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Ratling [72]
3 years ago
13

7

Mathematics
2 answers:
kipiarov [429]3 years ago
8 0

Hope it a right answer for you

ipn [44]3 years ago
5 0

Answer:

Removing the number 7 wont change the median nor the range

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Point K on the number line shows Kelvin's score after the first round of a quiz: A number line is shown from negative 10 to 0 to
Ierofanga [76]

Answer:

The correct option is;

3 + (-9) = -6, because -6 is 9 units to the left of 3

Step-by-step explanation:

The given information are;

Kelvin's score after the first round is shown at point K on the number line

The range of numbers on the number line = -10 to +10

The position of point K after the first round = +3

The number of points Kevin lost in the second round = 9 points

Therefore, Kevin's cumulative score = +3 - 9 = -6

Therefore, the expression that shows how many total points he has at the end is of round 2 = 3 + (-9) = -6, because -6 is 9 units to the left of 3.

7 0
3 years ago
Please help!
mr Goodwill [35]

Answer:

1. \sqrt{74} ft    2. 50\sqrt{2} yards     3. 5\sqrt{35} units.

Step-by-step explanation:

Pythagorean's Theorem a^2 + b^2 = c^2

A and b are both side lengths, c is the hypotenuse.

7^2 + 5^2 = 74

sqrt(74) is the answer for 1.

30^2 - 5^2 = 875

Simplify the radical. sqrt(875) --> 5sqrt(35). The answer for three.

There's a rule in geometry that says a diagonal of a square is the same length as taking a side length times the square root of two. There's your answer for two.

7 0
3 years ago
What is the quadratic formula of 4x2+3x+5=0
maxonik [38]
4x² + 3x + 5 = 0
x = <u>-3 +/- √(3² - 4(4)(5))</u>
                   2(4)
x = <u>-3 +/- √(9 - 80)</u>
                 8
x = <u>-3 +/- √(-71)
</u>                8<u>
</u>x = <u>-3 +/- √(71 × (-1))</u>
                   8
x = <u>-3 +/- √(71) × √(-1)
</u>                    8<u>
</u>x = <u>-3 +/- 8.43i
</u>              8
x = -0.375 +/- 1.05375i
x = -0.375 + 1.05375i      x = -0.375 - 1.05375i
<u />
3 0
3 years ago
Triangle ABC has vertices A(–2, –3), B(–5, –3), and C(–4, –2). The triangle is rotated 90° counterclockwise around the origin.
Ulleksa [173]
The rule for this rotation is (x, y) converted into (-y, x). So, to find the answer you would make the y negative and switch the values in the ordered pair. A would be (3, -2), B would be (3, -5), and C would be (2, -4). So, your answer would be B. Hope this helps!
4 0
3 years ago
Read 2 more answers
What is the solution to the equation w+6=5w-10
docker41 [41]

Answer:

w = 4

Step-by-step explanation:

you would do this by re-arranging the equation

6 = 5w-10-w (move w to the other side)

6 = 4w-10 (because 5w-w = 4w)

6+10=4w (move 10 to the other side)

16 = 4w (add 6 and 10)

4 = w (divide both sides by 4)

6 0
3 years ago
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