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3 years ago

6

What is the probability you roll a 1 or 3?

1 answer:

jekas [21]3 years ago

8 0

The chance is 1/3 you will

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X(2x-5) = 12<br><br> How to solve for x?

vlabodo [156]

Answer:

$x=4,\:x=-\frac{3}{2}$

Step-by-step explanation:

$x\left(2x-5\right)$

Apply the distributive law.

$=x\cdot \:2x-x\cdot \:5$
$=2x^2-5x$
$2x^2-5x=12$
Subtract 12 from both sides.
$2x^2-5x-12=12-12$
$2x^2-5x-12=0$
Now, apply the quadratic formula.
$x_{1,\:2}=\frac{-\left(-5\right)\pm \sqrt{\left(-5\right)^2-4\cdot \:2\left(-12\right)}}{2\cdot \:2}$
$x_{1,\:2}=\frac{-\left(-5\right)\pm \:11}{2\cdot \:2}$
Separate the solutions.
$x_1=\frac{-\left(-5\right)+11}{2\cdot \:2},\:x_2=\frac{-\left(-5\right)-11}{2\cdot \:2}$
Simplify.
$x=4,\:x=-\frac{3}{2}$

5 0

2 years ago

What times what equals 88

Talja [164]

Eleven times eight = 88
Four times twenty-two = 88

6 0

3 years ago

Find the nth term for the<br> following sequences:<br> Q2)3, 9, 15, 21

elixir [45]

Answer:

$a_{n}$ = 6n - 3

Step-by-step explanation:

There is a common difference d between consecutive terms, that is

d = 9 - 3 = 15 - 9 = 21 - 15 = 6

This indicates the sequence is arithmetic with n th term

$a_{n}$ = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 3 and d = 6, then

$a_{n}$ = 3 + 6(n - 1) = 3 + 6n - 6 = 6n - 3

6 0

3 years ago

Complete the number sentence to show the distributive property. 7×6=

Semmy [17]

42 is the answer
merry Christmas and a happy new year :)

4 0

3 years ago

Read 2 more answers

Expression for the area of the rectangle shown. (A = length x

Mamont248 [21]

4(8x-2)
Distribute the 4
So it should be 32x-8

Hope it helps

5 0

3 years ago