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Afina-wow [57]
3 years ago
5

Which figure shows an example of symmetry? A. B. C. D.

Mathematics
2 answers:
Burka [1]3 years ago
7 0

Answer:

D

Step-by-step explanat:

lara [203]3 years ago
6 0

Answer:

<u>Option D</u>

Step-by-step explanation:

Option D has the only figure whose mirror image is the exact same; Option A, B and C are not symmetrical because their mirror image is different.

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What percent of 146 is 39​
marissa [1.9K]

Answer:

<em>39 is 26.71% of 146</em>

Step-by-step explanation:

Percentage solution with steps:

Step 1: We make the assumption that 146 is 100% since it is our output value.

Step 2: We next represent the value we seek with x.

Step 3: From step 1, it follows that 100% = 146.

Step 4: In the same vein, x% = 39.

Step 5: This gives us a pair of simple equations:

100% = 146(1).

x%=39(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS (left hand side) of both equations have the same unit (%); we have

100/x% = 146/39

Step 7: Taking the inverse (or reciprocal) of both sides yields

x% / 100% = 39/146    ⇒ x= 26.71%

Therefore, 39 is 26.71% of 146.

<em>hope it helps:)</em>

7 0
3 years ago
The diagram shows a right-angled triangle.
Karo-lina-s [1.5K]

Answer:

sorry j don't have my calculator but

sine of angle x°=opposite 6cm/9cm

byee

8 0
2 years ago
Read 2 more answers
A water tank is 3/4 full.
guapka [62]

x/.75=x-56/0.4

0.4x=.75x-42

-0.35x=-42

x=120

I set up a proportion in which x=the tank when it is 3/4 full. When the tank is 3/4 full, solving the proportion tells us the x=120 litres. 120/3=40, and 120+40 is 160, showing that a tank completely full would indeed hold 160 litres.

Hope this helps!

3 0
3 years ago
Can someone do #4 and #5
Hitman42 [59]

Answer:

First, find two points on the graph:

  • (x₁, y₁) = (0, 2)
  • (x₂, y₂) = (2, 8)

Slope = \frac{y_{2}-y_{1} }{x_{2}-x_{1}} = \frac{8-2}{2-0} =\frac{6}{2}=3

16 + (-3) = 16 - 3 = 13

8 0
3 years ago
What is the factored form of 4x2 + 12x + 5? A. (2x + 4)(2x + 3) B. (4x + 5)(x + 1) C. (2x + 1)(2x + 5) D. (4x + 1)(x + 5)
Ivanshal [37]
4x^2 + 12x + 5 =
(2x + 1)(2x + 5)
6 0
3 years ago
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