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Alecsey [184]
3 years ago
10

Plz help my with this!

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
6 0

Answer:

approx.  23

Step-by-step explanation:

4+9+10=23

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<em>.... what is this train..... ❓❓</em>

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2 years ago
A ball with a rebound percentage of 45% was dropped from a height of 215feet. What is the height of the ball after the 5th bounc
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a

Step-by-step explanation:

8 0
3 years ago
Which expression is equivalent to square root 55x^7y6/11x^11y^8
Novay_Z [31]

Answer:

\large\boxed{\sqrt{\dfrac{55x^7y^6}{11x^{11}y^8}}=\dfrac{\sqrt5}{x^2y}}

Step-by-step explanation:

\sqrt{\dfrac{55x^7y^6}{11x^{11}y^8}}=\sqrt{\dfrac{55}{11}\cdot\dfrac{x^7}{x^{11}}\cdot\dfrac{y^6}{y^8}}\qquad\text{use}\ \dfrac{a^n}{a^m}=a^{n-m}\\\\=\sqrt{5x^{7-11}y^{6-8}}=\sqrt{5x^{-4}y^{-2}}\qquad\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\=\sqrt5\cdot\sqrt{x^{-4}}\cdot\sqrt{y^{-2}}=\sqrt5\cdot\sqrt{x^{(-2)(2)}}\cdot\sqrt{y^{(-1)(2)}}\qquad\text{use}\ (a^n)^m=a^{nm}\\\\=\sqrt5\cdot\sqrt{(x^{-2})^2}\cdot\sqrt{(y^{-1})^2}\qquad\text{use}\ \sqrt{a^2}=a

=\sqrt5\cdot x^{-2}\cdot y^{-1}\qquad\text{use}\ a^{-n}=\dfrac{1}{a^n}\to a^{-1}=\dfrac{1}{a}\\\\=\sqrt5\cdot\dfrac{1}{x^2}\cdot\dfrac{1}{y}=\dfrac{\sqrt5}{x^2y}

6 0
3 years ago
What is the least 10-digit whole number? write the number in word form and in standard form
Ghella [55]
1,000,000,000 standard form
one billion word form
7 0
3 years ago
Read 2 more answers
Please help I'm almost done!
lord [1]

Answer:

C) The song shop

Step-by-step explanation:

Divide all prices by the amount of songs purchased. example: 7.92/6=1.32

6 0
3 years ago
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