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nordsb [41]
3 years ago
13

Help pls ill mark brainliest

Mathematics
1 answer:
matrenka [14]3 years ago
3 0

Answer:

angle 7

Step-by-step explanation:

LHI is angle 9, so the one opposite from it is 7

i hope this helped, and if it did, please mark this as brainliest! thanks

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Joan reads that the mass of an average
Brilliant_brown [7]

Answer:

35.5 kilograms

Step-by-step explanation:

An average human's brain is 1.5 kilograms.

1.5 + 34 = 35.5

4 0
3 years ago
Y = x² + 6x + 3
olganol [36]

Vertex<em> </em>is at \left(-3,-6\right)

<em>y-intercept</em> is 3.

The parabola <em>opens up</em>.

Step-by-step explanation:

The graph of the equation is hereby attached in the answer area.

Vertex is the point on the parabola where the graph crosses its axis of symmetry. The axis of symmetry here(x =-3), is shown with the dotted line in the graph attached.

<em>y-intercept </em>is defined as the value of y where the graph crosses the y-axis. In other words, when x=0. Putting

And, the graph opens up as shown the graph figure as well. It is also evident from the co-efficient of x in the given equation y =x^{2} + 6x + 3. Here, co-efficient of

So, vertex<em> </em>is at \left(-3,-6\right)

<em>y-intercept</em> is 3.

The parabola <em>opens up</em>.

7 0
3 years ago
EXTRA POINTS PLEASE HELP I'LL GIVE BRAINLIEST
strojnjashka [21]

Opposite sides are equal.

4 0
3 years ago
What is the answer to 6.59+(-7.8)-(2.41)=
strojnjashka [21]
The answer is -3.62... hope it helps! :)
6 0
3 years ago
Zach solves the system x+y=-3 , x-y=1 and finds the solution (1,-2) use a graph to explain whether Zach's solution is reasonable
Viefleur [7K]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
<span>x-y=1 (1)
x+y=3 (2) 
Add (1) and (2) to eliminate y: 
x- y + x - y =1 + 3
2x = 4
x = 4/2

</span><span>x = 2 
Substitute x = 2 into (1) to find y: 
2 + y = 3
y = 3 - 2
y = 1 
The solution is (2, 1) </span>
6 0
3 years ago
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