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3 years ago

ANSWER PLEASE 40 POINTS!

Mathematics

2 answers:

tangare [24]3 years ago

8 0

Answer: |10 - (-8)|

The absolute value is 18

Step-by-step explanation:

The distance between two numbers is a subtraction equation.

10 - (-8) Subtracting a negative is like adding a positive

10 + 8 = 18

If you look at it as the first negative sign means -1 multiplied by the next negative number, "Remember that a negative times a negative is a positive!"

sergiy2304 [10]3 years ago

6 0

Answer:

|-10 - (-8)|

Step-by-step explanation:

Distance from 10 to 0: 10
Distance from 0 to -8: 8
Put them together (with absolute value): |-10 - (-8)|

I hope this helps!

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2x^{3}+30xx^{2} +72x=0 solve using zero product property

Goshia [24]

Answer:

Values of x are: x=0 or x=-3 or x=-12

Step-by-step explanation:

The equation given to solve using zero product property is $2x^3+30x^2+72x=0$

Zero property rule states that if ab=0 then a=0 or b=0

Taking x common from the equation:

$2x^3+30x^2+72x=0\\x(2x^2+30x+72)=0\\$

Applying zero product rule

$x(2x^2+30x+72)=0\\x=0 \ or \ 2x^2+30x+72=0$

Now, solving $2x^2+30x+72=0$

Using quadratic formula to find value of x

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

Putting values

$$x=\frac{-30\pm\sqrt{(30)^2-4(2)(72)}}{2(2)}$\\$x=\frac{-30\pm\sqrt{324}}{4}$\\$x=\frac{-30\pm18}{4}$\\$x=\frac{-30+18}{4} \ or \ x=\frac{-30-18}{4}$ \\x=-3 \ or \ x=-12$

So, Values of x are: x=0 or x=-3 or x=-12

8 0

3 years ago

An amusement park sold 27 child tickets. The other 23 tickets it sold were adult tickets. What is the ratio of the number of adu

amm1812

Answer:

23/50

Step-by-step explanation:

27 + 23 = 50 (Implying that 50 is the total amount of tickets).

23 of them were sold to adults, so basically 23/50.

Remember a ratio can be written in 3 forms, so it can be either of these:

23:50

23/50

23 to 50

5 0

2 years ago

Find the perimeter of the following trapezoid: 6ft 8ft 2.5ft 2.5ft 2ft

kirill [66]

Answer:

Step-by-step explanation:

Add all the numbers together

6+8+2.5+2.5+2=21

6 0

3 years ago

The quotient of 24 and x equals 14 minus 2 times x.

antoniya [11.8K]

Answer:

X = 4, 3

Step-by-step explanation:

I don't know if that's what you were looking for

7 0

3 years ago

What is the value of 14 – 2 • 3 + 42? someone help me understand

xxMikexx [17]

Based on PEMDAS, in this expression, we need to do multiplication first, which is 2 times 3, which is 6. Now, the expression is 14-6+42. 14-6 is 8, and 8+42 is 50, so the answer is 50.

Hope this helps!

8 0

3 years ago

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