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stiks02 [169]
3 years ago
10

If m=3 and n=-4 calculate the value of mn +n²​

Mathematics
2 answers:
jonny [76]3 years ago
6 0

Answer:

28

Step-by-step explanation:

-4×-4=16

3×4=12

12+16=28

IRINA_888 [86]3 years ago
5 0
I think the answer is 4
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4

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The length of a rectangle is 19 centimeters less than six times its width. It’s area is 20 square centimeters. Find the dimensio
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What is equivalent to (3x^2y)(10x^5y^3)???
djyliett [7]

Answer:

30x^{7} y^{4}

Step-by-step explanation:

simplify

6 0
3 years ago
A square with sides X ft long has a perimeter of 34.2 How long are the sides of the square?
Ymorist [56]

Answer:

Each side is 8.55

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
I could use some help please​
Readme [11.4K]

Answer:

The answer to your question is below

Step-by-step explanation:

a) Fill in the table

    Time (weeks)                  0       1         2         3

     Plant height (ft)              0     3.5       7        10.5

c) The moment when the seed is planted.

d) speed of growth

e) P(t) = 7/2 t

P = height

t = time in weeks

f) P(9) = 7/2 (9) = 63/2 = 31.5 ft

g)  35 = 7/2t

    70 = 7t

    t = 70 / 7

    t = 10 weeks

6 0
2 years ago
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