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Pavlova-9 [17]
3 years ago
12

Mr and Mrs Jones want to lower their energy bill...Need help ASAP, would be very grateful!

Mathematics
2 answers:
Eva8 [605]3 years ago
3 0
They could manage how much energy they use in there house
vovangra [49]3 years ago
3 0
your answer is 1/3 hope this helps
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A new employee charged $3980 on his credit card to relocate for his first job.After noticing that the interest rate for his bala
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What is the distributive property of 7x28
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Compare the Following Ratios 7to 12 ________ 7/8<br><br> A: &gt;<br> B: &lt;<br> C: =
ser-zykov [4K]

Change the ratios to decimals and compare:

7 / 12 = 0.583

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3 years ago
Make a conjecture about the next term in the sequence 3, -5, 7, -9, 11​
iVinArrow [24]

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Step-by-step explanation:

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7 0
3 years ago
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Which of the following are the coordinates of the vertex of y = −x2 + 2x + 1? (2, 1) (1, –2) (1, 2) (–2, 1)
IceJOKER [234]

Answer:

C

Step-by-step explanation:

We want to determine the vertex of the quadratic equation:

\displaystyle y = -x^2 + 2x + 1

Recall that the vertex is given by the formulas:

\displaystyle \text{Vertex} = \left(-\frac{b}{2a}, f\left(-\frac{b}{2a}\right)\right)

In this case, <em>a</em> = -1, <em>b</em> = 2, and <em>c</em> = 1.

Determine the <em>x-</em>coordinate of the vertex:

\displaystyle x = -\frac{(2)}{2(-1)} = 1

To determine the <em>y-</em>coordinate, evaluate the function at <em>x</em> = 1:

\displaystyle \begin{aligned} y(1)&= -(1)^2 + 2(1) + 1 \\ &= 2\end{aligned}

In conclusion, the vertex of the quadratic equation is (1, 2).

Hence, our answer is C.

3 0
2 years ago
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