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vekshin1
2 years ago
10

11. Find the area of shaded part. 19 yd - 5 yd 16 yd

Mathematics
1 answer:
worty [1.4K]2 years ago
8 0

Answer:

73.46 yds ^2

Step-by-step explanation:

triangle = 1/2bh = 1/2(19)(16) = 152

circle= πr^2

π(5)^2 = 25π = 78.54

152 -78.54= 73.46

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Dennis_Churaev [7]
The value of 5 is 10 because it is in the tens place. If you draw a place value chart it shows that 5 is in the tens place. You could also draw it with 5 blocks with ten cubes.

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3 years ago
Read 2 more answers
Evaluate 9 √9.<br><br> A <br> 27<br><br> B <br> √27<br><br> C <br> 81<br><br> D <br> 243
rosijanka [135]

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Step-by-step explanation:

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Express the fraction as a percent. Round to the nearest tenth of a percent if necessary. 31/50
Dominik [7]

Answer: 62%

Step-by-step explanation:

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I hope you understand.

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5 0
2 years ago
7.2<br> 8.3<br> 152 in^3<br> What is the correct answer
san4es73 [151]

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8 0
2 years ago
A student multiplies (4+5i) (3-2i) incorrectly and obtains 12-10i what is the students mistakes
Rufina [12.5K]

Answer:

1. In the multiplication of the imaginary parts, the student forgot to square of i. OR

2. The student has only multiplied the real parts and the imaginary parts.

Correct value =22+7i.

Step-by-step explanation:

The given expression is

(4+5i)(3-2i)

A student multiplies (4+5i) (3-2i) incorrectly and obtains 12-10i.

Student's mistake can be either 1 or second:

1. In the multiplication of the imaginary parts, the student forgot to square of i.

2. The student has only multiplied the real parts and the imaginary parts.

(4+5i)(3-2i)=4\times 3+5\times (-2)i=12-10i

Which is not correct. The correct steps are shown below.

Using distributive property, we get

4(3-2i)+5i(3-2i)

4(3)+4(-2i)+5i(3)+5i(-2i)

12-8i+15i-10i^2

12+7i-10(-1)       [\because i^2=-1]

12+7i+10

22+7i

Therefore, the correct value of (4+5i)(3-2i) is 22+7i.

4 0
2 years ago
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