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3 years ago

A STORY OF RATIOS

Mathematics

1 answer:

morpeh [17]3 years ago

6 0

Answer:

80-91654

Step-by-step explanation:

20-31 then do 482=9 66+77 then u get ans

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Why is 1/2 and 1/3 similar? Thank you!

kenny6666 [7]

1/2 and 1/3 are similar because 3/6 and 2/6 are similar. They are so close but not the same.

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3 years ago

5x+7x-1/2x+1/4=6 helpppppp

oksian1 [2.3K]

Answer:

x = 1/2 = 0.500

Step-by-step explanation:

Solve : 2x-1 = 0

Add 1 to both sides of the equation :

2x = 1

Divide both sides of the equation by 2:

x = 1/2 = 0.500

6 0

3 years ago

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Margie has a $50.00 budget to purchase a $45.00 pair of boots. If there is an 8% sales tax rate, Margie will be how much under b

natita [175]

Answer:

$1.40

Step-by-step explanation:

First, 8% of $45

45*0.08=3.6

45+3.6=48.6

50-48.6=1.4

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3 years ago

22. ZA and ZB are supplementary. If mZA = (8x +100) and m2B = (2x + 50), find mzA and m_B.

Dmitriy789 [7]

Answer:

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3 years ago

Which shows the correct substitution of the values a, b, and c from the equation -2=-x+x^2-4 into the quadratic formula?

Greeley [361]

Given the equation:

(1) $-2=-x+ x^{2}-4$

We need to find a, b and c. So, we know that a quadratic equation is given by:

(2) $ax^{2}+bx+c=0$

Then, we need to order the equation (1) and to adjust it to the equation (2), so:

$x^{2}-x-2=0$

So, if we compare these two equations, the conclusion is:

$a=1$
$b=-1$
$c=-2$

(3) $x= \frac{-b\pm \sqrt{b^{2}-4ac}}{2a}$

Substituiting a, b and c into (3):

$x= \frac{-(-1)\pm \sqrt{(-1)^{2}-4(1)(-2)}}{2(1)}$

Finally, the results are two values:

$x_{1}=2$
$x_{2}=-1$

7 0

4 years ago

Read 2 more answers