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3 years ago

Which point on the graph has coordinates (3,6)

Mathematics

2 answers:

photoshop1234 [79]3 years ago

8 0

Answer:

point c

Step-by-step explanation:

right 3 up 6

fomenos3 years ago

6 0

Yup it's point C across to 3 and then up to 6

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Does anyone know the answer to these two problems?

Nady [450]

Answer:

8) -8, -9

9) 4, $\frac{1}{2}$

Step-by-step explanation:

8) x² + 12x + 27

Solutions of a polynomial means the values of $x$ such that the polynomial becomes zero. $i.e., y = 0$ .

We use the following formula to determine the solutions of a quadratic equation of the form: $ax^2 + bx + c = 0$

$\implies x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$

In this equation, $a = 1; b = 12; c = 27$

Substituting in the formula, we have:

$x = \frac{-12 \pm \sqrt{144 - 108}}{2}$

$\implies x = \frac{-12 \pm 6}{2}$

Taking 2 common outside we get:

$x = - 6 \pm 3$

Therefore, we get two solutions viz, x = -3, -9.

9) 2x² - 9x + 4 = y

X- intercepts of a polynomial means the value of x such that y = 0. It means the roots of the polynomial.

Solving the equation using the formula above, we get:

$x = \frac{-(-9) \pm \sqrt{81 - 32}}{2(2)}$

$\implies x = \frac{9 \pm 7}{4}$

The values of x = 4, $\frac{1}{2}$ .

Hence, the answer.

8 0

3 years ago

Chad created a table that shows the ratio of his sports game cards.

Svet_ta [14]

The true statement is on a coordinate plane, a graph titled Chad's Cards has Damage on the x-axis and Defense on the y-axis. Points (1, 2), (2, 4), (3, 6), and (4, 8) are plotted.

Chad created a table that shows the ratio of his sports game cards.

Chad’s Cards

Card Type

Outfield

Infield

Catcher

Pitchers

Quantity

Next, Chad created the graph below showing possible ratios for Pitcher cards to Infield cards in his deck.

<h3>What is the coordinate plane?</h3>

A coordinate plane is a graphing and description system for points and lines. A vertical (y) axis and a horizontal (x) axis make up the coordinate plane. There are four quadrants in the coordinate plane. The point where these lines connect is called the origin (0, 0).

Therefore the first statement is true,

On a coordinate plane, a graph titled Chad's Cards has Damage on the x-axis and Defense on the y-axis. Points (1, 2), (2, 4), (3, 6), and (4, 8) are plotted.

Therefore option A is correct.

To learn more about the graph visit:

brainly.com/question/4025726

#SPJ1

8 0

2 years ago

Read 2 more answers

This list shows concentrations of carbon dioxide (in parts per million) in the Earth's atmosphere for the years 1950, 1955, 1960

Marat540 [252]

Answer:

Choice B

The mathematical model that best fits the data is a polynomial of order 2 as shown on the attachment.

The predicted global mean temperature in 2015 is; 412.24

Step-by-step explanation:

The first step is to obtain a scatter plot of the data and then fit a trend line. A quadratic polynomial fits the data well considering the large value of the coefficient of determination of 0.9984.

To determine the global mean temperature in 2015 we substitute x with 14 in the quadratic model;

y = 0.4643(14)^2 + 0.7976 (14) + 310.07

= 412.24