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katen-ka-za [31]
2 years ago
15

What is 2/7 + 2/5 in simplest form

Mathematics
1 answer:
Morgarella [4.7K]2 years ago
6 0

Answer:

24/35

Step-by-step explanation:

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onsider the equation 0.5 times e4z =13 solve the equation for z. express the solution as a logarithm in base e
olga_2 [115]

Answer:

z=\frac{ln(26)}{4}

Step-by-step explanation:

The given equation is:

0.5\,e^{4z}=13

so, we first isolate the exponential form that contains the unknown "z" in the exponent, by dividing both sides by 0.5:

0.5\,e^{4z}=13\\e^{4z}=\frac{13}{0.5}\\e^{4z}=26

Now we bring the exponent down by applying the natural log function on both sides, and then solve for "z":

e^{4z}=26\\ln(e^{4z})=ln(26)\\4\,z=ln(26)\\z=\frac{ln(26)}{4}

5 0
3 years ago
If you can buy 1⁄4 pizza for 5 dollars, how much can you purchase for 8 dollars? Write your answer as a fraction.
kap26 [50]

Answer:

2/5 pizza

Step-by-step explanation:

If 1/20 is one dollar, you can buy 8/20, that is 2/5 pizza

5 0
3 years ago
PLEASE HURRY!!!!
joja [24]

Answer:

3 inches

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A company makes and sells charm bracelets. The cost of producing x bracelets is represented by the function
Serggg [28]

P(x) = 12x – 180

Given:

A company makes and sells charm bracelets.

The cost of producing x bracelets is represented by the function C(x) = 180 +

8x

The revenue earned from selling x bracelets is represented by the function

R(x) = 20x.


Explanation of terms:

For x bracelets,

Cost of production is C(x); C(x) = 180 + 8x

Revenue earned is R(x); R(x) = 20x.Profit made is P(x); P(x) is unknown

Profit made = Revenue earned – Cost of production

∴ P(x) = R(x) – C(x)

P(x) = 20x – (180 + 8x)

P(x) = 20x – 180 – 8x

P(x) = 12x – 180

The profit made from selling x bracelets is represented by the function

<em> P(x) = 12x – 180</em>



8 0
3 years ago
Read 2 more answers
Danny made 84 cupcakes on Monday and n cupcakes on Tuesday. Which expression shows how many more cupcakes Danny made on Monday t
Veronika [31]

Answer:

84- n

A is the correct answer.

6 0
2 years ago
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