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givi [52]
3 years ago
9

Convert: 3 1/2 into an improper fraction =

Mathematics
1 answer:
fredd [130]3 years ago
7 0

Answer:

7/2

Step-by-step explanation:

When turning a mixed number into an improper fraction you first multiply the denominator and the whole number together. Then you would add the numerator to the product. The denominator stays the same in the improper fraction and mixed number.

2*3=6

6+1=7

answer: 7/2

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Y = x^2 + 2x - 8 Solve with zeros
Katen [24]

Answer:

x=-4  x=2

Step-by-step explanation:

y = x^2 + 2x - 8

Set equal to zero

0 = x^2 + 2x - 8

Factor

What two numbers multiply to -8 and add to 2

4 * -2 = -8

4+-2 = 2

0=(x+4) ( x-2)

Using the zero product property

x+4 =0   x-2 =0

x=-4  x=2

6 0
3 years ago
Multiply: 2.7 × (–3) × (–1.2). A. –9.72 B. –10.8 C. 10.8 D. 9.72
Vikentia [17]

Answer:  \text{ D) } 9.72

Step-by-step explanation:

Here the give expression is,

2.7 \times(-3)\times (-1.2)

We can write,

2.7 \times(-3)\times (-1.2) = 2.7 \times 3.6  ( because -a\times -b = ab)

2.7 \times(-3)\times (-1.2) = 9.72

⇒ Option D is correct.

6 0
3 years ago
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Leah practices dance for 2 hours each week. Her younger sister Sonia practices dance for 0.8 the amount of time Leah practices.
galben [10]
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Answer:

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5 0
3 years ago
Rewrite in simplest rational exponent form √x • 4√x
nignag [31]

Answer:

4x

Step-by-step explanation:

\sqrt{x}  \cdot \sqrt{x}  = \sqrt{x^2}  = x^{ 2 \times \frac{1}{2}} = x

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2 years ago
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