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ElenaW [278]
3 years ago
11

2 people can plough a field in 6 hours how long would it take for 3 people to plough the field?

Mathematics
2 answers:
Zolol [24]3 years ago
5 0

Answer:

2 hours

Step-by-step explanation:

mote1985 [20]3 years ago
3 0

Answer:

9 hours

Step-by-step explanation:

2 people can plough a field in 6 hours

3 people will plough that fielid in (3/2 × 6) hours

= <em><u>9</u></em><em><u> </u></em><em><u>h</u></em><em><u>o</u></em><em><u>u</u></em><em><u>r</u></em><em><u>s</u></em>

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Write an equation that defines the exponential function with base a &gt; 0.
inessss [21]
<span>The equation fpxq =ax defines an exponential function with base a. The domain of the function is all real numbers.</span>
4 0
3 years ago
Can you help me to solve this​
Ber [7]

Answer:

\frac{4a-2}{2a+1}

Step-by-step explanation:

Factorise the numerator and denominator

8a² - 2 ← factor out 2 from each term

= 2(4a² - 1) ← 4a² - 1 is a difference of squares

= 2(2a - 1)(2a + 1)

4a² + 4a + 1 ← is a perfect square

= (2a + 1)²

Thus

\frac{8a^2-2}{4a^2+4a+1}

= \frac{2(2a-1)(2a+1)}{(2a+1)(2a+1)} ← cancel (2a + 1) on numerator/ denominator

= \frac{2(2a-1)}{2a+1}

= \frac{4a-2}{2a+1}

3 0
3 years ago
Read 2 more answers
Activity
mina [271]

Answer:

Factor, in mathematics, a number or algebraic expression that divides another number or expression evenly—i.e., with no remainder. For example, 3 and 6 are factors of 12 because 12 ÷ 3 = 4 exactly and 12 ÷ 6 = 2 exactly. The other factors of 12 are 1, 2, 4, and 12. A positive integer greater than 1, or an algebraic expression, that has only two factors (i.e., itself and 1) is termed prime; a positive integer or an algebraic expression that has more than two factors is termed composite. The prime factors of a number or an algebraic expression are those factors which are prime. By the fundamental theorem of arithmetic, except for the order in which the prime factors are written, every whole number larger than 1 can be uniquely expressed as the product of its prime factors; for example, 60 can be written as the product 2·2·3·5.

3 0
3 years ago
Solve for the equation for all x values by completing the square x^2 - 27= 67
navik [9.2K]

Answer:

The solutions for the equation x^2\:-\:27=\:67 are x=\sqrt{94},\:x=-\sqrt{94}.

Step-by-step explanation:

To find the solutions for the equation x^2\:-\:27=\:67 you must:

\mathrm{Add\:}27\mathrm{\:to\:both\:sides}\\\\x^2-27+27=67+27

\mathrm{Simplify}\\\\x^2=94

\mathrm{For\:}x^2=f\left(a\right)\mathrm{\:the\:solutions\:are\:}x=\sqrt{f\left(a\right)},\:\:-\sqrt{f\left(a\right)}\\\\x=\sqrt{94},\:x=-\sqrt{94}

6 0
3 years ago
What is the value of x?
Rashid [163]

Answer:

X=98°

Step-by-step explanation:

53° + 45° = 98

98-180= 82

every triangle is always equal o 180°

so...   53°+ 45°+ 82° = 180

to find x you need to subtract 82 from 180 which is 98

<em>remember its important to find the inner degree before the outer.</em>

7 0
3 years ago
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