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2 years ago

7

Find the Area of each triangle. Round intermediate values to the nearest tenth. Use the rounded values to calculate the next val

ue. Round your final answer to the nearest tenth.

2 answers:

Hitman42 [59]2 years ago

5 0

Answer:

its 7 bro trust

Step-by-step explanation:

natulia [17]2 years ago

5 0

Answer: 15!

Step-by-step explanation:

You do 1/2 x (5=base) x (6= height)

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3 years ago

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PLEASE HELP ASAP

maria [59]

Answer:

First option: $3x^2-5x=-8$

Second option: $2x^2=6x-5$

Fourth option: $-x^2-10x=34$

Step-by-step explanation:

Rewrite each equation in the form $ax^2+bx+c=0$ and then use the Discriminant formula for each equation. This is:

$D=b^2-4ac$

1) For $3x^2-5x=-8$ :

$3x^2-5x+8=0$

Then:

$D=(-5)^2-4(3)(8)=-71$

Since $D$ this equation has no real solutions, but has two complex solutions.

2) For $2x^2=6x-5$ :

$2x^2-6x+5=0$

Then:

$D=(-6)^2-4(2)(5)=-4$

Since $D$ this equation has no real solutions, but has two complex solutions.

3) For $12x=9x^2+4$ :

$9x^2-12x+4=0$

Then:

$D=(-12)^2-4(9)(4)=0$

Since $D=0$ this equation has one real solution.

4) For $-x^2-10x=34$ :

$-x^2-10x-34=0$

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3 years ago

Between which pair of numbers is the exact product of 379 and 8 ?

ella [17]

387

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4 years ago

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The mean for a set of 5 numbers is 24. Four of the numbers 18,30,24, and 27. What is the fifth number?

ioda

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3 years ago

15pts please help asap<br> 2.5 as an improper fraction?

RideAnS [48]

2.5 = 2 5/10 as a Mixed fraction

To get a improper fraction, multiply the whole number with the denominator, and then add the numerator to the answer, giving the numerator (keep the denominator number)

2 x 10 = 20
20 + 5 = 25

25/10 is your answer

hope this helps

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3 years ago