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3 years ago

Need helpp fastt plss will give brainliest to who is correct plss helpp

Mathematics

1 answer:

Citrus2011 [14]3 years ago

6 0

Answer:

333 inches = 27.75 feet = 9.25 yards

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Nathan drove 275.2 miles on 8 gallons of gas. Divide 275.2 by 8 to find the average number of miles per gallon for Nathan's car.

Maslowich

34.4 miles per gallon

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3 years ago

Read 2 more answers

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

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

Then:

$D=(-10)^2-4(-1)(-34)=-36$

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

3 0

3 years ago

Find the value if x. Please check if I’m right!

Bad White [126]

Answer:

x=77

Step-by-step explanation:

Since both triangles are congruent, the angles will also be equal. Hence, x=77 degrees.

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3 years ago

Help please 60 points who ever gets it right gets Brainliest

Leviafan [203]

Answer:

Step-by-step explanation:

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3 years ago

Distance measured in miles distance measured in yards 1 5

insens350 [35]

You can use ruler and stuff and yea

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3 years ago