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kati45 [8]
3 years ago
7

Answer please it’s a big exam

Mathematics
2 answers:
lisabon 2012 [21]3 years ago
5 0
The answer to this question is 56
melomori [17]3 years ago
4 0

Answer:

Solve for be is 56

Step-by-step explanation:

That the answer

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What is the equation of the line that passes through the point (3, 0) and is perpendicular to the line 2x – y = 5?
Lisa [10]

Answer:

\large\boxed{y=-\dfrac{1}{2}x+\dfrac{3}{2}}

Step-by-step explanation:

\text{Let}\ k:y=_1x+b_1\ \text{and}\ l:y=m_2x+b_2.\\\\l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\============================\\\\\text{We have}\ 2x-y=5.\\\\\text{Convert to the slope-intercept form y = mx + b:}\\\\2x-y=5\qquad\text{subtract 2x from both sides}\\\\-y=-2x+5\qquad\text{change the signs}\\\\y=2x-5\to m_1=2\\\\\text{Therefore}\ m_2=-\dfrac{1}{2}.

\text{The equation of the searched line:}\ y=-\dfrac{1}{2}x+b.\\\\\text{The line passes through }(3,\ 0).\\\\\text{Put the coordinates of the point to the equation.}\ x=3,\ y=0:\\\\0=-\dfrac{1}{2}(3)+b\\\\0=-\dfrac{3}{2}+b\qquad\text{add}\ \dfrac{3}{2} \text{to both sides}\\\\b=\dfrac{3}{2}

8 0
3 years ago
12 9/150 as a decimal?
hichkok12 [17]
12 \frac{9}{150}=12 \frac{9 \div 3}{150 \div 3}=12 \frac{3}{50}=12\frac{3 \times 2}{50 \times 2}=12 \frac{6}{100}=\boxed{12.06}
7 0
3 years ago
How to solve …….::::::::::
ValentinkaMS [17]
Simplify and evaluate

9) 6x^2 - 27 + 4x^3

10) -7x2 - 5x + 9
6 0
2 years ago
in a wood there are 420 silver birch trees, 160 oak tees and 300 wild cherry trees. what is the percentage of the oak trees give
elena-14-01-66 [18.8K]

Answer:

18.2%

Step-by-step explanation:

The total number of trees in the wood = 420 + 160 + 300

                                                                = 880 trees

∴ The percentage of the oak trees = \frac{160}{880} * \frac{100}{1}

                                                            = \frac{2 * 100}{11}%

                                                            = \frac{200}{11}%

                                                            = 18.181818...%

In 1 decimal place = 18.2%

Hope this helps!!

8 0
3 years ago
Volume 918 yd. what is volume in ft
vitfil [10]
<span>918yd³= 24786.00ft³

i believe that's what you were looking for?</span>
8 0
3 years ago
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