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3 years ago

Hello I really need help 30 points

Mathematics

1 answer:

Serga [27]3 years ago

6 0

Answer:

Step-by-step explanation:

The vertical line test determines that more than 1 point falls on the vertical line making the graph NOT a function

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What is the slope of the line going through the points (-3,-7.5) and (-2,-5)

lakkis [162]

Answer:

2.5

Step-by-step explanation:

y2 - y1 = top

x2 - x1 = bottom

y2 = -5

y1 = -7.5

x2 = -2

x1 = -3

-5-(-7.5) = 2.5

-2-(-3) = 1

2.5 over 1 = 2.5

7 0

3 years ago

Determine the equation of the linear graph that passes through (-2,3) and (4,6). State your answer in the

Lena [83]

The linear equation is y = 4 + 0.5x

<h3>How to determine the equation?</h3>

The points are given as: (-2,3) and (4,6)

The equation is then calculated using:

$y = \frac{y_2 -y_1}{x_2 -x_1} *(x - x_1) + y_1$

Substitute the known values

$y = \frac{6-3}{4+2} *(x+2) + 3$

Evaluate

y = 0.5 *(x+2) + 3

Expand

y = 0.5x + 1 + 3

Evaluate the sum

y = 0.5x + 4

Rewrite as:

y = 4 + 0.5x

Hence, the equation is y = 4 + 0.5x

Read more about linear equations at:

brainly.com/question/14323743

#SPJ1

3 0

2 years ago

Match each equivalent expression with the property that it represents.

OlgaM077 [116]

Answer:

Associative Property of Multiplication

[ 3(5) (4) = (3) 5(4)]

Identity Property of Multiplication

5(1) = 5

Identity Property of Addition

(3 + 5) + 0 = (3+5)

Commutative Property of Addition

3 + 5 = 5 + 3

Associative Property of Addition

3 + (5 + 7) = (3 + 5) + 7

Step-by-step explanation:

The associative property states that you can re-group numbers and you will get the same answer and the commutative property states that you can move numbers around and still arrive at the same answer.

The identity property of 1 says that any number multiplied by 1 keeps its identity.

Hoped this helped!

6 0

3 years ago

Have to arrange this from greatest to least

sattari [20]

From greatest to least it goes |-34| , |26| , -|-20| , -23 , -|28|

6 0

3 years ago

Based on the tree diagram, what is the probability that the art project is in the middle?

andrey2020 [161]

The explanation in the attachment.

Q1.
$\begin{array}{cccccc}science&-&art&-&math\\\dfrac{1}{3}&\times&\dfrac{1}{2}&\times&\dfrac{1}{1}&=\dfrac{1}{6}\end{array}\\------------------\\\begin{array}{cccccc}math&-&art&-&science\\\dfrac{1}{3}&\times&\dfrac{1}{2}&\times&\dfrac{1}{1}&=\dfrac{1}{6}\end{array}\\\\\\P(A)=\dfrac{1}{6}+\dfrac{1}{6}=\boxed{\dfrac{2}{6}}$

Answer: two over six

Q2.
$\begin{array}{cccccc}blue&-&head\\\dfrac{1}{4}&\times&\dfrac{1}{2}&=\dfrac{1}{8}\end{array}$

Answer: one over eight

Q3.
Answer: 2 - Red and Pink

Q4.
Answer : Second table /attachment/.

Card Color Green Yellow Purple
Purple Green, Purple Yellow, Purple Purple, Purple
Green Green, Green Yellow, Green Purple, Green

I don't know what happened to LaTeX. The formula of Q1 and Q2 in attachment.

5 0

3 years ago

Read 2 more answers