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kap26 [50]
2 years ago
5

Evaluate when x = -3 and y= -1: A. -4 B. -3 C. 0 D. -6

Mathematics
2 answers:
Zarrin [17]2 years ago
3 0

Answer:

BHNJMKUYJNGTRVFDXWSDFVGYHUJMIKHBGYNUMIYUNTEQWSXEGTHYUJ

Step-by-step explanation:

VHJIMKUBGFCDS

Zolol [24]2 years ago
3 0

Answer:

The anwser is B. -3 Hope This Helps!

Step-by-step explanation:

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Enter the equation of the line in slope-intercept form.
Karo-lina-s [1.5K]

Answer:

y = 1/2x + 1

Step-by-step explanation:

Slope: 1/2

Point: (2,2)

y-intercept: 2 - (1/2)(2) = 2 - 1 = 1

4 0
2 years ago
Find the obtuse angle between the following pair of straight lines.
ioda

Given:

y=-2

y=\sqrt{3}x-1

To find:

The obtuse angle between the given pair of straight lines.

Solution:

The slope intercept form of a line is

y=mx+b     ...(i)

where, m is slope and b is y-intercept.

The given equations are

y=0x-2

y=\sqrt{3}x-1

On comparing these equations with (i), we get

m_1=0

m_2=\sqrt{3}

Angle between two lines whose slopes are m_1\text{ and }m_2 is

\tan \theta=\left|\dfrac{m_2-m_1}{1+m_1m_2}\right|

Putting m_1=0 and m_2=\sqrt{3}, we get

\tan \theta=\left|\dfrac{\sqrt{3}-0}{1+(0)(\sqrt{3})}\right|

\tan \theta=\left|\dfrac{\sqrt{3}}{1+0}\right|

\tan \theta=\pm \sqrt{3}

Now,

\tan \theta= \sqrt{3} and \tan \theta=-\sqrt{3}

\tan \theta= \tan 60^\circ and \tan \theta=\tan (180^\circ-60^\circ)

\theta= 60^\circ and \theta=120^\circ

120>90, so it is an obtuse angle and 60, so it is an acute angle.

Therefore, the obtuse angle between the given pair of straight lines is 120°.

6 0
2 years ago
A region where there is a large Amusement park is experiencing a heatwave officials at the park at a scatter plot showing the nu
Andreas93 [3]

Answer:

A

Step-by-step explanation:

Vertex appear to be at (5,115)

A) h = -b/2a

= -(20)/2(-2) = 5

k = -2(5²) + 20(5) + 60 = 110

6 0
3 years ago
Log4(x)+log4(x+15)=2
Scrat [10]
D:x>0 \wedge x+15>0\\
D:x>0 \wedge x>-15\\
D:x>0\\\\
\log_4x+\log_4(x+15)=2\\
\log_4x(x+15)=2\\
4^2=x(x+15)\\
16=x^2+15x\\
x^2+15x-16=0\\
x^2-x+16x-16=0\\
x(x-1)+16(x-1)=0\\
(x+16)(x-1)=0\\
x=-16 \vee x=1\\
-16\not \in D \Rightarrow \boxed{x=1}
7 0
3 years ago
Read 2 more answers
1. Jessica wrote the number 8.06 x 10-3 in
Levart [38]
C. 0.0806 that’s the write answer to your equation I think
5 0
3 years ago
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