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iris [78.8K]
3 years ago
5

How do you solve 87% of 3

Mathematics
2 answers:
just olya [345]3 years ago
7 0

See picture for solution to your problem.

Irina-Kira [14]3 years ago
6 0

87 x 3 divided by 100 =2.61

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In triangle ABC, what is the length of side bif B = 48°, C= 81°, and c= 25?
Mashcka [7]

Answer: The correct option is D: Is alloyed with carbon and chromium to make stainless steel.

Explanation:  Because of its physical characteristics, iron is a material that tends to oxidize easily. With the chromium alloy stainless steel is created, which for its quality can be used in the manufacture of structural steels.

7 0
3 years ago
Let $r$ and $s$ be the roots of $3x^2 + 4x + 12 = 0.$ Find $r^2 + s^2.$ Pls help.
nirvana33 [79]

Answer:

-56/9

Step-by-step explanation:

By Vieta's formulas,

$r + s = -\frac{4}{3}$ and $rs = \frac{12}{3} = 4.$ Squaring the equation $r + s = -\frac{4}{3},$ we get

$r^2 + 2rs + s^2 = \frac{16}{9}.$ Therefore,

$r^2 + s^2 = \frac{16}{9} - 2rs = \frac{16}{9} - 2 \cdot 4 = -\frac{56}{9}}$

5 0
3 years ago
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bulgar [2K]
SA=bxh
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45/2
22.5 in squared
8 0
3 years ago
Rearranging literal equations!! really confused ASAPplease
valina [46]

Answer:

b = \frac{8a-55}{5-a}

Step-by-step explanation:

To clear the radicals square both sides

\frac{1}{6-a} = \frac{8+b}{b-7} ( cross- multiply )

(6 - a)(8 + b) = b - 7 ← expand factors on left using FOIL

48 + 6b - 8a - ab = b - 7 ( subtract 48 from both sides )

6b - 8a - ab = b - 55 ( add 8a to both sides )

6b - ab = b - 55 + 8a ( subtract b from both sides )

6b - ab - b = 8a - 55, that is

5b - ab = 8a - 55 ← factor out b from each term on the left side )

b(5 - a) = 8a - 55 ← divide both sides by (5 - a)

b = \frac{8a-55}{5-a}

7 0
3 years ago
PLEASE HELP GIVING BRAINLIEST
77julia77 [94]

Answer:

The answer is A)

Step-by-step explanation:

When the plane length increases, the force required gets reduced while the plane height stays the same.

<em>Hope this helps!</em>

3 0
2 years ago
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