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2 years ago

How many total hours did the girls spend cleaning their home

Mathematics

2 answers:

solmaris [256]2 years ago

7 0

Answer:

it should be 12

Step-by-step explanation:

because 3x4=12

ANTONII [103]2 years ago

7 0

Answer: 12

Step-by-step explanation: each girl spent 3 hours cleaning, their was 4 girls so 4 x 3 = 12

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How are the coordinates of the extreme value and the equation from part B in the form y=(x-h)^2-c related.

True [87]

The extreme value of y = (x - h)² - c is the vertex of the equation.

<h3>What are extreme values of a function?</h3>

The extreme values of a function are either the maximum or minimum values of the function.

<h3>The equation of a parabola in vertex form</h3>

The equation of a parabola in vertex form with vertex (h', k) is given by

y = a(x - h')² + k and its extreme values are

if a > 0 (h', k) is a minimum point and
if a < 0 (h', k) is a maximum point.

Since y = (x - h)² - c is the equation of a parabola in vertex form, comparing with y = a(x - h')² + k,

h = h'
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So, the cooordinates of the vertex of y = (x - h)² - c is (h, -c).

Now, since a = 1 > 0, (h, -c) is a minimum point.

So, the extreme value of y = (x - h)² - c is the vertex of the equation.

Learn more about extreme value of a function here:

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2 years ago

Where is the blue point on the number<br> line?<br> 3<br> ←++<br> 2.<br> Pls help

My name is Ann [436]

Answer:

its in number 2

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6 0

2 years ago

Help pleaseee Im trying to get an A in class

likoan [24]

Answer:

191

Step-by-step explanation:

Sorry it's sideways. I drew a box chart for this. First, fill in what you know: the number of white and black beads Ally has. Then, calculate how many black beads Betty has (Ally's number, 59, minus 35.) 59-35 = 24.

They tell you the total number of beads is 346. Add up Ally's total to get 131, then subtract that from 346. That's Betty's total beads, 215.

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3 0

3 years ago

When Elyse moved last weekend, the circular glass top for an end table broke. To replace it, she bought a circular glass top wit

spin [16.1K]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

Andres went out to a restaurant for dinner. His total bill before tax and tip was $27.30. He was charged an additional 9% tax an

Fofino [41]

Answer:

$25.66

Step-by-step explanation:

Given data

Total Bill before tax and tip= $27.30

Tax= 9%

Tip= 15%

Let us find the tax

=9/100*27.30

=0.09*27.30

=$2.457

Let us find the tip

=15/100*27.30

=0.15*27.30

=$4.095

Therefore his bill after tax and tip is

=27.30+2.457-4.095

=$25.66

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2 years ago