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hjlf
3 years ago
8

Solve this in quadratic formula please and thank you.

Mathematics
1 answer:
Alecsey [184]3 years ago
5 0

Answer:

(2/3) + or - .943<em>i</em>

Step-by-step explanation:

Use quadratic formula.

x = \frac{-b \frac{+}{}\sqrt{b^2 - 4ac}  }{2a}

A = 3

B = -4

C = 4

\sqrt{16 - 2(3)(4)} = \sqrt{-8} or 2.828<em>i</em>

4/6= 2/3

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Please help and give explanation
Firlakuza [10]

Answer:

100 mins

Step-by-step explanation:

total no of gallons pool can hold=4500

gallons pool already holds=1500

rate of adding water= 30 gallons per min

time he can continue filing= 4500-1500/30

=3000/30

=100 minutes (m value)

correct me if I'm wrong appreciate me if I'm good

8 0
3 years ago
Find the quotient of 2,300 and (0.4 · 10-8). In your final answer, include all of your calculations.
BigorU [14]
The first number in this item can be also expressed as 2.3 x 10³. Now, dividing the numbers 2.3 and 0.4 will give us an answer of 5.75. There exists a rule which states that when two similar numbers are divided only having different exponents, their exponents should be subtracted. The final answer to this item is therefore,
                                    5.75 x 10¹¹
5 0
3 years ago
Four of the same textbooks contain a total of 848 pages. Which represents the total number of pages, y, of any number of the sam
Brilliant_brown [7]

Answer:

The best option is c

Step-by-step explanation:

The same textbooks contains a total of 848 pages . Which represent the total number of pages , y , of any number of the same textbooks , x.

The number of same text book = x

Each of this textbook contains a total of 848 pages .

The total number of pages can be computed as

y = 848x

for 4 same text book

y = 848 × 4 = 3392 pages

for 3 same text book

y = 848 × 3= 2544 pages

for 7 same text book

y = 848 × 7 = 5936 pages

for 8 same text book

y = 848 × 8 = 6784 pages

for 11 same text book

y = 848 × 11 = 9328 pages

3 0
3 years ago
Read 2 more answers
Rational number<br> between 2 and 3?
oksian1 [2.3K]

Answer:

it would be 7 and 8

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
1. If f(x) = 2x - 3, find the following:<br> a. f(-2) =<br> b. f(7) =<br> c. f(-4) =
Pavlova-9 [17]
A. 2(-2) - 3
-4 - 3
-7

b. 2(7) - 3
14 - 3
11

2(-4) - 3
-8 - 3
- 11
5 0
2 years ago
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