Answer:
1/6 of one pan of brownies remains
Step-by-step explanation:
2 - 1 and 5/6 equals 1/6
Answer:
It's letter C
Step-by-step explanation:
Answer:
It will take him 2 hours to eat a whole pizza
Step-by-step explanation:
There are 2 halves in an hour, and if he eats 1/4 of a pizza in half an hour, he will take 2 hours to eat a whole pizza.
Answer:
=
−
7
3
=
−
7
Step-by-step explanation:
<u>
</u>
<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:
x-intercept(s): (
4
/3
,
0
)
y-intercept(s): (
0,
−
4
/5
)
Step-by-step explanation: