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Sauron [17]
3 years ago
7

2. Mr. Lavi determined that the total cost of his son's birthday party, c, could be represented by

Mathematics
1 answer:
Tresset [83]3 years ago
4 0

Answer:

41 people attended the party

Step-by-step explanation:

1120 = 20x + 300

1120 - 300 = 20x

820 = 20x

x = 41

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How many 1/4 ft cubed make up the volume of this prism ?​
DIA [1.3K]

Answer:

Each cube with side lengths of 1/4 has a volume of (1/4)3 which means each cube's volume is 0.015625 cubic units. To find how many cubes are needed to fill the prism, divide 3 cubic units by 0.015625 cubic units. Your answer will be 192 cubes.

Step-by-step explanation:

6 0
3 years ago
there's a crab on the ocean floor 60 ft below sea level and a bird 120 ft in the air how far apart are the crab and the bird
baherus [9]

Answer:

180 feet

Step-by-step explanation:

|-60+120| is 180

7 0
3 years ago
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Mrs. JOHNSON paid $40.68 for 3kg of shrimp. What’s the cost of 1 kilogram of shrimp?
Goshia [24]

Answer:

It is 13.56

Step-by-step explanation:

You would have to divide 40.68 by 3. 3 goes 1 time into 4 so it is 10.

4 0
3 years ago
Read 2 more answers
How do I solve this question?
zubka84 [21]

Answer:

f(x) = \frac{108}{7} (\frac{7}{6})^x or f(x) = 15.429(1.167)^x

Step-by-step explanation:

No need for a calculator.

Assuming that the equation is in the form y = ab^x, we can plug in points to get our equation. For ease, let's use (1,18) and (2,21). When plugging these points in, we get 18 = ab^1, 21 = ab^2. Now let's divide the equations to get rid of a: \frac{21 = ab^2}{18 = ab^1}  = \frac{21}{18}  =  \frac{7}{6}  = b. Now that we have b, we can plug in the value we just calculated to solve for a: 18 = a(\frac{7}{6} )^1, and solving for a, we get a = \frac{108}{7}.

So the f(x) = (\frac{108}{7})(\frac{7}{6}  )^x

This equation in decimal form (rounded to the nearest thousandth) is f(x) = 15.429(1.167)^x.

hope this helped! :)

4 0
2 years ago
Compare 8^0 and 8^-2. which is greater? Explain your reasoning.
aev [14]

Hello there!

8^0 amd 8^-2


Let me start with 8^-2

8^-2 = 1/8 * 8

8^-2 = 1/64

which equals to 0.015625 in decimal


8^ 0 =  1

Yep, that's the answer! Easy, isn't? Well you may have been wondering why 8^0 is equal to 1.

I quoted an explanation online that says:    Think of "multiplication" as always including an extra "1" as a multiplier.

So it'd be like

8^ 0

8/8 = 1


Remember: Whenever a number has an exponent 0, the answer MUST be 1.


Thus,

8^0 is greater. As you can see, it is equal to 1, while the other one is equal to 0.01


I'm terrible at explaining stuff. I hope you find this answer somehow helpful :)

4 0
4 years ago
Read 2 more answers
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