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a_sh-v [17]
3 years ago
6

If 8x-10=3x+90 what is x​

Mathematics
1 answer:
Elan Coil [88]3 years ago
7 0

Answer:

x = 20

Step-by-step explanation:

8x - 10 = 3x + 90

5x = 100

x = 20

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Help meh please!!!!!!!!!
dalvyx [7]
4/10= 8/20, 2/5. For 8/20 u multiply 2 times and for 2/5 u divide by 2 

Hope that helps u
3 0
3 years ago
The sum of the roots of 3x 2 + 11x - 4 = 0 is<br><br> -11/3<br> -4/3<br> 11/3<br> 4/3
givi [52]

Answer:

The correct option is 1.

Step-by-step explanation:

If a quadratic equation is defined as

ax^2+bx+c=0             .... (1)

Then the sum of the roots is -b/a and the product of roots is c/a.

The given equation is

3x^2+11x-4=0          ... (2)

From (1) and (2) we get a=3, b=11 and c=-4.

The sum of roots is

\frac{-b}{a}=-\frac{11}{3}

The sum of roots is -\frac{11}{3}.

Therefore the correct option is 1.

5 0
3 years ago
Is 7/10 greater or less than or equal to 2/5?
seraphim [82]

Answer:

Greater than.

Step-by-step explanation:

\frac{2}{5} * 2 = \frac{4}{10}

5 0
3 years ago
Read 2 more answers
WILL GIVE BRAINLIEST IF CORRECT NOT TOO HARD JUST IN A RUSH!!!!!
STALIN [3.7K]

Answer:

22.5

Step-by-step explanation:

If you divide y/x each ticket costs $2.5, so multiply 2.5x9 and that's your answer. :)

3 0
3 years ago
If you miss the bus, then you will be late to school.
Tpy6a [65]

law of syllogism basically is a=b b=c then a=c

a = miss bus

c= detention

so if you miss the bus you get detention

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4 0
3 years ago
Read 2 more answers
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