3 years ago

25(2-4r-59) need help asap please

Mathematics

1 answer:

Pani-rosa [81]3 years ago

5 0

Answer: -100r-1425 (this is if you are trying to simplify it)

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What is the total after a 10% discount of 346.10

AVprozaik [17]

It is 311.49. You would multiply 0.10 and 349.10, which is 34.61. Then subtract 34.61 from 349.10, which is 311.49. So, after a 10% discount of 346.10, the answer would be 311.49

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3 years ago

I need the answer ASAP

gizmo_the_mogwai [7]

You can use Photomath

7 0

2 years ago

Can anybody help me on this?

Eduardwww [97]

Answer: second option.

Step-by-step explanation:

You need to descompose the radicand 8 and the radicand 50 into their prime factors:

$8=2*2*2=2^2*2\\50=2*5*5=2*5^2$

Then you can rewrite the expression:

$\sqrt{8}+\sqrt{50}$

$=\sqrt{2^2*2}+\sqrt{2*5^2}$

Since:

$\sqrt{a^2}=a$

You can simplify the expression:

$=2\sqrt{2}+5\sqrt{2}$

As the indices and the radicands are the same, you can make the addition:

$=7\sqrt{2}$

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3 years ago

Is a triangle with sides of length 6ft, 21 ft, 23 ft a right triangle

Rainbow [258]

Try the Pythagorean theorem, $a^{2} + b^{2}= c^{2}$ . Does $6^{2} + 21^{2} = 23^{2}$ ? If it does, you have yourself a right triangle. If it doesn't, then it isn't a right triangle.

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Which of the following graphs shows all the possible values for a number that is less than 7?

Leviafan [203]

Number line with open circle on 7 and shading to the left

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