Please help! Thanks

Mathematics

1 answer:

dsp733 years ago

8 0

From the given description, we can come up with the equations:

x<y
IxI>y

We can find the two numbers by guessing and checking:

If we plug in -5 for x and 3 for y, it satisfies both equations.

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Determine the value of a if one solution to the quadratic equation is x equals 5 + 3/2 I

Sindrei [870]

The value of a is $\frac{-9}{4}$

Step-by-step explanation:

1. Determine the other solution of x

If one value is 5 + $\frac{3}{2}$ then the other value is 5 - $\frac{3}{2}$

2. Use reverse technique to find the equation

(5 + $\frac{3}{2}$ ) (5 - $\frac{3}{2}$ ) = 0

25 - $\frac{-15}{2}$ + $\frac{15}{2}$ - $\frac{9x^{2} }{4}$ = 0

- $\frac{9x^{2} }{4}$ + 25 = 0

3. The equation is - $\frac{9x^{2} }{4}$ + 25 = 0

4. Find the value of a

a is the number with the variable $x^{2}$ therefore it is - $\frac{9}{4}$

Keyword: quadratic equation, solution

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4 years ago

Round $701.49 to the nearest ten cents.

guajiro [1.7K]

Answer:

D. $701.50

Step-by-step explanation:

Since we are rounding to the nearest tenth decimal, look in the hundredths place for the number to round up or down with. In this case, it is 9. That means the tenths place would round up to 5.

6 0

3 years ago

Help plz I don’t understand how to do this math below

ASHA 777 [7]

1. $\frac{1}{3} \times \frac{2}{5} \\ \frac{1 \times 2}{3 \times 5} = \frac{2}{15}$