PLEASEEEEEEEEEEEEEEEEEEEEEEE HELP ME!!!!

Mathematics

1 answer:

Setler79 [48]3 years ago

4 0

I’m pretty sure it’s 9/10 - 2/5. I’m sorry If it’s wrong

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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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8 0

3 years ago

X + 2 > -8 a. x > -6 b. x > -10 c. x <-10 d. x < -6

PSYCHO15rus [73]

The answer is: [B]: x > -10
__________________________
Explanation:
___________
Given the inequality:
___________
→ x + 2 > - 8 ;
____________
→ Subtract "2" from EACH side; to isolate "x" on one side; and solve, or simplify, for "x" ;
_______________________
→ x + 2 − 2 > - 8 − 2 ; to get:
_______________________
→ x > -10 ; which is: 'Answer choice: [B]'.
_______________________

6 0

3 years ago

Help asap please!! Find the measure of y. A. 43 B. 53 C. 90 D. 47

Amiraneli [1.4K]

Answer:

$y=43$