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3 years ago

80.08 in expanded form

Mathematics

1 answer:

puteri [66]3 years ago

6 0

Answer:

Step-by-step explanation:

80.08 = (8 * 101) + (8 * 1/102)

80.08 = (8 * 10) + (8 * 1/100)

80.08 = 80 + 8/100

80.08 = 80 + 0.08

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Margie is practicing for an upcoming tennis tournament. Her first serve is good 20 out of 30 times on average. Margie wants to k

mojhsa [17]

Answer:

0.6804

Step-by-step explanation:

Given that Margie is practicing for an upcoming tennis tournament. Her first serve is good 20 out of 30 times on average.

Since each trial is independent and there are two outcomes, X no of good serves is binomial with n=6 and p =2/3

Required probability

= Prob that atleast four of 6 times good serve

= $P(X\geq 4)$

= $P(x=4,5 or 6)\\=1-F(3)\\=0.6804$

Formula used:

P(X=r) = $6Cr (\frac{2}{3}^r )(\frac{1}{3}^{6-r} )$

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3 years ago

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Debra plans to invest $2,250 for 10 years. She can invest in a savings account that pays 4% simple intrest or a savings account

Diano4ka-milaya [45]

Answer:

$\$180.55$

Step-by-step explanation:

step 1

Simple interest

we know that

The simple interest formula is equal to

$A=P(1+rt)$

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest

t is Number of Time Periods

in this problem we have

$t=10\ years\\ P=\$2,250\\r=4\%=4/100=0.04$

substitute in the formula above

$A=2,250(1+0.04*10)$

$A=2,250(1.4)$

$A=\$3,150$

step 2

Interest compounded annually

we know that

The compound interest formula is equal to

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

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest in decimal

t is Number of Time Periods

n is the number of times interest is compounded per year

in this problem we have

$t=10\ years\\ P=\$2,250\\r=4\%=4/100=0.04\\n=1$

substitute in the formula above

$A=2,250(1+\frac{0.04}{1})^{1*10}$

$A=2,250(1.04)^{10}$

$A=\$3,330.55$

step 3

Find the differences between the two final amounts

$A=\$3,330.55-\$3,150=\$180.55$

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3 years ago

15* Que Equations of lins - Part

Phantasy [73]

There is not a given equation nor ordered pair, so it is impossible to answer this question. I apologise.

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3 years ago

Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it.

fredd [130]

Answer:

A. no

Step-by-step explanation:

I hope it help............

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2 years ago

Eddie's fishing. He has 1 1/4 ounces of weights on his line, but his bait isn't getting to the bottom of the lake. Eddie add ano

mario62 [17]

The initial weight is given by:
$1 \frac{1}{4} = 1.25
$
Then, we add a second weight:
$\frac{1}{2} = 0.5
$
Finally, we add a third weight:
$\frac{3}{4} = 0.75
$
Adding the three added weights, we can find the total weight.
We have then:
$1.25 + 0.5 + 0.75 = 2.5
$
The total weight is:
$2.5 = 2 \frac{1}{2} 
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Answer:
eddie now has $2 \frac{1}{2}$ ounces on his line

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3 years ago

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