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algol13
3 years ago
9

Investment a starts with $1000 and increases its value by $80 each week. Investment b starts with $2000 and loses $50 of its val

ue each week.After how many weeks will the two investments have the same value?
Mathematics
1 answer:
just olya [345]3 years ago
6 0
Try guess and check method ( hint : try to find the common multiple of 80 and 50)
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Raise 8 to the 5th power, then subtract the result from h. What would the expression be?
lawyer [7]
The equation would look like this:

h - 8⁵

To solve for the value of h.
It must be in standard form, where one side is equal to 0.

h - 8⁵ = 0
h = 8⁵
h = 8 x 8 x 8 x 8 x 8
h = 32,768

T
he exponent above the number indicates the number of time its base will be multiplied by itself. In this case, the base will be multiplied 5 times.

To check: h = 32,768
h - 8⁵ = 0
32,768 - 32,768 = 0
0=0
7 0
2 years ago
Please help! 11 pts.
sdas [7]

Pythagorean Theorem can be used only for right triangles.

(leg1)² +(leg2)² = hypotenuse ²

So, answer is the right triangle B.

6 0
3 years ago
Read 2 more answers
Karen spent 7/10 hour reading and 3/5 hours writing in her journal how much longer did karen spend reading than writing in her j
STatiana [176]

Answer: 1/10

Step-by-step explanation:

From the question, we are informed that Karen spent 7/10 hour reading and 3/5 hours writing in her journal.

To calculate how much longer karen spent reading than writing in her journal, we have to subtract 3/5 from 7/10. This will be:

= 7/10 - 3/5

Note that the lowest common multiple of 5 and 10 is 10.

= 7/10 - 6/10

= 1/10

Therefore, the answer is 1/10

3 0
2 years ago
Hello can somedy help me please <br> thank you in advance
alina1380 [7]

Answer:

Area of the circle=πr²

= 3.142 \times  {4}^{2}  \\  = 50.272cm \\  = 50.3cm

4 0
3 years ago
Pls help this is very easy
anastassius [24]

Answer:

20/9

Step-by-step explanation:

Alright, so by using the "keep me, change me, turn me over" method - we can easily solve this:

\frac{8}{9}\div \frac{2}{5}\\=\frac{8}{9}\times \frac{5}{2}\\=\frac{4}{9}\times \frac{5}{1}\\=\frac{4\times \:5}{9\times \:1}\\=\frac{20}{9}

<em>I hope I was of assistance!</em> <em><u>#SpreadTheLove <3</u></em>

4 0
3 years ago
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