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Korolek [52]
3 years ago
5

What is the discriminant of the polynomial below? 2x^2+3x-7

Mathematics
1 answer:
zysi [14]3 years ago
6 0

Answer:

Step-by-step explanation:

2x2+3x-7

the discriminant is : b²- 4ac   a=2   b=3  c= -7

3²- 4(2)(-7)   .... continu

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Maggie runs 1/4 of a mile in 1.3 minutes. Olive runs 2/3 of a mile in 2.9 minutes who runs faster?
Veseljchak [2.6K]

Answer:

Olive

Step-by-step explanation:

V_{Maggie}=.25/1.3=.19mile/min \\V_{Olive} =(2/3) /2.9=.23mile/min\\

Olive runs faster :).

6 0
3 years ago
the volume of a square shipping container is 15,625 cubic inches. Find the edge length of the shipping container
Llana [10]

Answer:

24.9 repeating in

Step-by-step explanation:

\sqrt[3]{15,625} = 24.9 repeating.

Basically, just find the cube root of 15,625. Since, the object is a cube, the volume formula is V=a^{3}. Just undo the a^{3} by finding the cube root. Hope this helps!!

7 0
3 years ago
What percent is 608 million of 845 million
wlad13 [49]
Hello,

To find the percentage, simply divide the smaller number to the larger number. In this situation, we divide 608 million by 845 million, which will get you:
0.719526627219. At this point, move the decimal place 2 places to the right to get the percent form of the decimal. Let's also round this decimal up.

After you move the decimal place, it's now 71.9526627219, and if we round it to the nearest 10th, it would be 71.95%.

In conclusion, the percent is 71.95%.

Hope this helps!

May
3 0
3 years ago
What is the value of 2 + 8 ÷ 2 × k, if k = 4?
Vadim26 [7]

Answer: 18

Step-by-step explanation:

6 0
3 years ago
Explain how equal groups, multiplication, addition, and arrays related?
natulia [17]

Answer:

An arrangement of objects, pictures, or numbers in columns and rows is called an array. Arrays are useful representations of multiplication concepts. This array has 4 rows and 3 columns. It can also be described as a 4 by 3 array.

Step-by-step explanation:

hope this helps i looked it up if not im srry

4 0
3 years ago
Read 2 more answers
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