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3 years ago

Please help me asap

Mathematics

1 answer:

Leto [7]3 years ago

7 0

1. D 12 2/7
2. 22 7/9 which is B hope this helps

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Negative vectors

Lilit [14]

First you write what the vectors are, then you subtract z from w by subtracting their corresponding values <-4-3,1-4>= <-7,-3>, then to get subtracting the next answer you subtract w from z which is <3--4,4-1> = <7,3>

3 0

3 years ago

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Chad buys peanuts in 2-pound bags. He repackages them into bags that hold 5/6 pound of peanuts. How many 2-pound bags of peanuts

bogdanovich [222]

15 Bags. If he buys 15 two-pound bags he will have thirty pounds of peanuts, enough to fill thirty six 5/6-pound bags without having any peanuts left over.

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3 years ago

A student performed the following steps to find the solution to the question x^2 - 2x - 15 = 0. Where did the student go wrong?

nataly862011 [7]

Answer:

D In step 3

Step-by-step explanation:

Given polynomial: x² - 2x - 15 = 0

Step 1: factor the polynomial ⇒ (x + 3)(x - 5) = 0

Step 2: x + 3 = 0 and x - 5 = 0

Step 3: x = -3 and x = 5

x - 5 = 0

Add 5 to both sides:

⇒ x - 5 + 5 = 0 + 5

⇒ x = 5

7 0

2 years ago

Graph the quadratic functions y = -2x^2 and y = -2x^2 + 4 on a seperate piece of paper. Using those graphs, compare and contrast

Andrei [34K]

Answer:

Shape is parabolic and there is translation of 4 unit upward.

Step-by-step explanation:

Given : The quadratic functions $y = -2x^2$ and $y = -2x^2 + 4$

To find : Using those graphs, compare and contrast the shape and position of the graphs?

Solution :

Let, $y_1= -2x^2$

and $y_2= -2x^2 + 4$

Now, we plot these two equations.

The graph of $y_1= -2x^2$ is shown with green line with vertex(0,0)

The graph of $y_2= -2x^2 + 4$ is shown with violet line with vertex(0,4)

We have seen in the graph that the graph of $y_2$ is shifted 4 unit upward with the graph of $y_1$

Transformation to upward,

f(x)→f(x)+b , the graph of f(x) is shifted upward by b unit.

The shape of both the graph is parabolic but the position is different.

There is a 4 unit upward translation.

Refer the attached graph below.

6 0

3 years ago

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Classify the decimal forms of 3/12 and 2/9 as repeating or terminating.

romanna [79]

3/12 = 0.25 This is a terminating decimal, as the decimal has a finite number of digits.

2/9 = 0.222222... This is a repeating decimal, as there is no end to the number of digits.

4 0

3 years ago

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Please help me asap​

Please help me asap