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den301095 [7]
3 years ago
10

Please help me with this math problem

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
5 0
Answer:

Step-by-Step Explanation:

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Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring:
andre [41]
The part of the quadratic formula that dictates whether the function is factorable or not is B. b^2 - 4ac. This determines the number of real, imaginary, negative and positive roots. 
In the equation <span>2x^2 + 7x + 3, 
we use the quadratic formula 
x = -b +- sqrt (b2 -4ac) /2a = -7 +- </span><span>sqrt (49 -24) /4
the answers are x1 =-0.5 and x2 = -3.</span>
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3 years ago
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The endpoints of a line segment graphed on a Cartesian coordinate system are (4, 1) and (-2, -4). What are the coordinates of th
Masja [62]
The midpoint of (x1,y1) and (x2,y2) is (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

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(4,1) and (-2,4)
the midpoint is  (\frac{4-2}{2},\frac{1-4}{2})=(\frac{2}{2},\frac{-3}{2})=(1,-1.5)
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3 years ago
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if 16 friends went on a trip and it was 200 miles away how many miles would it take to split the trip into 16 parts?
dalvyx [7]
12.8 miles would take the 16 friends to split the trip into 16 parts
8 0
3 years ago
How to convert 750 in ^3 to yd^3
____ [38]

\bf \stackrel{\textit{we know that }}{1yd=36in}\implies \stackrel{\textit{therefore}}{(1yd)^3=(36in)^3}\implies \stackrel{\textit{distributing the exponent}}{1^3yd^3=36^3in^3}\\\\\\1yd^3=46656in^3~\hspace{8em}therefore\\\\\\750 \underline{in^3} \cdot \cfrac{1yd^3}{46656 \underline{in^3}}\implies \cfrac{750 yd^3}{46656}\implies \cfrac{125 yd^3}{7776}~~~~\approx~~~~ 0.016075~yd^3

5 0
3 years ago
Which statement is NOT correct?
Pavlova-9 [17]

Answer:

D is incorrect

Step-by-step explanation:

If you know the measure of two angles of a right triangle and you only one length of a right triangle then you will be able to ONLY find the length of the third angle of a right triangle and not the other two sides.

3 0
3 years ago
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