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zepelin [54]
3 years ago
10

Which system of equations is represented by the graph?

Mathematics
1 answer:
Arlecino [84]3 years ago
4 0

Answer: C

Step-by-step explanation:

y = mx + b

To get ‘b’ look at the y intercepts.

Both y intercepts are 7 and - 1

For this problem it’s all you need, since the only equations with b being - 1 and 7 is C.

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Please help me !! Giving brainliest!!
Neporo4naja [7]

Answer:

O <u>4th option</u> : <u>(-4, -2)</u>

Step-by-step explanation:

⇒ 9x - 9y = -18

⇒ -<u>6x + 9y = 6</u>

  • 3x = -12
  • x = -4

  • 9(-4) - 9y = -18
  • -36 - 9y = -18
  • -9y = 18
  • y = -2

⇒ (x , y)

⇒ <u>(-4, -2)</u>

3 0
1 year ago
Read 2 more answers
Solve the percent problem 76 gallons is 126% of ___ gallons. Round to the nearest hundredth, if necessary.
Burka [1]

Answer:

60.32

Step-by-step explanation:

126%=1.26

60.32*1.26=76.0032

76.0032≈76

7 0
2 years ago
Find the equation of a parabola with a vertical axis and its vertex at the origin and passing through the point (-2, 3)
vredina [299]

a vertical axis, I assume it means a vertical axis of symmetry, thus it'd be a vertical parabola, like the one in the picture below.

\bf ~~~~~~\textit{parabola vertex form} \\\\ \begin{array}{llll} y=a(x- h)^2+ k\qquad \qquad \leftarrow vertical\\\\ x=a(y- k)^2+ h \end{array} \qquad\qquad vertex~~(\stackrel{}{ h},\stackrel{}{ k}) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \begin{cases} h=0\\ k=0 \end{cases}\implies y=a(x-0)^2+0 \\\\\\ \textit{we also know that } \begin{cases} x=-2\\ y=3 \end{cases}\implies 3=a(-2-0)^2+0\implies 3=4a \\\\\\ \cfrac{3}{4}=a~\hspace{10em}y=\cfrac{3}{4}(x-0)^2+0\implies \boxed{y=\cfrac{3}{4}x^2}

8 0
3 years ago
Identify the type of sampling bias guaranteed to occur in each of the sampling schemes, based on the information provided. Some
melisa1 [442]

Answer:

1. i Sampling bias and

   ii. Question order bias

2. Non response Bias

3.i. sampling bias

ii.question order bias

4. i. response bias

ii.sampling bias

Step-by-step explanation:

we have basically four types of bias in a research which are;

1. Sampling bias

2. Response bias

3. Non response bias

4. Question order bias

8 0
2 years ago
Ann and Tom want to establish a fund for their​ grandson's college education. What lump sum must they deposit at an 8.2​% annual
GaryK [48]
Compound interest formula = a=P(1+r/n)^nt

P= lump sum to deposit (solving for)

A= amount accumulated over the entire time (20000)

n= number of times interest is compounded annually (1)

r= rate of interest (0.82)

T= total number of years (15)

20000=P(1+0.082/1)^1*15

20000=P(1.082)^15
20000=P(3.26143638)
20000/3.26143638=P
P=$6132.2674
7 0
3 years ago
Read 2 more answers
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