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andrew11 [14]
3 years ago
14

Which of these figures has rotational symmetry

Mathematics
1 answer:
JulijaS [17]3 years ago
6 0

Answer:

D or C more than likely D

Step-by-step explanation:

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Using side lengths only, could the triangles be similar?
pshichka [43]

Answer:

No, StartFraction 0.5 Over 1 EndFraction not-equals StartFraction 1 Over 1.5 EndFraction not-equals StartFraction 1.5 Over 2 EndFraction.

ANSWER 1

Step-by-step explanation:

took the test..

4 0
3 years ago
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Which equation justifies why nine to the one third power equals the cube root of nine?
AVprozaik [17]

Answer:

nine to the one third power all raised to the third power equals nine raised to the one third times three power equals nine

Step-by-step explanation:

we know that

The <u><em>Power of a Power Property</em></u> , states that :To find a power of a power, multiply the exponents

so

(a^{b})^{c}=a^{b*c}

In this problem we have

9^{\frac{1}{3}} =\sqrt[3]{9}

Remember that

\sqrt[3]{9}=9^{\frac{1}{3}}

Raise to the third power

[9^{\frac{1}{3}}]^3

Applying the power of power property

9^{\frac{3}{3}}

9^{1}

9

therefore

nine to the one third power all raised to the third power equals nine raised to the one third times three power equals nine

8 0
3 years ago
Read 2 more answers
Need help with two word problems
dangina [55]

Answer:

E. 18 children are buying their lunches

F. Rock must pay $50 each month

Step-by-step explanation:

E.

To find a percentage you multiply the number by the percentage;

60 x 70%(0.70) = 42 children brought their lunches

But we need the amount <u>buying</u> their lunches so we would subtract 60 by 42;

60 - 42 = 18 buying their lunches

F.

Again, to find the percentage we multiply it by the original;

$800 x $25(0.25) = $200 Rock paid for the down payment on the sofa

Now we need to find how much Rock still needs to pay for the sofa;

$800 - $200 = $600 more needed to pay for the sofa

Lastly, we must find how much Rock will need to pay <u>each month</u> to pay the rest of the $600. There are 12 months in a year, so we divide that by the amount left;

$600 / 12 = $50 needs to be paid each month for a year

8 0
3 years ago
What’s the equation of the line that be that passes through (4,2) and is parallel to the line y=2x-1
podryga [215]

y=mx+b

because the y=2x-1, so m=2

because we know (4.2), so we can bring it in to the function:

2=2x4+b

2=8+b

b=-6

So the other one is: y=2x-6

in other way it's 2x-y=6

Which means the answer is B.

8 0
3 years ago
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Which of these points lies on the line described by the equation below y-4=-2(x-6)?​
Burka [1]

Answer: x=4

Step-by-step explanation:

3 0
3 years ago
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