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Grace [21]
3 years ago
11

A(-1,2) B(3,1) C(1,-4) To the new coordinated A'(-2,4) B'(6,2) C'(2,-8) what was the scale factor?

Mathematics
1 answer:
kicyunya [14]3 years ago
6 0

Answer:

Step-by-step explanation:

A(-1, 2)  ==> A'(-2, 4)

B(3,1) ==> B'(6,2)

C(1,-4) ==> C'(2,-8)

Based on the results of each set, the scale factor is 2

A(-1*2, 2*2)=  A'(-2, 4)

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Pam is placing a bird feeder in a tree in her back yard. She first needs to put up a 10-inch wooden platform in the fork of two
saul85 [17]

Answer:

x = \frac{10}{\tan(52^o)}

Step-by-step explanation:

Given

See attachment for illustration

Required

Equation to find x

The relationship between angle 52^o and side lengths x and 10 inches is by tangent formula which is given by:

\tan(\theta) = \frac{Opposite}{Adjacent}

So, we have:

\tan(52^o) = \frac{10}{x}

Make x the subject

x = \frac{10}{\tan(52^o)}

4 0
3 years ago
Is y=5x + 10 proportional
Romashka [77]

Answer:

yes (also the c.o.p would be 5)

Step-by-step explanation:

if you model this on a graph, it comes out proportional because its starts from the origin, and its a straight line with no curves.

5 0
3 years ago
Help me, please
BigorU [14]

Answer:

41.6

Step-by-step explanation:

The area is measurement of the surface of a shape. To find the area of a rectangle or a square you need to multiply the length and the width of a rectangle or a square. Area, A, is x times y.

8 0
3 years ago
Read 2 more answers
Find the x-intercept of the graph of each equation <br>a. 3x+2y=7. <br><br>b. 2x+3y=7
Burka [1]
Hello!

The x intercept is when the y value is 0

Put 0 in for y to get the x-intercepts
------------------------------------------------------------------------------------------------------
Part A

3x + 2y = 7

Put 0 in for y

3x + 2(0) = 7

Simplify

3x = 7

Divide both sides by 3

x = 2.333...

The x-intercept is at the point (2.333, 0)
------------------------------------------------------------------------------------------------------
Part B

2x + 3y = 7

Put 0 in for y

2x + 3(0) = 7

Simplify

2x = 7

Divide both sides by 2

x = 3.5

The x-intercept is at the point (3.5, 0)
------------------------------------------------------------------------------------------------------
Hope this helps!
3 0
3 years ago
What is the missing number? 2.1 + (–3.4 + 5) = [ + (–3.4)] + 5
Kamila [148]

2.1 + (–3.4 + 5) = [ + (–3.4)] + 5 = false

2.1 + (–3.4 + 5) = 3.7

[ + (–3.4)] + 5 = 1.4

Thus your answer is 2.1


8 0
3 years ago
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