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Tju [1.3M]
2 years ago
10

Statistics Question Q9

Mathematics
2 answers:
Tanzania [10]2 years ago
6 0

Answer:

D. is the correct one.........

natulia [17]2 years ago
3 0
It’s D. Surveying every customer
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Use grouping symbols to make the following equation true.<br> 5 x 4 = 3²-4=4
Luba_88 [7]

Answer:

(5 x 4)= (3^2 - 4)= 4

Step-by-step explanation:

(5 x 4)=20,

(3^2 -4)= (9-4)

(20)=(5)=4

20/5=4

4=4

7 0
3 years ago
A water tank holds 486 gallons but leaking at a rate 4 gallons per week. A second water tank holds 648 gallons but is leaking at
notka56 [123]

The first tank contains

486 gal - (4 gal/week) <em>t</em>

gal of water after <em>t</em> weeks.

Similarly, the second tank contains

648 gal - (7 gal/week) <em>t</em>

gal of water.

The tanks hold the same amount of water when these two amounts are equal:

486 gal - (4 gal/week) <em>t</em> = 648 gal - (7 gal/week) <em>t</em>

(7 gal/week) <em>t</em> - (4 gal/week) <em>t</em> = 648 gal - 486 gal

(3 gal/week) <em>t</em> = 162 gal

<em>t</em> = (162 gal) / (3 gal/week)

<em>t</em> = 54 weeks

6 0
3 years ago
Help me please I don't understand how to do it
mr_godi [17]
X^2 + 4x -21
= (x +7)(x - 3)

hope that helps
4 0
3 years ago
I don't get how to do #10 someone help plez
ExtremeBDS [4]
I can help but the picture does not load, for some reason it takes me to a page that says enter code. I have no idea what it is but i did not mess with it...
you might want to re-post a new picture just to be safe because that code thing might be something of yours thats personal
3 0
3 years ago
Change 1/5 to a decimal with work shown
uranmaximum [27]

Answer:

.2

1/5=2/10 2/10=.2

7 0
3 years ago
Read 2 more answers
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