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maw [93]
3 years ago
8

Please help!!! asap

Mathematics
1 answer:
MakcuM [25]3 years ago
6 0

Answer: y = x^2 + 6x+ 9 = 0. (X+3)^2= 0 when x=3. This has one root.

X^2-2x -24 = 0 a= 1 b=-1 and c= -24 x = {-(-1) +/- sqrt((-1)^2 -4 x 1 x (-24)}/2

X = [1 +/- sqrt(97)]/2

Step-by-step explanation:

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A water tank is in the shape of a cylinder with a diameter of 20 feet and a height of 20 feet. The tank is 70% full. About how m
fomenos

Answer:

32901 gallons

Step-by-step explanation:

First, we find the volume of the cylindrical water tank when it is full.

The volume of a cylinder is given as:

V = \pi r^2h

where r = radius and h = height of the cylinder

The diameter of the tank is 20 feet, hence, its radius is 10 feet.

Volume, V, is therefore:

V = \pi * 10^2*20 = 6283.19 ft^3

This is the volume of the tank, when it is full.

When it is 70% full, the volume will be:

\frac{70}{100} *  6283.19 = 4398.23 ft^3

1 cubic foot (ft^3) is 7.48 gallons.

Therefore, the volume of the 70% full tank in gallons will be:

4398.23 * 7.48 = 32901.05 gallons ≅ 32901 gallons

The tank contains 32901 gallons of water.

7 0
2 years ago
Read 2 more answers
Which list of values is ordered from least to greatest? A. |-6|, 0, 2, -|-5| B. -|-5|, |-4|, 2, 5 C. -9, -|-2|, 0, |9| D. |-10|,
Jlenok [28]

Answer:

C

Step-by-step explanation:

A simplifies to 6, 0, 2, -5

B simplifies to -5, 4, 2, 5

C simplifies to -9, -2, 0, 9

D simplifies to 10, -4, 1, 7

Only C is ordered from least (-9) to greatest (9).

5 0
2 years ago
PLEASE HELP ME!! [99 POINTS] ONLY ONE QUESTION PLEASE HELP
Mkey [24]
C represents a function


5 0
2 years ago
Read 2 more answers
The cheerleading squad received 1/4 of the total sales of foam fingers and pom poms at a pep rally the squad received a total of
tigry1 [53]

Answer:

102.56

Step-by-step explanation:

136.75 - 25% = 102.56

25% of 136.75 = 34.19

6 0
3 years ago
Alejandra currently has a balance of $2,254 in her checking account. She deposits a $873.84 paycheck, a $25 rebate check, and a
zaharov [31]

Answer:

$3160.84

Step-by-step explanation:

2254 + 873.84 + 25 + 358 = 3510.84

3510.84 - 350 = 3160.84

7 0
2 years ago
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