4 years ago

What is the value of x ??

Mathematics

1 answer:

Furkat [3]4 years ago

4 0

7cm is the answer hope it helps

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Maddie buys stock that is worth $22 per share.On the first day,the value of the stock goes up 20%. On the second day,the value d

zepelin [54]

Answer:

At the end of the second day, the value of the share is $23.76

Step-by-step explanation:

Maddie bought $22 worth of share

20% increase of $22 share in the first day

= 20/100 × 22

= $4.40

The total value at the end of the $22 + $4.40

= $26.40

On the second day, 10% decrease of $26.40 is

= 10/100 × $26.4

= $2.64

At the end of the second date, the value of the share is $26.40 - $2.64

= $23.76

5 0

4 years ago

The average score of 100 students taking a statistics final was 70 with a standard deviation of 7. Assuming a normal distributio

san4es73 [151]

Answer:

74.72

Step-by-step explanation:

Given

mean $\left ( \mu \right )=70$

Standard deviation $\left ( \sigma \right )=7$

For Top 25%

$P\left ( Z$

and Z value for 75 % is 0.6744

Thus score which separates the Top 25% of students is

$=\mu +\sigma \cdot Z$

$=70+7\cdot 0.6744=74.7208$

8 0

4 years ago

16/250, 6.5% and 0.062 from least to greatest

harina [27]

0.062,16/250 and 6.5%

3 0

3 years ago

8.<br> Find the selling price of a $450 painting with a 45%<br> markup.

makvit [3.9K]

The answer is 652.50

450+45%

7 0

4 years ago

Use elimination to solve and match each system of equations to the correct solution

Vilka [71]

Answer:

Step-by-step explanation:

27x + 12y = -216

8x - 12y = -64

35x = -280

x= -8

2(-8) - 3y = -16

-16 - 3y = -16

-3y = 0

y = 0

(-8, 0)

4 0

3 years ago