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3 years ago

Please help me i dont understand thank you!!

Mathematics

1 answer:

12345 [234]3 years ago

8 0

Answer:

32 units squared

Step-by-step explanation:

Split up the figure into easy to find area parts. So, theres 2 triangles, and in the middle of those, you can make a square. And that would make the top part a large triangle! Now find the area of these

Large triangle: 1/2 (4)(10) = 20

Smallest triangle: 1/2(2)(2) = 2

Medium triangle: 1/2(6)(2) = 6

Square: 2*2 = 4

Now add them all up! 20+2+6+4 = 32 units squared!

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5y^2-2y-7

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3 years ago

| Find the quadratic polynomial whose<br> Sum and products of zeros are 21/8 and 5/16

tatuchka [14]

Answer:

$16x^{2} -42x+5$

Step-by-step explanation:

Sum of its zeroes= $\alpha +\beta =\frac{21}{8} \\$

Product of its zeroes= $\alpha \beta$ = $\frac{5}{16}$

Formula to form a quadratic polynomial:

$p(x)=k[x^{2} -(\alpha +\beta )x+\alpha \beta ]$

p(x)= $k[x^{2} -(\frac{21}{8} )x+\frac{5}{16}]$

p(x)= $16[x^{2} -(\frac{21}{8} )x+\frac{5}{16}]$

p(x)= $[16x^{2} -42x+5]$

The quadratic polyniomial is $16x^{2}-42x+5$

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3 years ago