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3 years ago

What is the point-slope form of the equation of a line that passes through the point (1, 4) and has a slope of −3?

1 answer:

3 0

So y=mx+b
m=slope

y=-3x+b
subsitutue 1 for x and 4 for y
4=-3(1)+b
4=-3+b
add 3 to both sides
7=b

the equaiton is y=-3x+7

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Veseljchak [2.6K]

I believe that the correct answer would be A

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4 0

3 years ago

Find COS Instructions: Find the value of the trigonometric ratio. Make sure to simplify the If needed

Paraphin [41]

Answer:

Sin A = 15 / 17

Step-by-step explanation:

Given a right angled triangle, we are to obtain the Sin of the angle A ;

Using trigonometry, the sin of the angle A, Sin A is the ratio of the angle opposite A to the hypotenus of the right angle triangle.

Hence. Sin A = opposite / hypotenus

Opposite = 15 ; hypotenus = 17

Sin A = 15 / 17

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3 years ago

Imani earned $24 in interest after four years on an account that paid 6% simple interest annually. Use the formula 1 - Prt to fi

ZanzabumX [31]

Answer:

$5.76

Step-by-step explanation:

Prinkpal balance = $24^4^6% =5.76

5 0

3 years ago

.John has $40. He will use some of the money to buy books, and he wants to have at least $10 left to put in his savings account.

Crank

Answer:

The required inequality is $40-6b\leq 10$ .

Jhon can buy at most 5 books.

Step-by-step explanation:

Consider the provided information.

Part(A)

Let b represent the number of books John buys.

He wants at least $10 in his savings account which means if we subtract the cost of books from $40 we have at least $10 left.

$40-6b\leq 10$

The required inequality is $40-6b\leq 10$ .

Part(B)

$40-6b\leq 10$

$-6b\leq 10-40$

$b \leq\frac{30}{6}$

$b\leq 5$

Part(C): Jhon can buy at most 5 books.

3 0

3 years ago

The "middle" term of a trinomial form of (3x+1)(x-4) is:

Zarrin [17]

Answer:

Expand the following expression

(3x+1)(x-4) = 3x^2-12x+x-4

middle term = -11x

3 0

2 years ago