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omeli [17]
3 years ago
13

Test scores are normally distributed with a mean of 68 and a standard deviation of 12. Find the z – score for a grade of 74. Rou

nd your answer to two numbers after the decimal.
Mathematics
1 answer:
Tasya [4]3 years ago
6 0

Answer:

gang nem

Step-by-step explanation:

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Find the volume of each figure. Round your answer to the nearest hundredth, if necessary.<br><br>​
bija089 [108]

Formula for volume of cone:

V = \pi r^{2}  \frac{h}{3}

r = 6 km

h = 12 km

V = \pi 6^{2} \frac{12}{3}

V = \pi 36*4

V = \pi 144

V = 452.389 km^3 <----------------------Using the calculators pi button

V = 452.16 km^3 <-------------------------Using 3.14 for pi

Hope this helped!

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7 0
3 years ago
Please help! Correct answer only, please! I need to finish this assignment this week. Determine the value of the following: A. B
11Alexandr11 [23.1K]

Answer:

C

Step-by-step explanation:

Given

\left[\begin{array}{ccc}-2&3\\2&4\\\end{array}\right] + \left[\begin{array}{ccc}3&1\\-1&2\\\end{array}\right]

Add corresponding elements to obtain the sum, that is

= \left[\begin{array}{ccc}-2+3&3+1\\2-1&4+2\\\end{array}\right]

= \left[\begin{array}{ccc}1&4\\1&6\\\end{array}\right] → C

4 0
4 years ago
Which could be an equation for the graph?
zmey [24]

Answer:

Y=sin(x+30)

Step-by-step explanation:

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8 0
3 years ago
Represent the arithmetic series using the recursive formula.<br><br> 94, 89, 84, 79, …
Gnom [1K]

Answer:

f(1)=94,f(n)=f(n-1)-5

Step-by-step explanation:

8 0
2 years ago
At the store, you buy a backpack for $30.42, a binder for $9.89 and a combination lock for $5.75. If you give the cashier $50.00
Shkiper50 [21]

Answer:

$3.94

Step-by-step explanation:

$30.42 + $9.89 + $5.75 = £46.06

$50.00 - $46.06 = $3.94

7 0
3 years ago
Read 2 more answers
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