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il63 [147K]
3 years ago
14

Which polinominal is a difference of 2 squares

Mathematics
1 answer:
grandymaker [24]3 years ago
3 0

Answer:

The difference of two squares occurs when the middle term or "b" of your polynomial is absent. so the the "c" term would have to be the product of a single number, one positive and one negative. if c = 3 then x2 - 9 = 0 factors to (x+3)(x-3) = 0 and so on.

Step-by-step explanation:

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UkoKoshka [18]

Answer:

2a+6a+7+8+10+11

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Divide 49p in the ratio of 4:2:1
frozen [14]

4+2+1=7

49p/7=7p

4units:2units:1unit

4 times 7p=28p

2 times 7p=14p

1 times 7p=7p

divided it is

28p:14p:7p

7 0
3 years ago
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating
MakcuM [25]

Answer:

A=8.4063u^{2}

Step-by-step explanation:

Be the functions:

y=\frac{3}{x};y=\frac{3}{x^{2}}:x=7

according the graph:

\int\limits^1_7 {\frac{3}{x} } \, dx -\int\limits^1_7 {\frac{3}{x^{2} } } \, dx =3\int\limits^1_7 {\frac{1}{x} } \, dx -3\int\limits^1_7 {\frac{1}{x^{2} } } \, dx=3(\int\limits^1_7 {\frac{1}{x} } \, dx -\int\limits^1_7 {\frac{1}{x^{2} } } \, dx)=3[lnx-\frac{1}{x}](1-7)=3[(ln7-ln1)-(\frac{1}{7}-1)]=3[(1.945-0)-(0.1428-1)]=3*(1.945+0.8571)=3*2.8021=8.4063u^{2}

6 0
4 years ago
What is a unit fractions?
Katen [24]

Unit means one.

The fractions with numerator is one and the denominator is any positive integer. Such fractions are called unit fractions.

It is also defined as the reciprocal of the any positive integers.

Example of the unit fractions are

\frac{1}{2},  \frac{1}{10}, \frac{1}{50}, \frac{1}{100}, . . .

The fraction with numerator is any number other one is called

the non-unit fractions.

Example of the non-unit fractions are

\frac{2}{3},  \frac{3}{7}, \frac{8}{50}, \frac{9}{10}, . . .

8 0
3 years ago
During the construction of a skyscraper, a bolt fell from 400 ft. What was the speed of the bolt when it hit the ground?
lions [1.4K]

Answer:

160

Step-by-step explanation:

v^2 = 64d

d = 400

v^2 = 64*400

v = sqrt of (64*400) = 160

4 0
3 years ago
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