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3 years ago

B) 66 060 Ce nombre est divisible par

Mathematics

1 answer:

Greeley [361]3 years ago

8 0

6 + 6 + 0 + 6 + 0 = 18

18 donc oui par 3 et par 9!

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What is the vertex of the absolute value function below?

Nonamiya [84]

Answer:

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3 years ago

Calculate 10% of 80. show work

Setler [38]

Answer:

Step-by-step explanation:

Solution for What is 10 percent of 80:

10 percent * 80 =

( 10:100)* 80 =

( 10* 80):100 =

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3 years ago

The cost of admission to a popular music concert was 162 dollars for 12 children and 3 adults.The admission was 122 dollars for

pogonyaev

Answer: the cost of admission for each child is $10

the cost of admission for each adult is $14

Step-by-step explanation:

Let x represent the cost of admission for each child.

Let y represent the cost of admission for each adult.

The cost of admission to a popular music concert was 162 dollars for 12 children and 3 adults. This is expressed as

12x + 3y = 162- - - - - - - - - - - - -1

The admission was 122 dollars for 8 children and 3 adults in another music concert. This is expressed as

8x + 3y = 122- - - - - - - - - - - - -2

Subtracting equation 2 from equation 1, it becomes

4x = 40

x = 40/4

x = 10

Substituting x = 10 into equation 1, it becomes

12 × 10 + 3y = 162

120 + 3y = 162

3y = 162 - 120

3y = 42

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7 0

3 years ago

PLEASE HELP ASAP!!!!!

Wittaler [7]

Answer:

$sec(x)$

Step-by-step explanation:

$cos(x)+cos(x)tan^2(x)$

Multiply cos(x) by 1:

$cos(x)*1+cos(x)tan^2(x)$

Factor out cos(x):

$cos(x)(tan^2(x)+1)$

Apply the pythagorean identity ( $tan^2(x)+1=sec^2(x)$ ):

$cos(x)sec^2(x)$

Rewrite $sec^2(x)$ :

$cos(x)(\frac{1}{cos(x)})^2 \\cos(x)\frac{1}{cos^2(x)}$

Cancel cos(x):

$\frac{1}{cos(x)}$

Rewrite:

$sec(x)$

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4 years ago

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Nonamiya [84]

12 percent is the error.

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4 years ago