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vaieri [72.5K]
3 years ago
12

⦁ Solve for x: 3|x – 7| = 15 SHOW WORK

Mathematics
2 answers:
nasty-shy [4]3 years ago
5 0
Ez way to do it use distribution 3x-21=15 add 21 to 15 =36
3x=36 divided by 3 both side x=12 x=2
Anna007 [38]3 years ago
4 0

3|x-7| = 15\\\\\implies |x-7|  =\dfrac{15}3\\\\\implies |x -7| = 5\\\\\implies x -7 = 5 ~~ \text{or}~ x - 7 = -5\\\\\implies x = 12 ~~\text{or}~~ x = 2

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Our principal has to travel from one city to the next city at an average speed of 50km/hr. Compute for the distance between 2 ci
astra-53 [7]

Answer:

The answer is false or "impossible"

Step-by-step explanation:

Heres why I say this:

If the “average speed” in one hour make the car travel 50km, it means the speed could not be constant. So, it could be 90km/h during the first 30 minutes and 10km/h during the second 30 minutes. If this is the case, for example, in the next 12 minutes after the first hour, the car could be traveled 18km at 90km/h, completing 50 + 18 = 68km. The tricky word “average” makes it impossible to answer. Good try, but no cigar.

7 0
3 years ago
Find the quotient 25) 8525 A 215 B. 305 C 341 D. 2141 E 3041​
Serhud [2]

Answer:

c

Step-by-step explanation:

because the product of 341 and 25 is 8525.

4 0
3 years ago
The manager of a money-market fund has invested $4.2 million in certificates of deposit that pay interest at the rate of 5.4% pe
Gnom [1K]

Answer:

549192.188 $

Step-by-step explanation:

Compounded interest is calculated each year based on the starting amount of that year.

To calculate compounded interest the following formula is used

A = P[1 + (\frac{r}{t})]^n^t

where

A = Amount at the end of the year

P = 4,200,000    (Principal amount at the start)

r = 0.054     (rate of interest, i.e. 5.4%)

n = 4       (compounding frequency in an year, i.e. quarterly)

t = 5        (number of years)

The solution will thus be

A = 4200000[1+\frac{0.054}{4}]^2^0

A = 549192.188

5 0
3 years ago
Find the value of x and y​
shtirl [24]
X=58

58-14= 44
44+58= 102
180-102= 78
78/2=39

Y=39
5 0
3 years ago
Read 2 more answers
At the kennel , there are 6 dogs for every 5 cats what is the ratio of dogs to cats
ryzh [129]

At the kennel , there are 6 dogs for every 5 cats what is the ratio of dogs to cats?

the ratio for 6 dog every 5 cats is


6 : 5 is your answer

3 0
4 years ago
Read 2 more answers
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