 9/60 of her total, so the ratio of SS to Eng is ...

  SS : Eng = (9/60) : (7/60) = 9 : 7

When we multiply the numbers in this ratio by 6, we find ...

  SS : Eng = 54 : 42

Kaya spent 54 minutes studying social studies.

5 0
3 years ago
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