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4 years ago

Can someone help me ASAP!!!?

Mathematics

1 answer:

Gekata [30.6K]4 years ago

3 0

Answer:

√x-x-2x³+√x+x

= 2√x-2x³

= -2x³+2√x

which is option A

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Marilyn knows that she needs $45,000 for a down payment on a house. She found an investment that earns 3.15% interest compoundin

laila [671]

She should save $38,450.39.

The formula for the amount of money in an interest-bearing account that is compounded is

$A=p(1+\frac{r}{n})^{nt}$

where A is the total amount in the account, p is the amount of principal invested, r is the interest rate as a decimal number, n is the number of times per year interest is compounded, and t is the number of years. Using our information we have:

$45000=p(1+\frac{0.0315}{12})^{12\times5}
\\
\\45000=p(1.002625)^{60}$

Divide both sides:
$\frac{45000}{1.002625^{60}}=\frac{p(1.002625)^{60}}{1.002625^{60}}
\\
\\38450.39=p$

5 0

3 years ago

3, 4, 5, 7, 9, 10, 2, 8<br><br> Mean__<br> Median__<br> Range__

Fudgin [204]

Answer:

Mean: 6

Median: 6

Range: 8

Step-by-step explanation:

Mean is found by adding up all the values in the set and dividing by the amount of numbers in the set (in this one there are 8) 2+3+4+5+7+8+9+10=48. 48 divided by 8 = 6.

Median is the number in the middle, when the numbers in the set are ordered from least to greatest. Since there are two middle numbers in this set we add them together and divide by 2. 5+7=12. 12 divided by 2 = 6.

Range is found by taking the largest number and subtracting the smallest number from it. 10-2=8.

5 0

3 years ago

Read 2 more answers

Paul, colin and brian are waiters.One night the restaurant earns tips totalling £78.40.

riadik2000 [5.3K]

Answer:

£39.20

Step-by-step explanation:

2+1+5=8

£78.40/8 = 9.8

9.8*5= 49

49-9.8= 39.2

5 0

3 years ago

What is the domain of the set of ordered pairs?

lilavasa [31]

Answer:

Step-, by-step explanation:

For any order pairs (x, y), x is an element of a Domain and y is an element of a Range.

For {(7, -3); (-4, 2); (-1, 0); (2, -4); (0, -6)}

the set {7; -4, -1, 2, 0} is a Domain.

5 0

4 years ago

What is the unknown fraction? <br><br>6/10 + ____ = 62/100

sergeinik [125]

The answer is 2/100 or 1/50!

6/10 is equivalent to 60/100.
62/100 - 60/100 = 2/100 = 1/50

So, 6/10 + 1/50 = 62/100
6/10 + 2/100 = 62/100

(Use 1/50 because that’s the simplified answer!)

I hope this made sense! Good luck!

4 0

3 years ago