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Sedaia [141]
2 years ago
13

It takes 3 pieces of wood to make a bird house. Marina has 21 pleces of wood. She uses this problem to find out how many bird ho

uses she can
make.
21 +3
Which other problem could Marina use to find the number of bird houses she can make
Mathematics
2 answers:
xxMikexx [17]2 years ago
7 0

She can find out answer by dividing 21÷3 and the answer is 7

She can make 7 bird house

krok68 [10]2 years ago
3 0

7 is the answer of the question

21÷ 3

=7

Step-by-step explanation:

hope it is helpful to you

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What is the equation of the line that passes through the point (4, 3) and is perpendicular to the line x + y = 4?
zimovet [89]
ANSWER

y - x = - 1

EXPLANATION

The required equation passes through:

(4,3) and is perpendicular to x+y=4.

Rewrite the given equation in slope-intercept form:

y = - x + 4

The slope of this line is -1.

The slope of the required line is perpendicular to this line, so we find the negative reciprocal of this slope.

m= - \frac{1}{ - 1} = 1

The equation of the line can be found using:

y - y_1 = m(x - x_1)

We substitute the slope and point to obtain:

y - 3 = 1(x - 4)

We simplify to get:

y - 3 = x - 4

y - x = - 4 + 3

The required equation is

y - x = - 1
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Answer:

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Step-by-step explanation:

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