2 years ago

Pls i need it in 10 mins

Mathematics

1 answer:

Levart [38]2 years ago

5 0

At the start they both have 200?

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bryan has some 3 cent stamps and some 4 cent stamps. what is the least number of stamps he can combine so the value of the stamp

SashulF [63]

Answer:

The least number of stamps required is $9$

Step-by-step explanation:

Let the number of $3$ cent stamps be $x$ and $4$ cent stamps be $y$

We have

$3x+4y=33$

The minimum number is obtained when more $4$ cent stamps are used

Here $y$ cannot be greater than $8$ since $\frac{33}{4}$

Substitute $y=8$

$3x+4\times 8=33\\\\3x=1\\\\x=\frac{1}{3}$

Not possible since $x$ is not a fraction

Substitute $y=7$

$3x+4\times 7=33\\\\3x=5\\\\x=\frac{5}{3}$

Not possible since $x$ is not a fraction

Substitute $y=6$

$3x+4\times 6=33\\\\3x=9\\\\x=\frac{9}{3}\\\\=3$

Possible

Hence minimum number of stamps is

$=x+y\\\\=3+6\\\\=9$

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2 years ago

A cone has a base area of 8 cm^2 and a height of 3.8 cm. What is the volume of the cone?

Nitella [24]

The answer is: 30.4 cm³ .
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The volume = Base Area * height = (8 cm²) * (3.8 cm) = 30.4 cm³ .
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2 years ago

Multiple choice please help

Yuri [45]

C, adding the rest of this sentence because it needs to be longer

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2 years ago

The ratio of 6:5 can be expressed as

Helen [10]

Answer:

the ratio of 6:5 can be expressed as 6/5

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2 years ago

it takes 1/2 of a gallon of paint 1/3 of the wall. How Many gallons of paint will it take to paint the entire wall. helppp me as

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1/3 of the wall takes 1/2 gallon paint.

3(1/3 wall) takes 3(1/2 paint)

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Answer: 1 $\frac{1}{2}$ gallons paint

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3 years ago

Pls i need it in 10 mins ​

Pls i need it in 10 mins