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worty [1.4K]
3 years ago
13

What is 5(7-2)-4x4????

Mathematics
2 answers:
Gnoma [55]3 years ago
4 0

What is 5(7-2)-4x4=9

9 is ur anser

Hope this helps!!!

irina1246 [14]3 years ago
4 0

Answer:

The answer is 9

Step-by-step explanation:

5(7-2)-4x4

solve in the parentheses:

5x5-4x4

do all multiplication:

25-16

do subtraction:

9

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What are the zeros of (x-2)(x^2-9)
WARRIOR [948]
(x-2)(x^2-9)=0\iff x-2=0\ or\ x^2-9=0\\\\x-2=0\ \ \ \ |add\ 2\ to\ both\ sides\\\\\boxed{x=2}\\\\x^2-9=0\ \ \ \ |add\ 9\ to\ both\ sides\\\\x^2=9\iff x=\pm\sqrt9\to \boxed{x=-3\ or\ x=3}\\\\Answer:\boxed{x=-3\ or\ x=2\ or\ x=3}
3 0
3 years ago
Find the prime factorization of 837.<br> ?
seraphim [82]

Answer:

The Prime Factorization is:

3 x 3 x 3 x 31

In Exponential Form:

33 x 311

Format:

3, 3, 3, 31

Step-by-step explanation:

5 0
3 years ago
The price of a new car was $12 500 It is reduced to £11 625 Work out the percentage reduction
cricket20 [7]
Answer:

12,500-11,625=875

875/12,500=7/100

7/100*100=7

The percentage reduction is 7%

P.S * represents multiplication
4 0
2 years ago
Meauring the speed of a car at 60 mph would be an example of quantitative data.<br> True<br> False
Kobotan [32]

Answer:

True

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
In an all boys school, the heights of the student body are normally distributed with a mean of 70 inches and a standard deviatio
almond37 [142]

Answer:

0.010

Step-by-step explanation:

We solve the above question using z score formula

z = (x-μ)/σ, where

x is the raw score = 63 inches

μ is the population mean = 70 inches

σ is the population standard deviation = 3 inches

For x shorter than 63 inches = x < 63

Z score = x - μ/σ

= 63 - 70/3

= -2.33333

Probability value from Z-Table:

P(x<63) = 0.0098153

Approximately to the nearest thousandth = 0.010

Therefore, the probability that a randomly selected student will be shorter than 63 inches tall, to the nearest thousandth is 0.010.

3 0
2 years ago
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