3 years ago

Factor the linear expression 50x-30

Mathematics

1 answer:

Umnica [9.8K]3 years ago

4 0

Answer:

10 (5x−3)

Hope this helps!

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You roll a die. What's the theoretical probability of rolling a number greater than 2?

BARSIC [14]

Answer: if the dice is six sided you have 4 chances to roll a higher number

Step-by-step explanation:

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3 years ago

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You borrow $2250 at 4.8% compounded weekly for tuition. While you do not have to make payments for the 5 years that you are in s

Cloud [144]

Answer:

432

Step-by-step explanation:

2250x4.8=10,800

5x5=25

10,800/25=432

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3 years ago

Which of the following is a root of the polynomial shown below?

Mademuasel [1]

Answer:

We conclude that option A is true as x = 1 is the root of the polynomial.

Step-by-step explanation:

Given the polynomial

$f\left(x\right)\:=\:x^2\:+\:2x^2\:-\:x-2$

Let us determine the root of the polynomial shown below.

$\:0=\:x^2\:+\:2x^2\:-\:x-2$

$0=3x^2-x-2$

switch sides

$3x^2-x-2=0$

$3x^2-x-2=\left(3x+2\right)\left(x-1\right)$

so the equation becomes

$\left(3x+2\right)\left(x-1\right)=0$

Using the zero factor principle

$3x+2=0\quad \mathrm{or}\quad \:x-1=0$

solving

$3x+2=0$

$3x=-2$

$\frac{3x}{3}=\frac{-2}{3}$

$x=-\frac{2}{3}$

and

$x-1=0$

$x=1$

The possible roots of the polynomial will be:

$x=-\frac{2}{3},\:x=1$

Therefore, from the mentioned options, we conclude that option A is true as x = 1 is the root of the polynomial.

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3 years ago

Find the value of x that makes:

Svetllana [295]

Answer:

correct value of x = 5

Step-by-step explanation:

$\frac{ {( - 2)}^{4x + 2} }{ {( - 2)}^{2x} } = {( - 2)}^{12} \\ = \frac{ {( - 2)}^{4 \times 5 + 2} }{ { ( - 2)}^{2 \times 5 } } \\ = \frac{ {( - 2)}^{22} }{ { ( - 2)}^{10} } \\ = \frac{4194304}{1024} \\ = 4096 = 4096(i.e \: {( - 12)}^{12} = 4096) \\$

8 0

3 years ago

$20,000 is borrowed at an interest rate of 15% p.a. (per annum) to be paid back over 10

leonid [27]

Answer:

30000 simple interest ,50000 total repayment.

Step-by-step explanation:

sorry iam terrible at explaining,

3 0

3 years ago