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AlexFokin [52]
3 years ago
7

PLEASE HELP!! i hate math and i am terrible at it so i need help

Mathematics
2 answers:
aliina [53]3 years ago
8 0

Answer:

b,c,d

Step-by-step explanation:

kherson [118]3 years ago
3 0

Answer:

D and B i'm pretty sure

Step-by-step explanation:

i would try a place called calculator soup really helps.

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How long must a ladder be to reach the top of a 12-foot wall if the bottom of the ladder is placed 3 feet from the base of the w
laila [671]

Answer:Q: What is the unknown information that could be found using the Pythagorean theorem?

A: The hypotenuse, or the length of the ladder.

Q: what is the approximate length of the ladder needed, rounding to the nearest hundredth?

A: 12.37 ft.

5 0
3 years ago
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70°<br> x<br> 82°<br> r<br> r<br> 6 -<br> - 4)º<br> an<br> 160°<br> (2y - 40<br> HELP ASAP
natulia [17]

Answer:

Step-by-step explanation:

x + 70 = 180   {Linear pair}

       x = 180 - 70

       x = 110

y + 82 = 180 {linear pair}

      y = 180 -82

      y = 98

x - 4 = 110 - 4 = 106

2y - 40 = 2*98 - 40

            = 196 - 40

            = 156

4 0
2 years ago
Find the slope-intercept form of the equation of the line that passes through the point (5,1) and is perpendicular to the line 2
Vlad1618 [11]

The slope-intercept form:

y=mx+b

m - slope

b - y-intercept

Convert 2x + 5y = 10 to the slope0intercept form:

2x+5y=10        <em>subtract 2x from both sides</em>

5y=-2x+10       <em>divide both sides by 5</em>

y=-\dfrac{2}{5}x+2

Let k:y=m_1x+b_1 and l:y=m_2x+b_2

l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}

We have m_1=-\dfrac{2}{5}

Therefore

m_2=-\dfrac{-\frac{2}{5}}=\dfac{5}{2}

We have the equation of a line:

y=\dfrac{5}{2}x+b

Put the coordinates of the point (5, 1) to the equation of a line:

1=\dfrac{5}{2}(5)+b

1=\dfrac{25}{2}+b       <em>subtract \dfrac{25}{2} from both sides</em>

-\dfrac{23}{2}=b\to b=\dfrac{23}{2}

Answer: \boxed{y=\dfrac{5}{2}x+\dfrac{23}{2}}

4 0
3 years ago
How many solutions does this system have?
gtnhenbr [62]

Answer:

There will be an infinite number of solutions.

Step-by-step explanation:

From the given system of equations, we have to find the solution.

The equations are

y = \frac{3}{4}x - 5 ........... (1) and  

- 3x + 4y = - 20 .......... (2)

Now, simplifying the equation (1) we get  

4y = 3x - 20

⇒ - 3x + 4y = - 20

which is nothing but the equation (2).

Therefore, the system of equations (1) and (2) are the same straight line.

Hence, there will be an infinite number of solutions. (Answer)

5 0
3 years ago
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6n+9=3(6n-2)+2-12n what is the solution set?
Grace [21]

Answer:

No solution

Step-by-step explanation:

4 0
3 years ago
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