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makvit [3.9K]
3 years ago
6

The following are true about a square of a binomial except

Mathematics
2 answers:
-BARSIC- [3]3 years ago
8 0

Answer:

B. ITS FIRST TERM IS A PERFECT SQUARED ITS MIDDLE TERM IS ALWAYS NEGATIVE.

pishuonlain [190]3 years ago
6 0

Answer:

D. It's middle term is always negative.

Step-by-step explanation:

A square of a binomial (perfect square), means that the two binomial terms are the same. Therefore, both terms will include either a double positive (which would result in a positive answer), or a double negative, (which, by the law of multiplying double negatives, would result in a positive answer).

Therefore, D will be the correct "incorrect" answer.

~

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Rewrite the function f(x)=7 (1/2)^3x using the properties of exponents.
Nutka1998 [239]

Answer:

f(x) = (7 x)\/8

Step-by-step explanation:

idk, i just used wolframalpha mate...

3 0
3 years ago
Use linear regression to find a function that fits the following points (1,4),(2,2),(5,8)
RSB [31]

Answer: y = 1.231x + 1.385, r^2 = .703, r = .839

Step-by-step explanation:

If you plug these points into a TI-84 and use the linear regression function, you'll get this result.

6 0
3 years ago
A cone has same volume with a cylinder which is 5 cm high. If they have same area of the
NISA [10]

Answer:

Step-by-step explanation:

Remember, the formulas for the lateral surface area of a pyramid is 12pl and the total surface area is 12pl+B .

Since the base of a cone is a circle, we substitute 2πr for p and πr2 for B where r is the radius of the base of the cylinder.

So, the formula for the lateral surface area of a right cone is L.S.A=πrl  , where l is the slant height of the cone.  

Find the lateral surface area of a right cone if the radius is 4 cm and the slant height is 5 cm.

L.S.A=π(4)(5)=20π≈62.82  cm2

3 0
3 years ago
Here are the first three terms of a different sequence.
vlada-n [284]

Answer:

8,16

Step-by-step explanation:

8 0
3 years ago
NEED HELP! PLEASE! geometry questions (4) 15 points!
mixer [17]

Answer:

1. 617.5 cm³

2. 335.6 in³

3. 151.6 m³

4. 3479.1 ft³

Step-by-step explanation:

1.

B1: 19.5 × 9 = 175.5

B2: 6 × 13 = 78

sqrt(B1 ×B2) = 117

h = 5

Volume = ⅓ × 5 × [175.5 + 78 + 117]

617.5

2.

B1: 3.14 × 4.5² = 63.585

B2: 3.14 × 3² = 28.26

sqrt(B1 ×B2) = 42.39

h = 7.5

Volume = ⅓ × 7.5 × [63.585 + 28.26 + 42.39]

335.5875

3.

B1: ½(8+12) × 6 = 60

B2: ½(3+4.5) × 2.25 = 8.4375

sqrt(B1 ×B2) = 22.5

h = 5

Volume = ⅓ × 5 × [60 + 8.4364 + 22.5]

151.5625

4.

B1: 3.14 × 12² = 452.16

B2: 3.14 × 7² = 153.86

sqrt(B1 ×B2) = 263.76

h² = 13² - (12-7)²

h² = 13² - 5²

h² = 144

h = 12

Volume = ⅓ × 12 × [452.16 + 153.86 + 263.76]

3479.12

5 0
3 years ago
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