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VMariaS [17]
1 year ago
15

Select all the correct answers. Which sequences of transformations applied to shape I prove that shape I is similar to shape II?

a translation 12 units right and 5 units up, and then a dilation by a scale factor of 2 a reflection across the x-axis and then across the y-axis, and then a dilation by a scale factor of 2 a 180° counterclockwise rotation about the origin, and then a dilation by a scale factor of 2 a reflection across the y-axis, and then a dilation by a scale factor of 2 a reflection across the x-axis, and then a dilation by a scale factor of 2

Mathematics
2 answers:
luda_lava [24]1 year ago
8 0

Answer:

2nd and 3rd

Step-by-step explanation:

MrRissso [65]1 year ago
4 0

Answer:

I think your answer is b and c if not right sorry

Step-by-step explanation:

Hopefully this helps

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Ray Np is an angle bisector of angle MNQ and measure of Angle PNQ = 2x+1. Find the measure of angle MNQ. If The measure of MNQ=x
Step2247 [10]
Refer to the diagram below.

Because ray NP bisects ∠MNQ, therefore
∠MNP = ∠PNQ = 2x + 1.
Therefore
∠MNQ = 2*∠PNQ = 2(2x + 1) = 4x + 2.

Because ∠MNQ is given as x² - 10, therefore
x² - 10 = 4x + 2
x² - 4x - 12 = 0
(x + 2 )(x - 6) = 0
x = -2, or x = 6

When x = -2, 
∠MNQ = 4*(-2) + 2 = -6°
This answer is not acceptablle, therefore x = -2 should be rejected.

When x = 6,
∠MNQ = 4*6 + 2 = 26°

Answer: x = 6, and ∠MNQ = 26°

7 0
2 years ago
A group of campers is going to occupy 3 campsites at a campground. There are 17 campsites from which to choose. In how many ways
Alexeev081 [22]

Answer:

Campsites be chosen in 680 ways.

Step-by-step explanation:

Given:

Number of  campsites= 17

Number of campsites that are to be occupied=3

To Find:

Number of ways can the campsites be chosen=?

Solution:

Combination:

In mathematics, a combination is a way of selecting items from a collection where the order of selection does not matter. Suppose we have a set of three numbers P, Q and R. Then in how many ways we can select two numbers from each set, is defined by combination.

nCr = n(n - 1)(n - 2) ... (n - r + 1)/r! = n! / r!(n - r)!

No of ways in which campsites can be chosen= \frac{17!}{3!(17-3)!}17C3

=>\frac{17!}{3!(14!)}

=>\frac{15\times16\times17}{3\times 2\times 1}

=>\frac{4080}{6}

=>680

5 0
1 year ago
Mabel scored 19 points more on her pre-algebra test than nancy .pheobe scored 10 points less on her pre algebra test than nancy
Neporo4naja [7]
So M=Mabels score
N=Nancys score
P=Phoebes score
M=N+19
P=N-10
p=23 Therefore Nancys Score is 33
Mabel scored 19 more points on her test than Nancy did.
So therefore add N+M = 52
3 0
2 years ago
Alison used a coordinate grid to show where the trees are in her backyard. She wants to put a birdbath exactly halfway between t
Degger [83]

Answer:(5,4)

Step-by-step explanation:

3 0
2 years ago
A barrier in the shape of a rectangle is used to retain oil spills. On a blueprint, a similar barrier is 9 inches long and 2 inc
drek231 [11]

Width of the actual barrier = 1.2 miles

Width of the barrier in the blueprint = 2 inches

2 inch dimension of blueprint = 1.2 miles of original

So, 1 inch dimension of blueprint = 1.2/2 = 0.6 miles.

Since the length of the barrier in the blueprint = 9 inches,

length of the actual barrier = 9(0.6) = 5.4 miles.

5 0
2 years ago
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