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Vikki [24]
3 years ago
6

Need help plz what is a hole

Mathematics
1 answer:
jolli1 [7]3 years ago
8 0

Answer:

Statements 1,4&5

Step-by-step explanation:

A hole is when both, numerator and denominator, of a fraction become 0 (zero).

This would happen when the numerator and denominator have a common factor.

Example:

(2x+4)/(x+2)

= [2(x+2)]/(x+2) = 2

Although the fraction can be simplified, there's a hole at x = -2.

x = -2 will not be part of the domain.

The hole is represented by an open circle.

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A university has 750 female students and 2250 male students. Thirty per cent of female students study chemistry and 60% of male
UNO [17]

Answer:

1/7 or 14.3%

Step-by-step explanation:

30% of 750 = 225  (females who study chemistry)

60% of 2250 = 1350  (males who study chemistry)

1575 = total students studying chemistry

P (female chemistry student) = 225/1575 = 1/7 (simplified)

1/7 = 14.3%

7 0
2 years ago
Help me plz and explain your answer to me
Vlad1618 [11]

Answer:

4.171\times10^6

Step-by-step explanation:

Given:

First Number = 97

Second Number = 4.3\times10^4

We need to find the product of two numbers in Scientific notation.

Product of two numbers means we need to multiply two number.

Also The proper format for scientific notation is a x 10^b where a is a number or decimal number such that the absolute value of a is less than ten and is greater than or equal to one or, 1 ≤ |a| < 10. b is the power of 10 such that the scientific notation is mathematically equivalent to the original number.

Decimal points are moved until there is only one non-zero digit to the left of the decimal point. The decimal number results as  a.

Number of decimal point moved needs to be counted. This number is b.

If decimal are moved  to the left b is positive.

If decimal are moved to the right b is negative.

If decimal are not moved b = 0.

scientific notation of a number can be written as a x 10^b and read it as "a times 10 to the power of b."

Hence the product is;

97\times4.3\times 10^4 = 417.1 \times 10^4

Expressing in Scientific Notation form we get

4.171 \times 10^6

Hence the Answer is 4.171 \times 10^6.

3 0
3 years ago
The temperature of a city changed by −15 degrees Celsius over a 5-week period. The temperature changed by the same amount each w
tankabanditka [31]
Do you just wan't us to answer it or give you an explanation?
5 0
3 years ago
Kareem wants to write an equation for the data in the table below.
arlik [135]

Answer:

Y = Mx+C (General equation of a straight line)

Step-by-step explanation:

From the data given above, we could deduce that the data has two coefficients (X and Y). The numbers could be used to generate equation of a straight line.

E.g 2x+4 = 5y which is equivalent to

Mx+C = Y

Where C is the constant.

5 0
3 years ago
Read 2 more answers
15 to 35 round to the nearest 10th
m_a_m_a [10]
Jummmmmm let me think
4 0
3 years ago
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