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lora16 [44]
3 years ago
7

The scale factor that quadruples the the size of a figure is

Mathematics
2 answers:
timurjin [86]3 years ago
8 0

Answer:

<h2>The size of the figure will be quadruple too.</h2>

Step-by-step explanation:

A scale factor refer to a number which can be a fraction, a whole number or even decimal, which increases or decreases certaing figure.

For example, if we say that a figure has a scale factor of 2, that means the figure will increase double.

Now, in this case, we have a scale factor that quadruples the figure, which means it's being multiplied by 4, because the scale factor is 4.

Therefore, the size of the figure will be quadruple too.

Paraphin [41]3 years ago
6 0
Quadruple means 4 so 4 is your answer.
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Triangle PQR where P(1,4), Q(-3,-4),R(7,k) is right-angled at Q. find the value of k
NikAS [45]

Answer:

k = -9.

Step-by-step explanation:

As the triangle is right-angled at Q, by Pythagoras:

PR^2 = PQ^2 + RQ^2

So, substituting the given data and using the distance formula between 2 points:

(7 - 1)^2 + (k - 4)^2 =  (-4-4)^2 + (-3-1)^2 + (7 - (-3))^2 + (k - (-4))^2

36 + (k - 4)^2 = 64 + 16 + 100 + ( k + 4)^2

(k - 4)^2 - (k + 4)^2 = 180 - 36

k^2 - 8k + 16 - (k^2 + 8k + 16) = 144

-16k = 144

k = -9.

8 0
3 years ago
Read 2 more answers
Which is the correct spelling of trigonometry
PSYCHO15rus [73]

Answer:

trigonometry

Step-by-step explanation:

hope this helps lovely

7 0
3 years ago
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Write an exponential function in the form y=ab^x that goes through points (0,7) and (5,1701).
Marizza181 [45]

Answer:

y = 7 3^{x}

Step-by-step explanation:

Use the given ordered pairs to find a and b

Using (0, 7 ), then

7 = a b^{0} ( b^{0} = 1 ), thus

a = 7

y = 7 b^{x}

Using (5, 1701 )

1701 = 7 b^{5} ( divide both sides by 7 )

243 = b^{5} ( take the fifth root of both sides )

b = \sqrt[5]{243} = 3 , thus

y = 7 3^{x}

3 0
3 years ago
Pls help explain if u can
Whitepunk [10]

Answer:

A dilation (similarity transformation) is a transformation that changes the size of a figure. It requires a center point and a scale factor , k . The value of k determines whether the dilation is an enlargement or a reduction.

In simple words, it's stretching, when you dilate with scale factor of x, means you multiply the previous value with x, say co-ordinates area -2,4, so you do (-2x,4x) to find the co-ordinates after dialation,

Here the scale factor is 3, so the new co-ordinates are,

(-2×3, 4×3) which is A' (-6, 12)

similarly,

B' (12, -3)

C' (-3, -6)

Answered by GAUTHMATH

5 0
3 years ago
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In a race, there are 20 runners. Trophies for the race are awarded to the runners finishing in first and second place. In how ma
andrew11 [14]

Answer:

<u>There are 380 ways that 1st and 2nd place can be determined in the race</u>

Step-by-step explanation:

There are 20 possibilities for determine the 1st place

There are 19 possibilities for determine the 2nd place

Number of ways that 1st and 2nd place can be determined = 20 * 19

Number of ways that 1st and 2nd place can be determined = 380

7 0
3 years ago
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