3 years ago

O

Mathematics

1 answer:

babymother [125]3 years ago

8 0

The second one, fourth one, and sixth one are true.

Hope this helps!

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At the track practice, Sam practiced running the hurdles for 1 hour and 25 minutes. Then he practiced the high jump for 20 minut

blagie [28]

Answer:

Practice started at 1:55 pm.

Step-by-step explanation:

6 0

3 years ago

What is the simplified value of the exponential expression 64 1/4

katrin [286]

$\bf a^{\frac{ n}{ m}} \implies \sqrt[ m]{a^ n} 
\qquad \qquad
\sqrt[ m]{a^ n}\implies a^{\frac{ n}{ m}}\\\\
-------------------------------\\\\
64^{\frac{1}{4}}\qquad \boxed{64=2^6}\qquad (2^6)^{\frac{1}{4}}\implies 2^{6\cdot \frac{1}{4}}\implies 2^{\frac{6}{4}}\implies 2^{\frac{3}{2}}
\\\\\\
\sqrt[2]{2^3}\implies \sqrt{2^{2+1}}\implies \sqrt{2^2\cdot 2^1}\implies 2\sqrt{2}$

3 0

3 years ago

Jasmine took a cab home from her office. The cab charged a flat fee of $4, plus $2 per mile. Jasmine paid $32 for the trip. How

vaieri [72.5K]

To solve, make an equation. The equation would be
$$32 = 4 + 2x$
x represents the miles driven
to solve, subtract 4 from each side of the equation.
$32-4 = 4-4 + 2x
The equation is now
$28 = 2x
Now you divide by 2 on each side.
$28 ÷ 2 = 2x ÷ 2
simplify
14 = x
The answer is 14 miles

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3 years ago

Distance time speed<br>

OLEGan [10]

Speed = Distance ÷ Time

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3 years ago

You randomly draw a marble from a bag, record its color, and then replace it. You draw a red marble

andre [41]

Make it a fraction
7/25 * 4/4 = 28/100
0.28 = 28 percent

There is a 28 percent chance the next marble will be red

5 0

3 years ago