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3 years ago

How many terms does the polynomial a3 - 4ab2 + ab + 1 have?

Mathematics

1 answer:

Kay [80]3 years ago

4 0

Answer:

Their are 4 terms i believe.

Step-by-step explanation:

Because terms are separated by + and - signs.

Hope my answer has helped you.

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Adam currently runs about 20 miles per week and he wants to increase his weekly mileage by 30%. How many miles will Adam run per

makkiz [27]

30% is .3 so 20 times .3 is 6 extra miles so 30 plus 6 is 36 miles

7 0

4 years ago

The denominator of a fraction is 10 more than its numerator.

Dennis_Churaev [7]

The right answer is Option C : 5

Step-by-step explanation:

Let,

The numerator of fraction = x

The denominator of a fraction is 10 more than its numerator.

$\frac{x}{x+10}$

When 1/3 is added to this fraction,

$\frac{x}{x+10}+\frac{1}{3}$

the resulting fraction’s denominator is three times the denominator of the original fraction its numerator is 15 less than its denominator

$\frac{3(x+10)-15}{3(x+10)}$

Therefore, it becomes

$\frac{x}{x+10}+\frac{1}{3} = \frac{3(x+10)-15}{3(x+10)}$

Taking LCM on left side

$\frac{3x+(x+10)}{3(x+10)}=\frac{(3x+30)-15}{3(x+10)}\\\\\frac{3x+x+10}{3(x+10)}=\frac{3x+30-15}{x(x+10)}\\\\\frac{4x+10}{3(x+10)}=\frac{3x+15}{3(x+10)}$

Multiplying both sides by 3(x+10)

$3(x+10)*\frac{4x+10}{3(x+10)}=\frac{3x+15}{3(x+10)}*3(x+10)\\4x+10=3x+15\\4x-3x=15-10\\x=5$

The numerator of original fraction is 5.

The right answer is Option C : 5

Keywords: fraction, addition

Learn more about fractions at:

#LearnwithBrainly

8 0

3 years ago

Can I get some help on this please

Charra [1.4K]

1)
P = 600
I = 0.07
N = 2

2)
P = 4000
R = 0.09
N =4

3)
P=6000
R = 12
I = .084

5 0

4 years ago

Every day after school, Kelly and Bella walk their dogs around the block. The block is 274 meters long and 80 meters wide. What

trapecia [35]

Answer:

708meters

Step-by-step explanation:

Given data

Lenght = 274meters

Width= 80 meters

The expression for the perimeter is

P= 2L+2W

substitute

P= 2*274+ 2*80

P= 548+160

P= 708 meters

Hence the perimeter of the block is 708meters

4 0

3 years ago

What is the slope of (-9,-3) and (1,-3)

ddd [48]

Answer:

The slope is 0

Step-by-step explanation:

m= (y2-y1)(x2-x1)

y2 is -3, y1 is -3

x2 is 1 and x1 is -9

m= -3-(-3)/1- (-9)

m=0/10

m= 0

4 0

3 years ago