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3 years ago

Please answer! (will mark brainlist!)

Mathematics

2 answers:

tensa zangetsu [6.8K]3 years ago

8 0

Answer:

how are you?

Step-by-step explanation:

41.76

zhuklara [117]3 years ago

5 0

Answer:

41.76

I think

Step-by-step explanation:

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Find the volume of the pyramid. Round to the nearest tenth if necessary.

Ymorist [56]

Answer:

53.7

Step-by-step explanation:

The area of the rectangular base is 7(2.3)=16.1.

So, the total volume is (1/3)(16.1)(10), which is about 53.7

6 0

2 years ago

If a simple machine reduces the strength of a force, what must be increased?

ch4aika [34]

I think the answer is C. The distance over which the force is applied. Hope this helps!

4 0

3 years ago

Suppose you do an analysis of the starting salaries of 100 recent Lehman graduates. You find that the average starting salary is

madreJ [45]

Answer:

a) (59180,60820)

b) (59020,60980)

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = $60,000

Standard Deviation, σ = $5,000

Sample size, n = 100

a) 90% critical values

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.10} = 1.64$

$60000 \pm 1.64(\frac{5000}{\sqrt{100}} ) = 60000 \pm 820 = (59180,60820)$

b) 95% critical values

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

$60000 \pm 1.96(\frac{5000}{\sqrt{100}} ) = 60000 \pm 980= (59020,60980)$

5 0

3 years ago

Blank DVD's are sold in packages of 50 for $17.95 if your company will need 2700 blank divide these next year how much money mus

PilotLPTM [1.2K]

Answer:

Step-by-step explanation:

50 X 240 = 2700. So you will need 240 packs of 50. They cost 17.95 each, so the multiply. 240 X 17.95 is 4,308. So, 4,308 is your answer.

5 0

3 years ago

What is the equation in standard form of the line Y equals 1 / 9 x + 5

Juli2301 [7.4K]

Answer:

1/9x - y = -5

General Formulas and Concepts:

Pre-Algebra

Equality Properties

Algebra I

Standard Form: Ax + By = C

Slope-Intercept Form: y = mx + b

m - slope

b - y-intercept

Step-by-step explanation:

Step 1: Define equation

Slope-Intercept Form: y = 1/9x + 5

Step 2: Find Standard Form

Subtract 1/9x on both sides: -1/9x + y = 5
Multiply -1 on both sides: 1/9x - y = -5

4 0

3 years ago