3 years ago

15x − 2 =? please help

1 answer:

8 0

Answer:

I cant tell is the 'x' is supposed to be a variable or a multiplication sign. IF its a multiplication sign then the answer is -30. Btu if its a variable then its in its simplest form there isn't any way to solve that equation.

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98-x2=0 solve this with the quadratic formula

Mars2501 [29]

Answer:

x∈{-7√2, 7√2}

Step-by-step explanation:

$98-x^2=0\\\\-x^2+98=0\\\\a=-1\,,\ \ b=0\,,\ \ c=98\\\\x_1=\dfrac{-0-\sqrt{0^2-4\cdot(-1)\cdot98}}{2\cdot(-1)}=\dfrac{-\sqrt{4\cdot49\cdot2}}{-2}=\dfrac{-2\cdot7\sqrt{2}}{-2}=7\sqrt2\\\\x_2=\dfrac{-0+\sqrt{0^2-4\cdot(-1)\cdot98}}{2\cdot(-1)}=\dfrac{2\cdot7\sqrt{2}}{-2}=-7\sqrt2$

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3 years ago

The Cooking Club was making some pies to raise money for the school . The cafeteria made 2 pies and was cut into 6 pieces . How

Temka [501]

2? It says it in the question I think

5 0

3 years ago

Please help its hard btw

Rudiy27

Answer:

4213

Step-by-step explanation:

go to the numbers that pop out and do it backwards.

7 0

3 years ago

A triangle has side lengths of 7 centimeters, 5 centimeters, and c centimeters.

storchak [24]

Sum of two sides always greater than the third side

If c is the smallest number, then

5 + c > 7
c > 2

If c is the largest number, then

5+7>c
12>c

Adding c>2 and 12>c, you get 12>c>2 for the answer

4 0

4 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=938%20%5Ctimes%206" id="TexFormula1" title="938 \times 6" alt="938 \times 6" align="absmiddle"

Assoli18 [71]

938* 6=

5628

The answer s 5628

6 0

3 years ago

Read 2 more answers