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tamaranim1 [39]
3 years ago
14

Need ASAP I’ll mark brainliest if right

Mathematics
2 answers:
DedPeter [7]3 years ago
7 0

Answer:

616 in²

Step-by-step explanation:

14 × 14 × 22/7

=> 616

damaskus [11]3 years ago
7 0

Answer:

616 inches squared

Step-by-step explanation:

14 × 14 × 22/7

=> 616

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Find a degree 4 polynomial having zeros -8,-1,4 and 5 and the coefficient of x^4 equal 1.
Keith_Richards [23]

Answer:

  x^4 -53x^2 +108x +160

Step-by-step explanation:

If <em>a</em> is a zero, then (<em>x-a</em>) is a factor. For the given zeros, the factors are ...

  p(x) = (x +8)(x +1)(x -4)(x -5)

Multiplying these out gives the polynomial in standard form.

  = (x^2 +9x +8)(x^2 -9x +20)

We note that these factors have a sum and difference with the same pair of values, x^2 and 9x. We can use the special form for the product of these to simplify our working out.

  = (x^2 +9x)(x^2 -9x) +20(x^2 +9x) +8(x^2 -9x) +8(20)

  = x^4 -81x^2 +20x^2 +180x +8x^2 -72x +160

  p(x) = x^4 -53x^2 +108x +160

_____

The graph shows this polynomial has the required zeros.

4 0
3 years ago
Extrano a mi sobrina, what does the underlined word mean
Simora [160]

Answer:

I miss my niece

Step-by-step explanation:

it's the meaning of that hope U get it ...

6 0
2 years ago
Lena is 10 years old. She asks her dad how old he is. He tells her that the lowest common multiple of their ages is 14 times the
Ksju [112]

Answer:

  35

Step-by-step explanation:

We know the factors of Lena's age are 2 and 5. The least common multiple must have these factors and the factors of 14, so will at least have factors of 2, 5, and 7.

Apparently, the dad's age is 5·7 = 35.

___

The GCF is 5; the LCM is 70 = 5×14.

_____

Sometimes, I use a little 3-part diagram to think about LCM and GCF. Here, it would look like ...

  (2 [5) 7]

where the numbers in curved brackets (2·5) and the numbers in square brackets [5·7] are factors of the two numbers of concern (Lena's age, her dad's age). The middle number in both brackets [5) is the greatest common factor, and the product of all three numbers is their least common multiple.

Here, the product of outside numbers, 2·7 = 14, represents the ratio of the LCM to the GCF. We know that Lena's age has factors of only 2 and 5, so the numbers in the diagram have to be (2[5)7], where 2 and 7 are on the ends and 5 is in the middle.

7 0
3 years ago
When dividing rational functions, always multiply the original function by the divisor's _______
aivan3 [116]

Answer:

Reciprocal

Step-by-step explanation:

meaning the fraction flipped

6 0
3 years ago
Colin gets 3/10 of the money. Emma and dave share the rest of money in the ratio 3:2. what is dave's share of the money.
otez555 [7]
7:25 or $28 
Please mark me brainliest
5 0
3 years ago
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