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3 years ago

Help me please ! (: (6th grade)

Mathematics

1 answer:

mihalych1998 [28]3 years ago

7 0

Answer:

$64.99

Step-by-step explanation:

A total of $584.91 was spent among 9 people (Caleb + 8 friends), thus we can find the amount per person. $584.91 \text{ dollars}/9\text{ people} = 64.99 \text{ dollars}/\text{person}$

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The image shows a geometric representation of the function f(x) = x2 – 2x – 6 written in standard form. An algebra tile configur

Over [174]

Answer:

$f(x)=(x-1)^2-7$

Step-by-step explanation:

Standard form:

$f(x)=x^2-2x-6$

Vertex form:

$y=(x-h)^2+k$

(h, k) is the vertex

x is the coordinate of the vertex

To find x use the formula:

$x=\frac{-h}{2a}$

$f(x)=x^2-2x-6$

a=1

b=-2

c=-6

Substitute:

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

Substitute x in equation:

$f(x)=1^2-2(1)-6\\f(x)=1-2-6\\f(x)=-7$

h=1

k=-7

Substitute h, and k into the vertex formula:

$f(x)=(x-1)^2-7$

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3 years ago

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Each pencil weighs 4 grams so the answer is B: 4

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2 years ago

Which graph represents polynomials function f(x)=x^3+4x^2-15x-18

olya-2409 [2.1K]

The bottom left, lies never -6 on x axis and 20 on y axis

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if the morning temperature started at -7 celsius but warmed during the day to 24 celsius . What is the temperature change

Murrr4er [49]

Answer:

31° change

Step-by-step explanation:

If we want to find the change between two numbers, we need to imagine it like a number line.

<-------------0------------->

Let's plot -7 and 24 on this number line.

<---------- $-7$ --0------------24>

If we want to get from -7 to 0, we increase by 7. To get from 0 to 24, we increase by 24.

So the total change is $7 + 24 = 31$ .

Hope this helped!

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2 years ago

What type of model should be used to make a prediction from the given data? (0,3), (2,4), (5,5), (10,6)

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I would say a Coordinate Grid.

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3 years ago