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xxMikexx [17]
4 years ago
8

Louis was saving money to purchase a remote-controlled model airplane. The plane cost $48. His grandfather gave him $6 and his m

other gave him an allowance of $5 per week. If he saved all of his money, he would have 6+5x dollars after x weeks. How much money would Louis have after 8 weeks, and would it be enough?
Mathematics
2 answers:
Ira Lisetskai [31]4 years ago
3 0

Answer:

yes louis would have enough money

Step-by-step explanation:

madreJ [45]4 years ago
3 0

Answer:

$ 46 and it's not enough

Step-by-step explanation:

6 + 5x

x = weeks

so after 8 weeks, his money should be

6 + 5(8) = 6 + 40 = $ 46

Not enough for buying RC model airplane

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Divide x to the 1 half power divided by x to the 2 sevenths power.
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Remember some basic rules
\frac{x^m}{x^n}=x^{m-n}
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x^ \frac{m}{n}= \sqrt[n]{x^m}


so
\frac{x^\frac{1}{2}}{x^\frac{2}{7}}=x^{\frac{1}{2}-\frac{2}{7}}
1/2-2/7=
7/14-4/14=
3/14

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x^ \frac{3}{14}= \sqrt[14]{x^3}
4 0
3 years ago
April invested in a lifetime annuity that begins payments at age 65. Her life expectancy is 89. April invested a $1,000,000 into
Mila [183]

Answer:

Monthly payment is $5970

Step-by-step explanation:

Given : April invested in a lifetime annuity that begins payments at age 65. Her life expectancy is 89. April invested a $1,000,000 into the annuity, which earns 4.4% APR compounded monthly.

To find : what is April's monthly payment amount?

Solution :

Formula of monthly payment  

Monthly payment, M=\frac{\text{Amount}}{\text{Discount factor}}  

Discount factor D=\frac{1-(1+i)^{-n}}{i}  

Where, Amount = $1,000,000

Rate r= 4.4%=0.044 compounded monthly

i=\frac{0.044}{12}=0.004  

Time = 89-65=23 years

n=23\times12=276  

Now, put all the values we get,  

D=\frac{1-(1+i)^{-n}}{i}  

D=\frac{1-(1+0.004)^{-276}}{0.004}  

D=\frac{1-(1.004)^{-276}}{0.004}  

D=\frac{1-0.33}{0.004}  

D=\frac{0.67}{0.004}  

D=167.5  

Monthly payment, M=\frac{\text{Amount}}{\text{Discount factor}}  

M=\frac{1000000}{167.5}  

M=5970.1  

Approximately,monthly payment is $5970

4 0
4 years ago
Read 2 more answers
4. Amori sold 25% of her daily goal. She had sold $600 worth of merchandise.
insens350 [35]

in short, 25% is just 1/4 of anything, we know she's sold 25% which is $600, so her daily goal must be 1/4 + 1/4 + 1/4 + 1/4, or namely 600 + 600 + 600 + 600 = 2400.

4 0
2 years ago
In the figure below mPUR =77 and mST=74 Find mPR
eduard

Answer:

a)

<u>The angle formed by intersecting chords is half of the sum of the intercepted arcs:</u>

  • 1/2(mST + mPR) = m∠PUR
  • 1.2(74° + mPR) = 77°
  • 74° + mPR = 2*77°
  • mPR = 154° - 74°
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b)

<u>The angle formed by two tangents is the half of the difference of the intercepted arcs:</u>

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  • m∠PSR = 1/2(247° - (360° - 247°))
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8 0
3 years ago
Find the slope of the following graph and Identify the type of<br> Slope:
Artyom0805 [142]

Answer:

the slope is undefined

Step-by-step explanation:

in the slope equation rise/run you can't divide by 0

3 0
3 years ago
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