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3 years ago

helppppppppppppppppppppp meeeeeeeeeeeeeeeeeeeeee itssss urgentttttttttttttttttttttttttttttttttttttttttt

Mathematics

1 answer:

Tema [17]3 years ago

7 0

Answer:

the surface area S of the red solid is 90m^2

Step-by-step explanation:

The computation of the surface area of the red solid is shown below:

First find the scale factor i.e.

= 6 ÷ 4

= 1.5

Now the surface area of the red solid is

= 40 × 1.5 × 1.5

= 90m^2

Hence, the surface area S of the red solid is 90m^2

The same would be considered

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(2sqrt7+3sqrt6)(5sqrt2+4sqrt3)=

Softa [21]

Answer:

$10\sqrt{14})+8\sqrt{21})+30\sqrt{3}+36\sqrt{2})$

Step-by-step explanation:

The given product is:

$(2\sqrt{7}+3\sqrt{6})(5\sqrt{2}+4\sqrt{3})$

We expand using the distributive property to get;

$(2\sqrt{7})(5\sqrt{2}+4\sqrt{3})+3\sqrt{6}(5\sqrt{2}+4\sqrt{3})$

Simplify:

$=10\sqrt{14})+8\sqrt{21})+15\sqrt{12}+12\sqrt{18})$

$=10\sqrt{14})+8\sqrt{21})+30\sqrt{3}+36\sqrt{2})$

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3 years ago

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Pls telll/pls tell pls tell pls tell

grandymaker [24]

Answer: 2

Step-by-step explanation:

Given

The polynomial is $x^4+x^3-2x^2+x+1$ is divided by $x-1$

According to the remainder theroem

$\Rightarrow x-1=0\\\Rightarrow x=1$

Put $x=1$ in the polynomial to get the remainder

$\Rightarrow 1+1-2+1+1\\\Rightarrow 2$

So, we get the remainder 2.

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3 years ago

A 3-gallon bottle of bleach costs $13.92. What is the price per cup?

timofeeve [1]

1 gallon equals 16 cups. So, 3 gallons equal $3\cdot 16 = 48$ cups.

So, 48 cups cost $13.92, which means that one cup costs

$\dfrac{13.92}{48}=0.29$

4 0

4 years ago

Someone give me the answer????plz I’m really stuck and delayed on my homework answer this question and my other one I’ll give yo

ollegr [7]

Answer:

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3 years ago

The ratio of water and milk in a mixture is 2:3, what percent of water is mixed in the mixture?

elena-s [515]

40% water 60% milk

reason:
if you make then go to 100 by multiplying 2:3 by 2 you get 4:6 and then add a 0 at the end and there’s your answer

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3 years ago

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