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4 years ago

If Andy saves $1 the first week, $2 the second week, $3 the third and so on, how much will he save after 20 weeks?

Mathematics

2 answers:

ivolga24 [154]4 years ago

6 0

Answer:it’s 110

Step-by-step explanation:

Neko [114]4 years ago

6 0

Answer: andy will $210

Step-by-step explanation:

idk:c

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Name:

n200080 [17]

Answer:

See below

Step-by-step explanation:

Zeroes

$f(x)=2(x-1)(x+3)$

$0=2(x-1)(x+3)$

$0=(x-1)(x+3)$

$x=1$ and $x=-3$

$(1,0)$ and $(-3,0)$

Axis of Symmetry

$f(x)=2(x-1)(x+3)$

$y=2(x-1)(x+3)$

$y=2(x^2+2x-3)$

$y+2(4)=2(x^2+2x-3+4)$

$y+8=2(x^2+2x+1)$

$y+8=2(x+1)^2$

$y=2(x+1)^2-8$

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

$x=h$

$x=-1$

Vertex

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

$y=2(x+1)^2-8$

$(h,k)\rightarrow(-1,-8)$

Y-intercept

$f(x)=2(x-1)(x+3)$

$f(0)=2(0-1)(0+3)$

$f(0)=2(-1)(3)$

$f(0)=-6$

$y=-6$

$(0,-6)$

Please review the attached graph for a visual of these key features.

5 0

3 years ago

Find the value of x.

love history [14]

Answer:

x is 64 degrees

Step-by-step explanation:

Since the polygon is a quad we know all the angles add up to 360. So, we can do :

100 + 130 + 66 = 360 - x

296 = 360 - x

Subtract 360 on both sides

-64 = -x

Multiply by negative one on both sides and we get

64 = x

x is 64 degrees

8 0

4 years ago

What type of triangles did you have to construct to start the proof?

Mazyrski [523]

Answer:

You can draw a general triangle to start a proof unless you are given any specific qualities the triangle must have the triangle doesn't have to be draw to scale.

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Convert 6400000 milligrams to kilograms

vodomira [7]

Answer:

Your answer is 6.4 kilograms :D

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

15 points for the right answer ,,,,!!!!!

Contact [7]

A is true, b is true, but c d aren’t and e is

5 0

3 years ago