3 years ago

Look at the attachment.

Mathematics

1 answer:

Sloan [31]3 years ago

4 0

Answer:

12 cups

Step-by-step explanation:

21:7=3 i mean that's kinda it

3x4=12

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What is the area of the triangle given below?

lapo4ka [179]

Answer:

b 38

Step-by-step explanation:

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4 years ago

What is one of the roots 2x^2+9-5=0

sp2606 [1]

X=5 this is the root to the equation

7 0

3 years ago

Which quadrant does 7 pi divided by 8 fall into

Svet_ta [14]

Answer:

Quadrant 2

Step-by-step explanation:

Convert radians to degrees

7pi/8(180/pi)

1260/8=157.5

157.5 degrees would fall into quadrant 2

6 0

4 years ago

X² - 6x + 4 = 0<br><br> solve and show work. ...?

ycow [4]

The answer is 3 + √5 and 3 - √5.

This is quadratic equation: x² - 6x + 4 = 0
The general quadratic equation is ax² + bx + c = 0
Our equation can be rewritten: 1x² + (-6)x + 4 = 0
So, in our equation we have: a = 1, b = -6, c = 4

Now, x can be calculated using the formula: $x_{1,2}= \frac{-b+/- \sqrt{ b^{2}-4ac } }{2a}$
$x_{1,2} =\frac{-(-6)+/- \sqrt{ (-6)^{2}-4*1*4 } }{2*1} = \frac{6+/- \sqrt{36-16} }{2} = \frac{6+/- \sqrt{20} }{2} =\frac{6+/- \sqrt{4*5} }{2}= \\ 
=\frac{6+/- \sqrt{4}* \sqrt{5} }{2} =\frac{2*3+/- 2\sqrt{5} }{2}= \frac{2(3+/- \sqrt{5}) }{2} =3+/- \sqrt{5}$

From here:
$x_{1} =3+ \sqrt{5} \\ 
x_{2} =3- \sqrt{5}$

6 0

4 years ago

Write the slope-intercept form of the equation of the line through the given points.

bagirrra123 [75]

Answer:

B.) y = -x + 3 and/or x + y = 3

(x,y) is really helpful

6 0

3 years ago

Look at the attachment.​

Look at the attachment.