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noname [10]
2 years ago
11

Find value of x (4x-12) 120

Mathematics
2 answers:
Mamont248 [21]2 years ago
6 0

Answer:

33

Step-by-step explanation:

120+12=132

132÷4=33

Sorry if this didnt help.

Lady bird [3.3K]2 years ago
6 0

Answer:

x=33

Step-by-step explanation:

120 + 12 = 132 4x = 132

Divide each side by '4'

x = 33

Simplifying x = 33

hope this helps

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He takes a random sample of 49 recent charterholders and computes a mean salary of $172,000 with a standard deviation of $35,000
uysha [10]

Answer:

the 90% of confidence intervals for the average salary of a CFA charter holder

 (1,63,775 , 1,80,000)

Step-by-step explanation:

<u>Explanation</u>:-

random sample of n = 49 recent charter holders

mean of sample (x⁻) =  $172,000

standard deviation of sample( S) = $35,000

Level of significance α= 1.645

<u> 90% confidence interval</u>

(x^{-} - Z_{\alpha } \frac{s}{\sqrt{n} } , x^{-} + Z_{\alpha } \frac{s}{\sqrt{n} })

(172000 - 1.645 \frac{35000}{\sqrt{49} } , 172000 +1.645 \frac{35000}{\sqrt{49} })

on calculation , we get

(1,63,775 , 1,80,000)

The mean value lies between the 90% of confidence intervals

(1,63,775 , 1,80,000)

4 0
3 years ago
Can someone please help with 3-8 ASAP PLEASE!!!!!!!!!
SashulF [63]
3. 18 square yards
4. 1,200 square feet
5. 405 square inches
6. 84 square meters
7. 343 square yards
8. 0.125 square centimeters
7 0
3 years ago
An amount of $32,000 is borrowed for 10 years at 5.75% Interest, compounded annually. If the loan is paid in full at the end of
Leya [2.2K]

Answer:

Total cost of the loan $55,969.8.-

Step-by-step explanation:

Giving the following information:

An amount of $32,000 is borrowed for 10 years at 5.75% Interest, compounded annually.

<u>To calculate the total cost of the loan, we need to use the Future Value (FV) formula:</u>

<u></u>

FV= PV*(1 + i)^n

PV= loan

i= interest rate

n= number of periods

FV= 32,000*(1.0575^10)

FV= $55,969.8

6 0
3 years ago
Which equation represents a slope of −4 and y-intercept of (0,2)?
blsea [12.9K]

Answer:

y=-4x+2

Step-by-step explanation:

Hi there!

We want to find out which equation represents a line with a slope of -4 and a y intercept of (0,2)

The most common way to write the equation of the line is in slope-intercept form, which is y=mx+b, where m is the slope and b is the y intercept

We have everything we need to plug into the equation, let's just label the values to avoid confusion

m=-4

b=2 (when you substitute the y intercept as b, b is the value of y in the point)

Now substitute into the equation

y=-4x+2

Hope this helps!

6 0
2 years ago
On an architect's blueprint, 1 inch corresponds to 8 feet. Find the length of a wall represented by a line 1 1/8 inches long on
Keith_Richards [23]
The problem is simply asking as to convert the measurement from the smaller scale to the actual scale. For this, we simply multiply the factor to the smaller measurement. We do as follows:

Length = 1 1/8 x 8 = 9 ft

Hope this helps.
4 0
3 years ago
Read 2 more answers
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