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2 years ago

Find the slope of the line passing through the two points: (4,3) and (-6, 3)

Mathematics

1 answer:

Gwar [14]2 years ago

3 0

Answer:

Step-by-step explanation:

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A bag contains pennies and nickels. You are given the number of pennies in the bag

stira [4]

There are 3 nickels because if you use the ratio 6 to 1 you multiply 6 by 3 to get 18 pennies and you do the same with the one and that’s how I got 3 nickels.

6 0

2 years ago

For question 25 please pick 1,2,3 or 4

Juli2301 [7.4K]

Answer:

$x=\frac{2}{3} \pm \frac{1}{6}i \sqrt{158}$

Step-by-step explanation:

$18x^2-24x+87=0$

Using Quadratic Formula

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

$x=\frac{-\left(-24\right)\pm \sqrt{\left(-24\right)^2-4\cdot \:18\cdot \:87}}{2\cdot \:18}$

Solving the discriminant:

$\Delta = \left(-24\right)^2-4\cdot \:18\cdot \:87\\\Delta = 576-6264\\ \Delta=-5688$

$x= \frac{24 \pm \sqrt{-5688} }{36}$

$x= \frac{24 \pm \sqrt{5688i} }{36}$

Once $\sqrt{5688} =\sqrt{2^3\cdot \:3^2\cdot \:79}=6\sqrt{158}$

$x=\frac{24\pm6\sqrt{158}i}{36}$

Dividing the denominator and numerator by 6

$x=\frac{4\pm \sqrt{158}i}{6}$

Now rewrite it:

$x=\frac{4}{6} \pm i\frac{\sqrt{158}}{6}$

$x=\frac{2}{3} \pm i \frac{\sqrt{158}}{6}$

$x=\frac{2}{3} \pm \frac{1}{6}i \sqrt{158}$

5 0

3 years ago

4' 1" − 1' 10" = help me out

Alborosie

Answer: 3’ 3”

Step-by-step explanation:

3 0

3 years ago

Help! Find the value of x to the nearest hundredth

Luden [163]

Question 9:

cos x = 10/36

Take the inverse on both sides.

arccos(cos x) = arccos(10/36)

x = 73.8723797868

x = 73.87

Question 10:

tan 89 = x

57.2899616308 = x

57.29

6 0

2 years ago

About 11/12 of a golf course is in the fairways, 1/18 in the greens, the rest in the trees. What part of the golf course is in t

skad [1K]

That would be 1 - 11/12 - 1/18 = 36/36 - 33/36 - 2/36 = 1/36 answer

8 0

3 years ago