2 years ago

23.6-2×3÷2 what is the answer to this question

Mathematics

1 answer:

lys-0071 [83]2 years ago

8 0

Answer:

20. 3

Step-by-step explanation:

23.6 - 2 × 3 ÷ 2 = 23.6 - 3

= 20.3

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5. Find the surface area of the cone. Round to the nearest hundredth. 2 ft 6 ft

den301095 [7]

Answer:

$52.3m^2$

Step-by-step explanation:

Use these formulas

$A=\pi rl+\pi r^2\\l=\sqrt{r^2+h^2}$

Now solve

$A=\pi r(r+\sqrt{h^2+r^2} )\\=\pi *2*(2\sqrt{6^2+2^2} )\\=52.3m^2$

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2 years ago

5 The area of a rectangular lawn is 255 m². If its length is 15 m, find its perimeter.

Marina CMI [18]

Area of a rectangular lawn = l×b

255=15×x

Hence the breadth is 17 m

Hence perimeter =2(l+b)=2(15+17)=64

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2 years ago

What is the union sets M= (1,7,10,11,15) and N=(5,15)?

katen-ka-za [31]

Answer: (1,5,7,10,11,15)

To get the union of two sets of numbers, all you do is combine the numbers from least to greatest. If a number repeats in the 2 sets, you only put it once.

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2 years ago

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What is the 214 term in the sequence 7,10,13,16?

mixer [17]

We can figure this out using the explicit formula.

$f(n)=f(1)+d(n-1)$

n represents the term we are looking for.
f(1) represents the first term in the sequence, which in this case, is 7.
d represents the common difference, which in this case, is +3.

f(n) = 7 + 3(n - 1)
f(n) = 7 + 3n - 3
f(n) = 4 + 3n

Now, we can input 214 for n and solve.

f(214) = 4 + 3(214)
f(214) = 4 + 642
f(214) = 646

The 214th term in this sequence is 646.

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3 years ago

Round 3,567 to the nearest ten

WINSTONCH [101]

Answer:3,570

Step-by-step explanation: The 7 is over 5 so u know, 5 or more up the score. 4 percent or less let it rest.

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2 years ago

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