2 years ago

Question 5 of 10

Mathematics

1 answer:

Stells [14]2 years ago

8 0

Answer:

A. is the correct answer tnx to the points

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Tiana is preparing for a dance recital. She practices for 25 minutes on Tuesday and 35 minutes on thursday. Tian increased her p

Ymorist [56]

Tina increased 40% time from Tuesday to Thursday

Step-by-step explanation:

The percent increase is given by:

$Percent\ increase = \frac{Increase}{Initial\ Value}*100$

Where

$Increase = Current\ value- initial\ value$

Here given

Increase = 10 minutes

Initial value = 25 minutes

So the percentage increase will be:

$Percent\ increase = \frac{10}{25}*100\\= 0.4*100\\=40\%$

Tina increased 40% time from Tuesday to Thursday

Keywords: Percent, percentage

Learn more about percentage at:

#LearnwithBrainly

3 0

3 years ago

Which expression is equivalent to StartRoot negative 80 EndRoot?

mestny [16]

Answer:

$4i\sqrt{5}$

Step-by-step explanation:

$\sqrt{-80}$

$\sqrt{80*i^2}$

i^2 is -1

$i\sqrt{80}$

$i\sqrt{4^2 * 5}$

$4i\sqrt{5}$

Answer: $4i\sqrt{5}$

3 0

3 years ago

Read 2 more answers

At 2 hours before sunset, the temperature is 0°F. At 2 hours after sunset, the temperature is −4°F. Identify the slope, y-interc

LenKa [72]

Answer:-8

Step-by-step explanation:

6 0

3 years ago

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Express using algebra. Jane is 3 years older than Mary, and Mary is twice as old as Kay. If Kay is x years old, how old is Jane?

krok68 [10]

Kay = x

Mary is twice as old as Kay
⇒ Mary = 2x

Jane is 3 years older than Mary
⇒ Jane = 2x + 3

Answer: 2x + 3

5 0

4 years ago

The adverage age of three people running for election is 42. A fourth person joins the race and adverage drops to 40. What is th

larisa86 [58]

Answer:

The fourth person is 34 years old.

Step-by-step explanation:

Step 1: Find ages of the 3 people running for election

42*3=126 Their ages combined is 126.

Step 2: Find the ages of the 4 people running for election.

40*4=160

Step 3: Subtract the two ages.

160-126=34.

The 4th person is 34.

6 0

4 years ago