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3 years ago

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What is the value of x?

1 answer:

REY [17]3 years ago

5 0

Answer:

The missing side has a length equal to $15\sqrt{3}$

Step-by-step explanation:

We need to find the length of the missing side on the right triangle. We were given the length of the hypotenuse, and the opposite cathetus, therefore we can use the sine relation. This is done below:

$sin60=\frac{x}{30}\\\frac{\sqrt{3}}{2}=\frac{x}{30}\\x=15\sqrt{3}$

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Angel's Door Dash order was $28.00.

grin007 [14]

Answer: 23.80

Step-by-step explanation:

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3 years ago

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Solve for the variable 7/28 = 25/?

ICE Princess25 [194]

Let x be the unknown number. The equation is going to be 7/28=25/x, now we cross multiply. 7*x=25*28, 7x=700, divide both sides by 7 and you should get 100, So, x=100 and 7/28=25/100

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3 years ago

The first term of an arithmetic sequence is equal to four and the common difference is three. find the formula for the value of

hichkok12 [17]

The formula for the value of nth term is $a_{n}$ = 3n + 1

Step-by-step explanation:

The formula of the nth term in the arithmetic sequence is

$a_{n}=a+(n-1)d$ , where

a is the first term of the sequence
d is the common difference between each two consecutive terms

∵ The first term of an arithmetic sequence is equal to four

∴ a = 4

∵ The common difference is equal to three

∴ d = 3

- Substitute these values in the rule of the nth term

∵ $a_{n}=a+(n-1)d$

∴ $a_{n}=4+(n-1)3$

- Simplify it

∴ $a_{n}=4+3n-3$

∴ $a_{n}=1+3n$

The formula for the value of nth term is $a_{n}$ = 3n + 1

Learn more:

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

#LearnwithBrainly

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3 years ago

Expression for "the sum of a and 4'

Masteriza [31]

Answer: a + 4
explanation: sum means what comes from two numbers being added. so you just need to add a and 4

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3 years ago

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Explain your answer !! <br> Have a nice day <br><br> Will give braisnlt

liubo4ka [24]

Answer:

$x=3$

$y=-4$

Step-by-step explanation:

$4x+5y=-8$ ----------- (1)

$-4x-4y=4$ -----------(2)

Adding equation (1) and (2)

$4x+5y-4x-4y=-8+4$

$y=-4$

Substitute y=-4 in equation (1) or (2)

$4x+5(-4)=-8$

$4x-20=-8\\4x=-8+20\\4x=12\\x=3$

8 0

3 years ago