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dangina [55]
3 years ago
9

A man is 25 years old. His mother is exactly three times his age. How old will the man's mother

Mathematics
2 answers:
zepelin [54]3 years ago
4 0
105 if she is not dead yet
Andrews [41]3 years ago
4 0

Answer:85

Step-by-step explanation:

25x3 is 75 so in ten years she will be 85

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Two functions are combined resulting in the function j(x) = –3x2 + 5.
labwork [276]

Answer:

two quadratic functions combined by addition

a linear function and a quadratic function combined by addition

two linear functions combined by multiplication

Step-by-step explanation:

-3x² + 5

(-4x² + 4) + (x² + 1)

-3x² + 5

(-3x² - x) + (x + 5)

-3x² + 5

(sqrt(5) - sqrt(3)x)(sqrt(5) + sqrt(3)x)

7 0
3 years ago
PLEASE HELP
Anna11 [10]
1. A. y and 1.2y are like terms. c they both contain the same term (y) and can therefore be combined.

2. B. 12x+11 (you have to combine the like terms)

3. 15y+18-4
C. 15y+14 (you must distribute the 3 to inside the parentheses, so 3×5y and 3×6)

4. 9(9-3p) (you have to find a common factor between the terms, in this case 9, and you place it on the outside of the parentheses, while dividing that factor from those terms, which are placed in parentheses.
6 0
3 years ago
Rudy invested $2460 in a money market account for 3 and 1/2 years. He earned $452 in simple interest. Which best represents the
antiseptic1488 [7]

Answer:

B. 5 and 1/4 percent

Step-by-step explanation:

Step one:

given

principal= $2460

time= 3 and 1/2 years= 3.5 years

SI= $452

Required

The rate

Step two:

we know that

SI= PRT/100

substituting our data we have

452= 2460*R*3.5/100

452=8610R/100

cross multiply

452*100= 8610R

divide both sides by 8610

45200/8610= R

R= 5.25%

R= 5 and 1/4 percent

6 0
3 years ago
School is canceled tomorrow or we are going hiking.​
Alex787 [66]

Answer:

nice

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Log 3=.4771 log 5=.6990 find the value of log 150​
raketka [301]

Answer:

2.17609

Step-by-step explanation:

Easiest and fastest way is to just directly plug log base 10 of 150 into the calc, as it is a nasty decimal.

4 0
3 years ago
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