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2 years ago

7-x + 2x if y=6 solve'

Mathematics

2 answers:

KATRIN_1 [288]2 years ago

8 0

Remember to follow PEMDAS.

Assuming that x = 6.

= 7 - 6 + 2(6)

= 7 - 6 + 12

= 1 + 12

= 13 (Final Answer)

Hope This Helped! Good Luck!

Zigmanuir [339]2 years ago

4 0

Assuming the ‘y’ is supposed to be x,

7 - x + 2x

7 - 6 + 2(6)

7 - 6 + 12

1 + 12

= 13

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Find the value of 5 ∙ 23.

GREYUIT [131]

5 * 23 is equal to 115. =)

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2 years ago

1. In an AP, the ratio of the 2nd term to the 7th term is 1/3. If the 5th term is

grandymaker [24]

Answer:

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Step-by-step explanation:

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3 years ago

Given an arithmetic sequence with a3=5 and a5=19, find the 24th term.

krok68 [10]

The 24th term is 152

Step-by-step explanation:

The formula of the nth term of an arithmetic sequence is:

$a_n=a+(n-1)d$ , where

a is the first term
d is the common difference between consecutive terms

The third term means n = 3

∵ $a_3=a+(3-1)d$

∴ $a_3=a+2d$

∵ $a_3$ = 5

- Equate the right hand sides of the third term

∴ a + 2d = 5 ⇒ (1)

The fifth term means n = 5

∵ $a_5=a+(5-1)d$

∴ $a_5=a+4d$

∵ $a_5$ = 19

- Equate the right hand sides of the fifth term

∴ a + 4d = 19 ⇒ (2)

Now we have a system of equations to solve it

Subtract equation (1) from equation (2) to eliminate a

∴ 2d = 14

- Divide both sides by 2

∴ d = 7

- Substitute the value of d in equation (1) to find a

∵ a + 2(7) = 5

∴ a + 14 = 5

- Subtract 14 from both sides

∴ a = -9

The twenty fourth term means n = 24

∵ a = -9 and d = 7

- Substitute the values of a and d in the formula of the nth term

∴ $a_24=-9+(24-1)(7)$

∴ $a_24=-9+(23)(7)$

∴ $a_24=-9+161$

∴ $a_24=152$

The 24th term is 152

Learn more:

You can learn more about the arithmetic sequence in brainly.com/question/7221312

#LearnwithBrainly

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3 years ago

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slavikrds [6]

Answer:

Step-by-step explanation:

An irrational number is a number that cannot be expressed as a fraction for any integers and. . Irrational numbers have decimal expansions that neither terminate nor become periodic

6 0

2 years ago

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Dahasolnce [82]

Step-by-step explanation:

The area, A, in square yards, of a rectangular garden, is given by the function.

$A(x)=-2x^2+30x$

We know that, the area of the rectangle is given by :

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Hence, this is the required solution.

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2 years ago