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Mathematics

2 answers:

mars1129 [50]3 years ago

8 0

Answer:

25/9

Step-by-step explanation:

Fantom [35]3 years ago

3 0

Answer:

StartFraction 25 Over 9 EndFraction

Step-by-step explanation:

$\bigg( \huge{\frac{ {3}^{2}a ^{ - 2} }{3 {a}^{ - 1} }} \bigg)^{k} \\ \\ = \bigg( \huge{\frac{ 9a }{3 {a}^{ 2} }} \bigg)^{k} \\ \\ = \bigg( \huge{\frac{ 3 }{ {a}}} \bigg)^{k} \\ \\ = \bigg( \huge{\frac{ 3 }{ {5}}} \bigg)^{ - 2} \\ \\ = \bigg( \huge{\frac{ 5 }{ {3}}} \bigg)^{ 2} \\ \\ = \huge{\frac{ 25 }{ {9}}}$

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the difference between your school and house is 5 kilometers. on foot you get home in 25 minutes. if you rode your bike you can

Artyom0805 [142]

The speed while walking is 0.2 kilometers per minute

Step-by-step explanation:

The speed is calculated as distance per unit time.

Given

Distance = d = 5 km

Time by walking = t = 25 minutes

The speed is given by:

$s = \frac{d}{t}$

Putting the values

$s = \frac{5}{25}\\s= 0.2\ km/min$

The speed while walking is 0.2 kilometers per minute

Keywords: Speed, distance

Learn more about speed at:

#LearnwithBrainly

7 0

3 years ago

Subtract 7 3/4 - 3 1/8. What's the answer?

aleksley [76]

4 5/8 if u have a calculator there should be a abc button and that will help u subtract add etc with fractions and turn them into decimals if u need to

4 0

2 years ago

Read 2 more answers

What expression is equivalent to 5n+6+(-7n)

tensa zangetsu [6.8K]

You just have to simplify:
-2n+6

8 0

3 years ago

Read 2 more answers

SOLVE <br> <img src="https://tex.z-dn.net/?f=%5Cfrac%7B12%7D%7B-4%7D" id="TexFormula1" title="\frac{12}{-4}" alt="\frac{12}{-4}"

ivanzaharov [21]

Answer: 12/-4= -3. -12/4=-3. -(12/4)= -3