3 years ago

Find x if (117 + x)(V17 – x) = 12.

Mathematics

1 answer:

liraira [26]3 years ago

8 0

Answer: x = ±√145

Step-by-step explanation:

√(17 + x) × √(17 - x) = 12

√(17 + x) (17 - x) = 12

Squaring both sides,

(√(17 + x) (17 - x))^2 = 12^2

(17 + x) (17 - x) = 144

17(17 - x) + x(17 - x) = 144

289 - 17x + 17x - x^2 = 144

x^2 = 289 - 144

x^2 = 145

x = ±√145

You might be interested in

Please solve 5q+6=2q-2+q.

son4ous [18]

Answer:

q= -4

Step-by-step explanation:

$5q + 6 = 2 q- 2 + q$

Collect like terms and simplify

$5q - 2q - q = - 2 - 6 \\ 2q = - 8$

Divide both sides of the equation by 2

$\frac{2q}{2} = \frac{ - 8}{2} \\$

Simplify

$q = - 4$

4 0

3 years ago

Read 2 more answers

Choose the best estimate for the weight of a strawberry A 1 ounce B 8 ounces

ASHA 777 [7]

Answer:1 ounce

Step-by-step explanation:

5 0

3 years ago

What is the answer to this equation?<br><br> -3y > -14

kirill [66]

Answer:

y < 14/3

Step-by-step explanation:

You can immediately negate the negative from both sides by canceling the -1.

Divide both sides by 3, when you divide a < or > by anything you have to switch the sign it faces. So in this case

-3y > -14

=> 3y < 14

y < 14/3

3 0

2 years ago

A basketball player has already scored 56 points in a game the team record for points in a game is 72 which equation with allow

Anna11 [10]

56 + x = 72 <== ur equation

8 0

3 years ago

Read 2 more answers

The tape diagram represents 100%l

hammer [34]

Answer:

40%

Step-by-step explanation:

Number of blocks shaded = 2

Total blocks = 5

Percentage: 2 ÷ 5 × 100

= 40 %

6 0

3 years ago

Read 2 more answers