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UkoKoshka [18]
3 years ago
14

Colin was thinking of a number. Colin divides by 11 then adds 3 to get an answer of 15. Form

Mathematics
1 answer:
nadezda [96]3 years ago
3 0

Answer:

X/11 +3 = 15

Step-by-step explanation: Just work backwards if you need to solve for x. 15-3 is 12. 12 times 11 is 132.

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Q. If A is a square matrix such that A² = A, then write the value of 7 A −(I + A)³, where I is an identity matrix.​
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Answer:

7A−(I + A)³

=7A−(1³ + A³ +3.I.A² +3.1².A)

=7A−(I+ A².A+3A² +34)

= 7A-(I+A.A+3A+34) (*: A² = A)

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= 7A-(I+A+64)

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What is Expression for five less than the product of ten and five
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Answer: X = (10x5)-5

Step-by-step explanation:

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5,920 rounded to the nearest thousand
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Pls can someone help me with math pls I’m this is my last points..
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Answer:

Please read all of this! Underlined things are the answers. The area of the entire circle is 19.625

Step-by-step explanation:

(This is a circle so the middle line is the diameter. According to the attachment, the diameter is 5 cm. To find the area, we have to multiply π and the radius squared. The radius is half of the diameter.

5 ÷ 2 = 2.5

2.5² = 6.25

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Ignore the top I just realized what I'm supposed to do but I left it there just in case you need help!

<u>The right and left shaded regions areas are 6.28 each.</u>

4 ÷ 2 = 2

2² = 4

3.14 x 4 = 12.56

Since this is a semi circle, we cut it in half.

12.56 ÷ 2 = 6.28

To find the top and bottom shaded region's areas, repeat the same steps.

3 ÷ 2 = 1.5

1.5² = 2.25

3.14 x 2.25 = 7.065

7.065 ÷ 2 = 3.5325

<u>The areas of the the top and bottom shaded regions are 3.5325 each.</u>

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