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2 years ago

What is 7C3? Thanks.

Mathematics

2 answers:

Lerok [7]2 years ago

8 0

Answer:

C7,3=7!( 3!)( 7−3)!= 7! I think tell me if I'm wrong?

charle [14.2K]2 years ago

5 0

Answer:

7C3 = 7! / (7 - 3)! 3! = 7 x 6 x 5 x 4! / 4!

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Solve for X. (1 point) -ax + 3b > 5

Anarel [89]

Answer:

x<(3b-5)/a

Step-by-step explanation:

Subtract 3b from both sides: -ax>5-3b

Divide by -a, when dividing/multiplying a negative you flip the </> sign: x<(3b-5)/a

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3 years ago

Rectangle J'K'L'M' shown on the grid is the image of rectangle JKLM after transformation. The same transformation will be applie

timama [110]

Answer:

(16, 7)

Step-by-step explanation:

Given rectangle JKLM

As per graph, the rectangle J'K'L'M' is the transformation of JKLM

Based on one of the points we can calculate the transformation rule:

Let's use points K and K'

K((-4, -8) → K'(6, -5)
6 - (-4) = 10
-5 - (-8) = 3

So the rule is

(x', y') → (x + 10, y +3)

Trapezoid STUV:

Using point T(6, 4)

Applying same rule:

T' = (6 + 10, 4 +3) = (16, 7)

6 0

3 years ago

What is the answer to the equation x squared minus 2x equals 15.

anzhelika [568]

Answer:

$x = 5 \\ x = - 3$

Step-by-step explanation:

${x}^{2} - 2x = 15 \\ {x}^{2} - 2x - 15 = 0 \\ {x}^{2} + 3x - 5x - 15 = 0 \\ x(x + 3) - 5(x + 3) = 0 \\ (x - 5)(x + 3) = 0 \\ x - 5 = 0 \: \: \: \: \: or \: \: \: \: x + 3 = 0 \\ x = 5 \: \: \: \: or \: \: \: \: \: \: x = - 3$

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3 years ago

Need help on this please

Jobisdone [24]

Answer:

157.08m²

Step-by-step explanation:

Since the area of a circle is A=πr²

The radius is 10, so

A=π10²

A=314.16 (rounded to nearest hundredth)

Half of that is 157.08.

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2 years ago

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Elena-2011 [213]

1. 4/4

2. 4

3. 4-4/4

4. 4*4/4

5. 4+4/4

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3 years ago