2 years ago

At how many different lines of reflection can you reflect a square onto itself?

Mathematics

1 answer:

dmitriy555 [2]2 years ago

7 0

Answer:7

Step-by-step explanation:

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6(5 + 3x) is equivalent too

Artyom0805 [142]

Answer:

30+18 x

Step-by-step explanation:

5 0

2 years ago

Two last help with math please and thanks!

12345 [234]

1st problem:
Use the Pythagorean theorem:
a^2+b^2=c^2
49+361=c^2
c^2=410
c=20.24
The answer is 20m

2nd problem:
First calculate the height using the Pythagorean theorem:
a^2+b^2=c^2
20^2+b^2=625 (i got 20 {radius} by half-ing the base edge length)
400+b^2=625
b^2=225
b=15

Next, solve for the volume:
V=a^2*h/3
V=40^2*15/3
V=1600*5
V=8000

The answer is the second choice or B.

5 0

3 years ago

Read 2 more answers

Danny made a mistake in the following problem.

mixas84 [53]

Line 3
since he added which is against the order of opreation rule he was supposed to multiply first then add
again what he was supposed to do is
Line 2:21+5+6(2)
Line 3:21+5+12

7 0

2 years ago

The square root 30 lie between what two numbers

Debora [2.8K]

The square root of thirty lies between the numbers 5 and 6.

8 0

2 years ago

What is 1430÷75 in fraction form

Vedmedyk [2.9K]

If you want just 1430/75 in fraction form then:

$1430/75 = \frac{286}{15}$ after you divide it by 5.

If you want the divided number in fraction form then:

$1430/75 = 19.066... = 19 + \frac{1}{15} = \frac{286}{15}$

both give the same answer so it doesn't matter.

8 0

2 years ago

Read 2 more answers