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laila [671]
4 years ago
9

how you use number sense when you go shopping. In your response, include the different types of numbers that you would use. Expl

ain and give examples of how you will use your understanding of each of the following concepts when you go shopping
Mathematics
1 answer:
Svetach [21]4 years ago
8 0
Because you use money to purchase Groceries, Clothes, and etc.
You will (maybe) get Change, Taxes, Discounts
You use the following mathematical skills to go shopping :
Percent increase/ decrease
Subtraction and addition 
Finding the value of x / Variables

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3) Alex drove for 3 hours at an
iVinArrow [24]

average speed= total distance/total time taken

60+45= 105miles

1 mile= 1.609

105×1.609= 168.945km

168.945/4

Hence answer = 33.79 km/hr

5 0
3 years ago
10
vodka [1.7K]

Answer:

You need to attach a picture of your problem.

4 0
3 years ago
Read 2 more answers
ILL MARK BRAINLIEST, PLZ HELP ME ASAP!!!!!!!!!!
siniylev [52]
The answer is left 4 and right 3 units hope this helps
7 0
3 years ago
Use the parabola tool to graph the quadratic function f(x)=−5x2−2.
alexira [117]

\text{Consider the quadratic function}\\
\\
f(x)=-5x^2-2\\
\\
\text{For a quadratic equation, }f(x)=ax^2+bx+c, \text{ we know that the x-coordinate}\\
\text{of the vertex (h,k) is given by}\\
\\
h=\frac{-b}{2a}\\
\\
\text{on comparing the given equation with standard equation, we have}

a=-5, b=0, c=-2\\
\\
\text{so the x-coordinate of the vertex is }\\
\\
h=-\frac{b}{2a}=-\frac{0}{2(-5)}=0\\
\\
\text{so plug this vlaue of the h in the given function to get the y-coordinate}\\
\text{of the vertex. so}\\
\\
f(x)=-5(0)^2-2=0-2=-2\\
\\
\text{hence the vertex of the parabola is: }(h,k)=(0,\ -2)\\
\\
\text{A second point on the graph can be found by putting x=1, so }\\
\\
f(1)=-5(1)^2-2=-5-2=-7\\
\\
\text{so one other point on the parabola is }(1,-7)

The grpah of the quadratic function is shown below:


5 0
4 years ago
Please help I'm behind
SIZIF [17.4K]

Answer:

a= -4

Step-by-step explanation:

2^-4 ×2^a =2^-8

2^-4+a = 2^-8

both 2 are cancelled by dividing

then,

-4+a = -8

a = -8+4

a= -4

hope this helps you

3 0
3 years ago
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