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3 years ago

Please help me guys

Mathematics

1 answer:

Mariana [72]3 years ago

5 0

Answer:

Example 11 answer = 12

Step-by-step explanation:

40, 36, 32, 28

is an arithmetic sequence.

The first term (a) is 40

The common difference (d) is -4

The formula for finding the nth term ( $X_{n}$ in an arithmetic sequence is;

$X_{n}$ = a + d(n - 1)

$X_{8}$ = 40 + -4(8 - 1)

$X_{8}$ = 40 - 28 = 12

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In the equation above k is a constant if y = 2 when x= 5 what is the value of x when y= 5

Tresset [83]

The value f x when y= 5 is 2

<h3>Variations </h3>

Let the given equation be y = k/x

where k is the constant

if y = 2 when x= 5, then;

k = xy

k= 2(5)

k = 10

In order to determine the value of x when y = 5

x = k/y

x = 10/5

x = 2

Hence the value f x when y= 5 is 2

Learn more on variation here: brainly.com/question/6499629

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2 years ago

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masha68 [24]

Answer:

3.0307176e+21

Step-by-step explanation:

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3 years ago

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Blababa [14]

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3 years ago

Find the discriminant and determine how many solutions the equation has and if they are imaginary or real. Please show all work.

MrRa [10]

Answer:

as discriminant = 9, it has two real solutions.

Step-by-step explanation:

for eqn ax^2 + bx + c, discriminant = b^2 - 4ac

y = 4x^2 - 5x + 1

discriminant = (-5)^2 - 4(4)(1)

= 25 - 16

= 9

as discriminant > 0, it has two real solutions.

4 0

3 years ago

Read 2 more answers

In each figure below find m∠1 and m∠2, if a||b. Show your work with statements.

quester [9]

ANSWER

$m < \: 1 = 80 \degree$

$m < \: 2= 70 \degree$

EXPLANATION

Since

$a || b$
line s and t are both transversals.

This implies that,

$m < \: 1 \: and \: 80 \degree$

are alternate angles.

Alternate angles are equal. Therefore,

$m < \: 1 = 80 \degree$

Also,

$m < \: 2= 70 \degree$

because corresponding angles are equal.

6 0

3 years ago

Please help me guys ​

Please help me guys