Answer:
16
Step-by-step explanation:
she takes 2 quizzes every week
Answer:
=
−
7
3
=
−
7
Step-by-step explanation:
<u>
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<u>=
</u>
<u>−
</u>
<u>
</u>
<u>±
</u>
<u>
</u>
<u>2
</u>
<u>−
</u>
<u>4
</u>
<u>
</u>
<u>
</u>
<u>√
</u>
<u>2
</u>
<u>
</u>
<u>x={b}}^{2}-4{a}}{2{a}}}
</u>
<u>x=2a−b±b2−4ac
</u>
<u>Once in standard form, identify a, b, and c from the original equation and plug them into the quadratic formula.
</u>
<u>3
</u>
<u>
</u>
<u>2
</u>
<u>+
</u>
<u>2
</u>
<u>8
</u>
<u>
</u>
<u>+
</u>
<u>4
</u>
<u>9
</u>
<u>=
</u>
<u>0
</u>
<u>3x^{2}+28x+49=0
</u>
<u>3x2+28x+49=0
</u>
<u>
</u>
<u>=
</u>
<u>3
</u>
<u>a={3}}
</u>
<u>a=3
</u>
<u>
</u>
<u>=
</u>
<u>2
</u>
<u>8
</u>
<u>b={28}}
</u>
<u>b=28
</u>
<u>
</u>
<u>=
</u>
<u>4
</u>
<u>9
</u>
<u>c={129}{49}}
</u>
<u>c=49
</u>
<u>
</u>
<u>=
</u>
<u>−
</u>
<u>2
</u>
<u>8
</u>
<u>±
</u>
<u>2
</u>
<u>8
</u>
<u>2
</u>
<u>−
</u>
<u>4
</u>
<u>⋅
</u>
<u>3
</u>
<u>⋅
</u>
<u>4
</u>
<u>9
</u>
<u>√
</u>
<u>2
</u>
<u>⋅
</u>
<u>3
</u>
<u>=
</u>
<u>−
</u>
<u>2
</u>
<u>8
</u>
<u>±
</u>
<u>1
</u>
<u>4 over
</u>
<u>6
</u>
<u>=
</u>
<u>−
</u>
<u>2
</u>
<u>8
</u>
<u>+
</u>
<u>1
</u>
<u>4
</u>
<u>6
</u>
<u>x={-28+14}{6}
</u>
<u>x=6−28+14
</u>
<u>
</u>
<u>=
</u>
<u>−
</u>
<u>2
</u>
<u>8
</u>
<u>−
</u>
<u>1
</u>
<u>4
</u>
<u>=
</u>
<u>−
</u>
<u>7
</u>
<u>3
</u>
<u>x=-{7}{3}
</u>
<u>x=−37
</u>
<u>
</u>
<u>=
</u>
<u>−
</u>
<u>7
</u>
<u>=
</u>
<u>−
</u>
<u>7
</u>
<u>3
</u>
<u>
</u>
<u>=
</u>
<u>−
</u>
<u>7</u>
Answer:
Where is the question or figure ???
Answer:
-5x + y = -27
Step-by-step explanation:
Equation: y+8 = -5(x+3)
Standard form is (ax + by = c)
We have to get x and y and their coefficients over to the left side of the equation, and all the single numbers to the right side.
y + 8 = -5 (x + 3)
y + 8 = -5x -15
y = -5x - 27
THE ANSWER IS :
-5x + y = -27
Answer:
2/15
Step-by-step explanation:
