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4 years ago

Find the PERCENT of Change. The original cost was $50 and the new cost is $60.

Mathematics

2 answers:

Hitman42 [59]4 years ago

5 0

Answer:

20% Increase

Step-by-step explanation:

[(New Value – Old Value)/Old Value] x 100 = Answer

[($60-$50)/$50]x100=20%

Ray Of Light [21]4 years ago

5 0

Step-by-step explanation:

increase amount = $60 inital amount = $50 percent=? we know percent = increase amount/inital amount ×100% g 60÷50×100 =120%

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3 years ago

For which value of theta is sin theta equals -1?

Olin [163]

Answer:

The value of Ф is 3π/2

Step-by-step explanation:

* Lets revise the angle Ф in the four quadrant

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∴ x² + y² = r²

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∴ x² + y² = 1

∵ cos² Ф + sin² Ф = 1

∵ x is the adjacent side to Ф and y is the opposite side to Ф

∴ x = cos Ф and y = sin Ф

- At point (1 , 0)

∵ x = 1 , y = 0

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- At point (0 , 1)

∵ x = 0 , y = 1

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- At point (-1 , 0)

∵ x = -1 , y = 0

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∵ The negative part of x-axis represents the angle π

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6 0

4 years ago

Read 2 more answers

What is 50,000 times 10 to the 15th

Misha Larkins [42]

Remember property of exponents
$(x^m)(x^n)=x^{m+n}$
add exponents of same base

ok so

50,000 is 5 times 10^4

so

50000 times 10^15=
5 times 10^4 times 10^15=
5 times $10^{4+15}$ =
5 times 10^19

8 0

3 years ago

Find the lest number which is exactly divisible by 36 & 90 Maths

prisoha [69]

Answer:

Step-by-step explanation:

You need to find the HCF of 36 and 90.

Prime factors of each:

36 = 2*2*3*3
90 = 2*3*3*5

HCF includes all prime factors of both numbers:

HCF(36, 90) = 2*2*3*3*5 = 180

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3 years ago

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docker41 [41]

Answer:

Step-by-step explanation:

The additive inverse property states that if we have a number a, then:

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3 years ago

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