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Bumek [7]
3 years ago
9

Match each shape with its corresponding formula for area.

Mathematics
1 answer:
kari74 [83]3 years ago
8 0

Answer:

1- line of symmetry

2- line symmetry

3- rotational symmetry

Step-by-step explanation:

im pretty sure because i just did this unit :]

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Hei has $1,500 in a retirement account earning 4% interest compounded annually. Each year after the first, she makes additional
Liono4ka [1.6K]

Answer:

$150,000

Step-by-step explanation:

so its about rounding to the nearest if you round $1,500 you will get $150,000

Hope this helps! (And I'm not wrong...)

8 0
3 years ago
− 50 67 ​ +1.5−100%
Alex73 [517]

Answer:

<em>Hello, I think the answer is -0.84 Hope That Helps!</em>

8 0
4 years ago
Read 2 more answers
The diagonal of a square is 27 cm long. The diagonal of a smaller square is 12 cm long. What is the difference between the lengt
kykrilka [37]

length of big square

\sqrt{27}  = 5.2

length of small square

\sqrt{12 }  = 3.5

difference between length of two square

=5.2-3.5

=1.7

7 0
3 years ago
The diameter of a human hair is 9 \cdot 10^{-5}9?10 ?5 9, dot, 10, start superscript, minus, 5, end superscript meters. The diam
pishuonlain [190]

Answer:

 8.7 \times 10^{-5}

Step-by-step explanation:

Given that the diameter of a human hair

Given that the diameter of a spider's silk

Now we have to find how much greater is the diameter of a human hair than the diameter of a spider's silk. To find that we just need to subtract the given numbers. Since powers are not same so let's make them equal now we can easily subtract the coefficients that is 3 from 9  = (90-3) \times 10^{-6}

= 87 \times 10^{-6}

= 8.7 \times 10^{-5}

8 0
4 years ago
MATH PROBLEM!! PLEASE HELP!! <br>Explain your answer please
love history [14]
<h3>Answer:  angle B = 47 degrees</h3>

========================================

Work Shown:

Use law of cosines to find angle B

b^2 = a^2 + c^2 - 2*a*c*cos(B)

9^2 = 6^2 + 12^2 - 2*6*12*cos(B)

81 = 36 + 144 - 144*cos(B)

81 = 180 - 144*cos(B)

81 - 180  = -144*cos(B)

-99  = -144*cos(B)

-144*cos(B) = -99

cos(B) = (-99)/(-144)

cos(B) = 0.6875

B = arccos(0.6875)

B = 46.5674634422102

B = 47 when rounding to the nearest whole number

Make sure your calculator is in degree mode.

arccos is the same as inverse cosine often labeled \cos^{-1} on calculators.

5 0
3 years ago
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