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Cloud [144]
3 years ago
15

3 × 1 1/2 as a mixed number in simplest form

Mathematics
2 answers:
Anna11 [10]3 years ago
3 0

Answer:

1.5 - 1 1/5 = 3

10

= 0.3

Step-by-step explanation:


BaLLatris [955]3 years ago
3 0
3 x 1 1/2 as a mixed number in simplest form is 4.5
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Abby's auto wash earns revenues of $14 per customer. After serving 2 customer, how much revenue will abby's auto wash have?​
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Answer:14+14=28

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(11 BRAINLY POINTS!!) Which of the following numbers can be expressed as a decimal that terminates?
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Answer:

I believe that it is b

Step-by-step explanation:

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Solve the polynomial inequality x^2-3x-10>0
djverab [1.8K]

As x² - 3x - 10 factors, we can use the zero product property and pull it apart into factors. It factors because 2 and 5 have a difference of 3 and product of 10

x² - 3x - 10 > 0

(x - 5)(x + 2) > 0

To find where the inequality is true, we use a sign test. When x-5 > 0, it means x >5, and 5 is one of our sign test values. Similarly, -2 is the other. We can then make three intervals - A (less than -2), B (between -2 and 5), and C (more than 5).

<--------------- -2 ------------------ 5 -------------------------->

A B C

To do a sign test, we choose values to see what happens. First, test x = -5.

(-5 - 5)(-5 + 2) = (-10)(-3) = 30. Because 30 > 0, the inequality is true for x < -2. So interval A is true.

Next, test x = 0.

(0 - 5) (0 + 2) = (-5)(2) = -10. Because -10 < 0 is false, the inequality is false for x > -2 and x < 5. So interval B is false.

Last, test x = 10

(10 - 5) (10 + 2) = (5) (8) = 40. Because 40 > 0 is true, the inequality is true for x > 5. So interval C is true.

We put the true intervals together.

(-∞, -2) ∪ (5, ∞) is where this inequality is true,

{x : x < -2 or x > 5} is also how it's said in set notation.

7 0
3 years ago
BRAINLIEST Another submarine's descent can be represented as y = -240x, where y is the elevation and x is time in hours. How lon
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Answer:

164

Step-by-step explanation:

3 0
2 years ago
x^2+1/2x+1/16=4/9 Factor the perfect-square trinomial on the left side of the equation. (x + )² = 4/9
Nezavi [6.7K]
The missing number is the square-root of the constant term on the left-hand-side, which equals sqrt(1/16)=1/sqrt(16)=1/4.
Check:
(x+1/4)^2=x^2+2*(1/4)x+(1/4)^2=x^2+x/2+1/16.   ok

Answer: x= 1/4
5 0
3 years ago
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