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Svetlanka [38]
2 years ago
9

What make two shapes similar

Mathematics
2 answers:
Mnenie [13.5K]2 years ago
8 0
Two shapes can be similar if
- all there angles are equal to each other
- two sides are in set ratio an the included angle is equal
- if a right angle is included, a hypotenuse is included and a side is in set ratio
madreJ [45]2 years ago
5 0

Answer:

Two figures that have the same shape are said to be similar. When two figures are similar, the ratios of the lengths of their corresponding sides are equal. To determine if the triangles below are similar, compare their corresponding sides

Step-by-step explanation:

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Find the length of JL<br> 15<br> None of the other answers are correct<br> 12<br> 3
r-ruslan [8.4K]

Answer:

D: 12

Step-by-step explanation:

The entire segment KI is composed of the segments KJ and JI. So:

KI=KJ+JI

We know that KI is 15.

KJ is (2x-15) and JI is (2x-6). Substitute:

15=(2x-15)+(2x-6)

Solve for x. Combine like terms:

15=4x-21

Add 21 to both sides:

4x=36

Hence, the value of x is:

x=9

We know that JI is 2x-6.

We will substitute 9 for x to find JI. So:

JI=2(9)-6=18-6=12

Hence, our answer is D.

3 0
3 years ago
The $199.99 game console Amy purchased was on sale for 10% off. How much did Amy pay?
Sonja [21]

Answer:

$179.99

Step-by-step explanation:

Take total cost and multiply by the percent in decimal form

$199.99*0.10

=$19.99

Subtract the 10% from the original sum

$199.99-$19.99

=$179.99

6 0
2 years ago
How can you express 1/4 as a percent?
olganol [36]

Answer:

if 4/4 is 100% then you can divide it by 2 to get 50% and it becomes 2/4 then divide by 2 again to get 1/4 or 25%

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The projected population of a certain ethnic​ group(in millions) can be approximated by ​p(t)equals=39.07 left parenthesis 1.021
user100 [1]

Answer:

  • a)  p(10) ≈ 48.10
  • b)  about 1.00 million/year

Step-by-step explanation:

a) Use t=10 in the given formula and do the arithmetic.

  39.07×1.021^10 ≈ 48.0951 ≈ 48.10 . . . millions

__

b) The derivative of p(t) is ...

  p'(t) = p(t)·ln(1.021) ≈ 0.8120·1.021^t

  p'(10) ≈ 0.99954 ≈ 1.00 . . . . millions per year

5 0
3 years ago
The perimeter of a rectangle is less than or equal to 50 inches. The length of the rectangle is 10 inches. What inequality repre
kupik [55]

Answer:

w ≤ 15

Step-by-step explanation:

A rectangle is shape with 4 sides where 2 pairs of sides are equal and form 4 perpendicular angles. 1 pair of sides is the width and is distance w. 1 pair of sides is the length and is 10 inches. The total distance around the shape is the perimeter. We know the perimeter is 50 inches or less. Add each side together and let it be less than or equal to 50. Then solve for w.

P ≥ l + l + w + w

50 ≥ 10 + 10 + w + w

50 ≥ 20 + 2w

30 ≥ 2w

15 ≥ w

4 0
2 years ago
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