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3 years ago

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A certain triangle has a perimeter of 3059mi. The shortest side measures 79 mi less than the middle side and the longest side me

asures 372mi more than the middle side

1 answer:

sweet [91]3 years ago

8 0

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What two steps are necessary to put this equation into standard form?

andrew-mc [135]

X² - 3x + 27 = 8x - 3 аdd 3 to both sides ⇒
+ 3 + 3
---------------------------
x² - 3x + 30 = 8x subtract 8x from both sides ⇒<span>
- 8x - 8x
--------------------------
x</span>² - 11x + 30 = 0 ← <span>standard form
</span>

A. Add 3 to both sides and subtract 8x from both sides.

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2 years ago

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NEED ANSWER QUICKLY PLEASE

Sliva [168]

(3x -11) + 44 + (4x-7) = 180

3x - 11 + 44 + 4x - 7 = 180 like terms

7x +26 = 180

7x = 154

X = 22

Angle 1
3(22) -11
55
Angle 2
4(22) -7
81
So the largest angle is 81 degrees!

Hope this helps!
Brainliest is much appreciated!

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2 years ago

Subtract (x² + 5x – 6) – (3x^2 – 7x + 1).<br> What is the difference?

Lorico [155]

1. Distribute the Negative Signs
2. Combine like terms
-2x^2 + 12x-7

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3 years ago

A painting is 2 in tall and 3 in wide. If it is enlarged to a width of 15 in then how tall will it be?

vekshin1

Answer:

10 in

Step-by-step explanation:

Old proportions:

2 x 3

New proportions

h x 15

Assuming the painting has been increased by a constant scale factor.

Where x is the unknown scale factor, and h is the height after it has been enlarged.

$3 * x = 15\\2 * x = h$

Rearrange second equation:

$3 * x = 15\\x =\frac{h}{2}$

Substitute:

$3*\frac{h}{2} =15\\\frac{h}{2}=5\\h=10$

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3 years ago

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The pair of points lies on the same line with the given slope. Find x.

barxatty [35]

Can u answer my question in my profile

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2 years ago