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Troyanec [42]
3 years ago
10

Could you help me with this

Mathematics
2 answers:
MrMuchimi3 years ago
6 0

Answer: 40

Step-by-step explanation:

All you have to do is divide it. However, the actual answer is 40.5, but I'm sure that they round it.

Advocard [28]3 years ago
5 0

Answer:

There would be 40

Step-by-step explanation:

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A hot air balloon can hold up to 300 pounds of weight. The balloon's pilot weighs 140 pounds. How many 20-pound bags of sand (b)
Orlov [11]

Answer:

8, 5, 0 (B, C, D)

Step-by-step explanation:

okay so in order to solve this, first you would do 300-140 since the limit is 300 and 140 is already occupied. 300-140=160. Next, to find the number of 20-pound bags that can fit, you would do 160/20 or just 20b<_160 (<_ is less than or equal to). b<_ 8, therefore you could have anything ranging from 0b-8b. You cannot have a negative number of bags, that is just not possible, and with 10 bags, you surpass the weight limit by 40 pounds.

7 0
3 years ago
(100) points!!!! Help please
inysia [295]

Answer:

\displaystyle a_8=142,11\ mg

Step-by-step explanation:

Geometric sequence

Each term in a geometric sequence can be computed as the previous term by a constant number called the common ratio. The formula to get the term n is

\displaystyle a_n=a_1r^{n-1}

where a_1 is the first term of the sequence

The problem describes Georgie took 275 mg of the medicine for her cold in the first hour and that in each subsequent hour, the amount of medicine in her body is 91% (0.91) of the amount from the previous hour. It can be written as

amount in hour n = amount in hour n-1 * 0.91

a)

This information provides the necessary data to write the general term as

\displaystyle a_n=275\ .\ 0.91^{n-1}

b)

In the 8th hour (n=8), the remaining medicine present is Georgie's body is

\displaystyle a_n=275\ .\ 0.91^{8-1}

\displaystyle a_n=275\ .\ 0.91^{7}

\boxed{\displaystyle a_8=142,11\ mg}

6 0
3 years ago
15 POINTS!!! How do the rules for adding and subtracting signed decimals compare with the rules for adding and subtracting integ
MArishka [77]

Answer:

The rules for adding and subtracting signed decimals are almost the same as the rules for adding and subtracting integers. When dealing with decimals, you need to be especially aware that your decimal points are lined up so that you do not accidentally add or subtract in the wrong place.

5 0
3 years ago
Describe the solution to the inequality c is lesser than or equal to -2
nadya68 [22]

Answer: The solution would be any value that is -2 and lower.


Step-by-step explanation:

Okay, so our equation is c ≤ -2, so any value that is -2 and below would be correct for this inequality.

4 0
3 years ago
for the expression n(2n+4n^2-5-3n), use the distributive property to write an equivalent expression in standard form
Ronch [10]

\text{distributive property:}\ a(b+c)=ab+ac\\\\2n+4n^2-5-3n=4n^2+(2n-3n)-5=4n^2-n-5\\\\n(2n+4n^2-5-3n)=n(4n^2-n-5)=(n)(4n^2)+(n)(-n)+(n)(-5)\\\\=\boxed{4n^3-n^2-5n}

4 0
4 years ago
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