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madreJ [45]
2 years ago
9

Laura earns $8.50 per hour baby-sitting for her neighbor. How much will Laura

Mathematics
1 answer:
Alex2 years ago
7 0

Answer:

Just multiply the money per hour by the number of hours

Step-by-step explanation:

8.50•6.5

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You have a pool that measures 8 yards by 10 yards. You want to build a deck around all four sides of the pool and you want to in
gladu [14]
Given:
pool length : 10 yards
pool width : 8 yards

Area = 10 yds * 8 yds = 80 yd²

(10 + 2x)(8 + 2x) = 120 
10(8 + 2x) + 2x(8+2x) = 120
80 + 20x + 16x + 4x² = 120
4x² + 36x + 80 - 120 = 0
4x² + 36x - 40 = 0
4(x² + 9x - 10) = 0
4(x + 10)(x - 1) = 0

x + 10 = 0
x = -10
x - 1 = 0 
x = 1

the width of the deck is 1 yard


7 0
3 years ago
What is the distance in feet if you runs 8.05 kilometers every day?
Sveta_85 [38]
You run 26410.76 ft every day
8 0
3 years ago
Find a bijection from (0,1] to (0,1)<br><br> Math: Analysis and proof
gregori [183]

Answer with explanation:

The meaning of bijection for two sets X and Y is each and every element of X is uniquely related with element of set Y and when you take the inverse mapping every element of set Y is uniquely related with each and every element of Set X.

The two sets given are

X=(0,1]---------Semi open or Semi closed Set

Y=(0,1)---------Closed set

Between any two real numbers there are infinite number of real numbers.So cardinal number of both the sets is infinite.

There can be infinite bijection between these two sets as both sets have infinite number of elements.

   X                      Y

0.1  -------------      0.01

0.2     -------          0.02

0.3     --------         0.03

0.4     ---------          0.04

-------------------------

------------------------------

-------------------------------

--------------------------------------

8 0
3 years ago
Write an equation in factored form for a function that has zeroes of x=3, x=-4, x=3/4, and x=-7/2
KATRIN_1 [288]
I have no idea what it is but I’m guesting 5
3 0
2 years ago
The length of a rectangle is 4 Less Than 3 times the width. What is the area of the rectangle?
Semmy [17]

There is no width to begin with.

4 0
3 years ago
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