4 years ago

Which point on the axis satisfies the inequality

1 answer:

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Solve the equation 7/z-1 = 9/z+4

algol [13]

Answer:

z is equal to 18.5

Step-by-step explanation:

When an equation is in the format a/b = c/d, the quickest way to simplify it is to cross multiply. Each side is multiplied by the other sides denominator, eliminating the division:

$\frac{7}{z-1} = \frac{9}{z + 4}\\7(z + 4) = 9(z - 1)\\7z + 28 = 9z - 9\\7z - 9z = -9 - 28\\-2z = -37\\z = 37/2\\z = 18.5$

So z is equal to 18.5

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3 years ago

Find the sum of 142.3, 0.572 and 47.06

xxMikexx [17]

Answer:

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3 years ago

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7/2

Step-by-step explanation:

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4 years ago

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What is the degree of the polynomial? 5x² + 8x³ + 4- 6x² - 3x5

geniusboy [140]

Answer:

The degree of polynomial is 5.

Step-by-step explanation:

I suppose the polynomial is $\displaystyle{5x^2+8x^3+4-6x^2-3x^5}$ . To find the which degree this polynomial is, we consider the highest exponent of the term which is $\displaystyle{3x^5}$ , the 5 is our highest degree of the term and thus, 5 is our highest degree of polynomial.

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In a 30-60-90 degree right triangle, the side opposite the 30-degree angle is

Afina-wow [57]

Answer:

It is the short leg.

Step-by-step explanation:

The triangle and is called a right triangle and the side opposite the 30-degree angle is the shorter leg

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