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3 years ago

Find the value of x which ABCD must be a parallellogram? x =

Mathematics

1 answer:

aev [14]3 years ago

3 0

$If\ ABCD\ is\ a\ parallelogram,\ then\\\\2x-1=x+3\ \ \ |add\ 1\ to\ both\ sides\\\\2x=x+4\ \ \ \ |subtract\ x\ from\ both\ sides\\\\\boxed{x=4}$

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4/5 n = 9/10<br>solve n

Alex787 [66]

N =9/8
n = 1 1/8

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6 0

3 years ago

What is the probability that a marble chosen at random is shaded or is labeled with a multiple of 3?

kiruha [24]

Answer:

six/eleventh

answer is last one

5 0

3 years ago

Read 2 more answers

Which ordered pair is a solution to the system of equations?

melisa1 [442]

Answer:

(-2, -3)

Step-by-step explanation:

We assume your system of equations is ...

2x - y = -1
2x -4y = 8

You can subtract the second equation from the first to get

... (2x -y) -(2x -4y) = (-1) -(8)

... 3y = -9 . . . . . collect terms

... y = -3 . . . . . . divide by 3 . . . . this is sufficient to identify the correct answer

Substituting into the first equation, we have ...

... 2x -(-3) = -1

... 2x = -4 . . . . . add -3

... x = -2 . . . . . . .divide by 2

Now, we're sure the answer is (x, y) = (-2, -3).

3 0

3 years ago

levi finds a skateboard that sells 139.99. the store charges 6% sales tax about how much money will he have to spend for his ska

umka21 [38]

The amount Levi spends on this skateboard is $148.39.

Tax is an amount levied on goods and services by the government. Taxes increases the price of goods and services.

The amount Levi spends on this skateboard = value of the tax + cost of the skateboard

value of the tax = 6% x $139.99

0,06 x $139.99 = $8.40

The amount Levi spends on this skateboard = $8.40 + $139.99 = $148.39

To learn more about taxes, please check: brainly.com/question/19540033

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2 years ago

For each ordered pair (x, y), determine whether it is a solution to the inequality 4x+8y5-8. Is it a solution? Yes No O (6, – 4)

avanturin [10]

Given inequality is:

$4x+8y\leq-8$

Now for (6,-4), Put x=6 nd y=-4 in given inequality:

$\begin{gathered} 4(6)+8(-4)\leq-8 \\ 24-32\leq-8 \\ -8\leq-8 \end{gathered}$

So for (6,-4) this inequality is true.

For (-2,-3) put x=-2 and y=-3 in given inequality:

$\begin{gathered} 4(-2)+8(-3)\leq-8 \\ -8-24\leq-8 \\ -32\leq-8 \end{gathered}$

As -32 is less than -8 then this condition is also true.

simillarly you can check for other options also.

For (-7,5) Put x=-7 and y=5 in given inequality:

$\begin{gathered} 4(-7)+8(5)\leq-8 \\ -28+40\leq-8 \\ 12\leq-8 \end{gathered}$

As 12 is grater than -8 so this condition is false.

And for (-6,0) put x=-6 and y=0 in given inequality:

$\begin{gathered} 4(-6)+8(0)\leq-8 \\ -24\leq-8 \end{gathered}$

As -24 is less than -8 so it is true.

4 0

1 year ago