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kirza4 [7]
4 years ago
7

3x^2+2x-5=0 Determine the number and type of solution(s) ?

Mathematics
1 answer:
andrew11 [14]4 years ago
4 0

Step-by-step explanation:

3x^2+2x-5=0

+5 | +5

--------------------------

3x^2+2x=5

---- ----

2. 2

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L
bonufazy [111]

Answer:

Result = 124.6

Step-by-step explanation:

If the digit after tenth is greater than or equal to 5, add 1 to tenth. Else remove the digit. Example

124.58

The first number of right of decimal point is 5

The second digit after decimal point is 8 which is greater than 5

So add 1 to 5

Result = 124.6

6 0
3 years ago
i have 100% in the class, but the cumulative final is next week. what if i fall on the final, how many percent will i have after
Alex

Answer:

How much will a 60 affect my grade?

If it is a test grade, which in my school they are worth 60%, then it will bring you down by pretty much a whole lot, probably about 7–10 points. If it is a 20% weight it will only bring it down by about 2–3 points.

Step-by-step explanation:

8 0
2 years ago
Mr. Tanaka is 35 years old, and his son is 5.  In how many years will Mr. Tanaka be exactly three times as old as his son?( show
Kisachek [45]

Answer:

10 years.

Step-by-step explanation:

Present age of Mr. Tanaka = 35 years

Present age of his son = 5 years

Now let the number of years be x. As after x years both of their age will increased by x years, therefore

After x years age of Mr. Tanaka = 35 + x

After x years age of his son = 5 + x

According to question,

Mr.Tanaka's age after x years = 3 (His son's age after x years)

35 + x = 3 (5 + x)

Further solving,

35 + x = 15 + 3x

3x - x = 35 - 15

2x = 20

x = 10

Therefore after 10 years Mr. Tanaka's age will be exactly three times as old as his son. As after 10 years Mr. tanaka's age will be 45 and his son's age will be 15.

7 0
4 years ago
Simplify the expression <br> -12n/35-13n/35
-BARSIC- [3]
-12n/35-13n/35
= (-12n-13n)/35
= -25n/35
= - 5n/7
8 0
3 years ago
0.4 times by 3.7<br>multiplying by decimals
fomenos
3.7
x. .4
_______
148

then use the same number of decimals as are in the first two numbers added together. both have 1 so we need two decimals

1.48
6 0
4 years ago
Read 2 more answers
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