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3 years ago

Your dining table is 6 feet long and 4 feet wide. The table's

Mathematics

1 answer:

NeTakaya3 years ago

6 0

9 feet

Step-by-step explanation:

The table cloth would be 9 feet in length

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Given that when x is reduced by 17% the answer is y, express x in terms of y.

Dima020 [189]

X - 0.17 = y

add 0.17 to both sides

x = y + 0.17

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4 years ago

10/3 times what equals 20

faust18 [17]

1.6666666 and so on and so forth

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4 years ago

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Please help!! worth 20 points !!

MaRussiya [10]

Answer:

So you have it right. 15 5/7 in

Step-by-step explanation:

C = πd

All you can do now is substitute what has been given

Diameter = 5

Pi = $\frac{22}{7}$

C = $\frac{22}{7}$ * 5

Multiply from across

22 * 5 = 110 ( numerator)

7 * 1 = 7 (denominator)

110/7 (improper fraction) = 15.71428571428571 ( as a decimal) = 15 5/7 ( as a mixed number)

Ik its 15 5/7 because 1. the 15 wont change, and 2 5/7 = 0.7142857142857143, which is the same one as above

Hope this helped!

Have a supercalifragilisticexpialidocious day!

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3 years ago

What are the solutions of the equation x4 - 9x2 + 8 = 0? Use u substitution to solve.

Sedbober [7]

Answer:

$\large\boxed{B.\ x=\pm1\ and\ x=\pm2\sqrt2}$

Step-by-step explanation:

$x^4-9x^2+8=0\\\\x^{2\cdot2}-9x^2+8=0\qquad\text{use}\ (a^n)^m=a^{nm}\\\\(x^2)^2-9x^2+8=0\\\\\text{substitute}\ x^2=t\geq0\\\\t^2-9t+8=0\\\\t^2-t-8t+8=0\\\\t(t-1)-8(t-1)=0\\\\(t-1)(t-8)+0\iff t-1=0\ \vee\ t-8=0\\\\t-1=0\qquad\text{add 1 to both sides}\\t=1\geq0\\\\t-8=0\qquad\text{add 8 to both sides}\\t=8\geq0$

$t=x^2\to x^2=1\ \vee\ x^2=8\\\\x^2=1\Rightarrow x=\pm\sqrt1\to x=\pm1\\\\x^2=8\Rightarrow x=\pm\sqrt8\to x=\pm\sqrt{4\cdot2}\to x=\pm\sqrt4\cdot\sqrt2\to x=\pm2\sqrt2$

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3 years ago

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Write the polynomial in standard form. Then name the polynomial based on its degree and number of terms.

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