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san4es73 [151]
2 years ago
12

Solve the inequality 4-X < 9.

Mathematics
1 answer:
anzhelika [568]2 years ago
6 0

Answer:

36

Step-by-step explanation:

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Write 30 : 84 as a ratio in simplest form
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15:42 ??? I think so. Have a good day.
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A water tank is being drained at a steady rate. The initial level of the water in the tank was 5.5 feet. The graph below shows t
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The answer would be C. to find this use the rise over run method

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3 years ago
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Which expression is a factor of 10x^2+11x+3
Ulleksa [173]

Answer:

The factors are (5x + 3) and (2x + 1)

Step-by-step explanation:

When you need to factor a quadratic, and the coefficient of the x² is not 1, use the slide and divide method.

The general form of a quadratic is ax² + bx + c

Factor:  10x² + 11x + 3

Here a = 10, b = 11, and c = 3

Step 1:  Multiply ac, we SLIDE a over to c.  Notice the 10 is gone for now..

    x² + 11x + 30

Step 2:    Factor this   (this step will always factor)

  x² + 11x + 30 = (x + 5)(x + 6)

So the factors are  (x + 5)(x + 6), but we now need to DIVIDE by a, since we multiplied it into c before.  We divide the constants in the factors...

   (x + 5/10 )(x + 6/10 )  

Now reduce the fractions as much as possible...

(x + 1/2 )(x + 3/5)

*If they don't reduce to a whole number, SLIDE the denominator over as a coefficient of x....

(2x + 1)(5x + 3)        *2 slide over in front of x, 5 slide over in front of x, the fractions are gone!

These are our factors!

5 0
3 years ago
Hi! Can anybody help me with these problems? I have to do 2 step equations.
Dovator [93]
1) 3.8x + 5.2x - 6.7 = 11.3
9x = 11.3 + 6.7
9x = 18
x = 18/9
x = 2

2) 7.8y - 4.9 - 5.4y = 2.3
2.4y = 7.2
y = 7.2/2.4
y = 3

3)

\frac{2}{3} x - 5 = 1
\frac{2}{3} x = 5 + 1
\frac{2}{3} x = 6

Multiply by 3 by both sides:

3 \times \frac{2}{3} x = 3 \times 6

Simplify:

2x = 18
x = 18/2
x = 9

4)

\frac{7}{5} y = 3 - \frac{1}{5}

Do lowest common denominator:

\frac{7}{5} y = \frac{(5 \times 3) - 1}{5}
\frac{7}{5} y = \frac{15 - 1}{5}
\frac{7}{5} y = \frac{14}{5}

Simplify by 5 by both sides:

7y = 14
y = \frac{14}{7}
y = 2
6 0
3 years ago
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PLESE HELP ASAP! WILL GIVE BRAINLIEST AND RATE!!
melisa1 [442]
The third option since they both will cross at 5-10 on the graph 
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2 years ago
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