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gladu [14]
3 years ago
5

If 3 pounds of apples cost $3.85, how much will 18 pounds of apples cost?

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
8 0

Answer: $23.10

Step-by-step explanation:

18/3 = 6

3.85 x 6 = $23.10

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A car with a tank that holds 11.6 gallons of gasoline is using 1.45 gallons per hour. Is the tank more than half full of gasolin
spayn [35]
No, because 11.6/2 is 5.8 so 5.8 is half of the tank. if it uses 1.45 per hour and it's used for 3.5 hours there will only be 5.075
6 0
3 years ago
Read 2 more answers
1.What basic trigonometric identity would you use to verify that cot x sin x = cos x? . .
zavuch27 [327]
1 ) cot x * sin x = cos x
(cos x / sin x) * sin x = cos x 
cos x = cos x
Answer: B ) cot x = cos x / sin x
2 ) ( sin² x + cos² x ) / cos x = sec x
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3 0
3 years ago
If Amanda ran 3/8 of a mile on Wednesday, how much more did she run on Monday and Tuesday than on Wednesday
Lorico [155]
I think 6/8 hope this help.
8 0
3 years ago
Can someone help me please
FinnZ [79.3K]

Answer:

1/9, 3, 27

(A / the first option listed)

Step-by-step explanation:

Here, we are given an expression with an "x" in it, and we are to evaluate possible x values, which means we plug them in as the x in the expression

first,

x = -2

3ˣ → 3⁻²

when we raise something to a negative power, we simply find the positive version of that power, and put a 1 over it:

3²  =  3 · 3 =  9

so, 3⁻² =  \frac{1}{9}  (1/9)

next,

x = 1

3ˣ → 3¹

now, here we have something raised to the power of 1, which is always itself, so  3¹ = 3

   (think of ^to the power of  as how many times we multiply that number, so 3² = 3 · 3, 3¹ = 3)

and finally,

x = 3

3ˣ → 3³

here, we can multiply 3 by itself 3 times:

3 · 3 · 3 = 27

so, 3³ = 27

[<em>important note</em><em>: when we raise something to a power, we are </em><u><em>not</em></u><em> multiplying the base number by that number, but this is a common mistake. but the exponent is how many times we are multiplying that number, which is confusing at first}</em>

So, our answers in order are:

1/9, 3, 27 (the first option listed)

hope this helps! let me know if I should clarify anything :)

8 0
2 years ago
What is 2/3 - 1/2 <br> &amp; <br> 2/5 - 1/8
notsponge [240]
2/3-> 4/6
1/2-> 3/6
Subtract

1/6

2/5-> 16/40
1/8-> 5/40
Subtract

11/40
5 0
3 years ago
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