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Sholpan [36]
3 years ago
6

Determine the value of X. Can someone help? Explain steps on how to do this? Thanks

Mathematics
1 answer:
taurus [48]3 years ago
6 0
Angles on a straight line always adds up to 180°

The angle on the left side of 100° is, (180-100) = 80

Do the same with 80° and the angle beneath it (Remember! angles add up to 180° on a straight line).

Hence, 180 - (x+105) = 80
=> 180-80 = x+105
=> 100-105 = x
x = -5
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Consider the function f(x)=x^2+2x-8
sattari [20]

Answer:

The answer to your question is below

Step-by-step explanation:

Data

function   f(x) = x² + 2x - 8

-See the graph below

1) x-intercepts

We observe in the graph that there are no x-intercepts.

2) y-intercepts

We observe in the graph that the y-intercept is (0, 8). Point A

3) axis of symmetry

The axis of symmetry is the line that divides the parabola into two equal parts. This line is x = -1 (blue line)

4) The vertex is the lowest point of the parabola, this point is (-1, 7)

Point B in the graph.

8 0
3 years ago
Please help I give you 30 points
valentinak56 [21]

Answer:

The last one,  14 3/4

Step-by-step explanation:

I hope this helped :)

4 0
2 years ago
Need help!
siniylev [52]

<u>Correct </u><u>Inputs </u><u>:-</u>

In ΔABC right angled at A, D and E are points on BC, C such that BD = CD and AD ⊥ BC

\underline{\underline{\large\bf{Solution:-}}}\\

\longrightarrow Let us know about definition of altitude first. The altitude of a triangle is the perpendicular line segment drawn from the vertex to the opposite side of the triangle.

\leadstoMedian is the line segment from a vertex to the midpoint of the opposite side.

<u>Let us Check all options one by one </u>

  • CD is line segment which starts from vertex C but don't falls on opposite side AB thus it is not an altitude.❌

  • BA is line segment which starts from vertex B and falls perpendicularly on opposite sides AC and is thus an altitude.✔️

  • AD is line segment which starts from vertex A and falls perpendicularly on opposite side BC and is thus an altitude.✔️

  • AE is a line segment which starts from vertex A but doesn't falls perpendicularly on opposite side BC and is thus not an altitude.❌

  • AD falls on BC with D as mid point because BD = CD and is thus a median. ✔️
8 0
2 years ago
I plan on opening a savings account with $500 and leaving it in the account for 2 years. If the bank is going to pay me an inter
hammer [34]
The answer would be C
6 0
3 years ago
Read 2 more answers
HELP!!!
tatuchka [14]

Answer:

6.34

Explanation:

6.34615384615  rounded is 6.34

so therefore 6.34*26 is 164.84 which is more closer to 165. But if you happen to multiply 6.35*26 it is 165.1 but it goes over the right number by 0.01. So stick to 6.34 and have under exceeded amount.

<u><em>Can I please have brainliest.</em></u>

8 0
2 years ago
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