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Ede4ka [16]
3 years ago
7

1) Which shows 5/90 in decimal form?

Mathematics
2 answers:
docker41 [41]3 years ago
7 0
1) answer is <span>D 0.0555...
2 answer is </span><span>B -0.535</span>
prohojiy [21]3 years ago
4 0
D, and if you have a repeating decimal, just put a line over the 2 numbers after the decimal. B, because on the calculator can't put a negitive sign, so I would use a online calculator for negitives. Hoped this helped you!
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Find the sale price to the nearest cent.<br><br> $4.30 makeup; 40% discount; 6% tax
katrin [286]

Answer:

Sale price is $2.58.

Paid with tax is $2.73

Step-by-step explanation:

If the make-up is originally $4.30 and you receive a 40% discount. This means you'll pay 60% of the price since 100-40=60.

To find this price, 60% as 0.6 is multplied with the price. 0.6*4.30 = $2.58

This is the sale price.

When you pay you will pay 6% tax or 0.06 of the price. Find this by multiplying $2.58 by 1.06.

2.58(1.06) = $2.73

7 0
3 years ago
An infinite population has a mean of 40 and a standard deviation of 15. a sample of size 100 is taken at random from this popula
Fantom [35]
I dont know the answer sorry
3 0
3 years ago
Verify sin^4x − sin^2x = cos^4x − cos^2x is an identity
Inga [223]

Answer:

<h2>It's an identity</h2>

Step-by-step explanation:

\sin^4x-\sin^2x=\cos^4x-\cos^2x\\\\L_s=\sin^4x-\sin^2x=\sin^2x(\sin^2x-1)=\sin^2x(-\cos^2x)=-\sin^2x\cos^2x\\\\R_s=\cos^4x-\cos^2x=\cos^2x(\cos^2x-1)=\cos^2x(-\sin^2x)=-\sin^2x\cos^2x\\\\L_s=R_s\qquad\bold{CORRECT}

\text{Used:}\\\\\sin^2x+\cos^2x=1\Rightarrow\left\{\begin{array}{ccc}\cos^2x=1-\sin^2x\\\sin^2x=1-\cos^2x\end{array}\right\Rightarrow\left\{\begin{array}{ccc}-\cos^2x=\sin^2x-1\\-\sin^2x=\cos^2x-1\end{array}\right

4 0
3 years ago
Read 2 more answers
400 A whole number a integer a real number or rational number
bearhunter [10]

Answer:

All of the above

Step-by-step explanation:

A whole number and integers are numbers that don't have decimals.

A rational number is a number that can be written as a fraction

A real number is any number that is not complex, which means that it has an imaginary solution or imaginary number part of it.

7 0
3 years ago
The Science Club has 24 members, 20 girls and 4 boys. What is the ratio of girls to boys in the Science Club?
alekssr [168]

Answer:

5:1

Step-by-step explanation:

You divide both to find a common multiple which in this case is 5

20:4 ----> (20÷4):(4×5) ----> 5:1

Hope that explains it :)

6 0
4 years ago
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