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3 years ago

Urgent!! Help math!!

Mathematics

1 answer:

jolli1 [7]3 years ago

8 0

6,7,9 is not ringt triangle

18,32,40 is not right triangle

24,32,40 is right triangle

10,24,26 is right triangle

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Which of the following is perfect square trinomial. Ive asked 4 times. Please Help. Will give brainlilest

Nutka1998 [239]

Answer:

Step-by-step explanation:

a perfect square trinomial is

$a^2x^2\pm2(ab)xy+b^2y^2$

factorized is

$(ax\pm by)^2$

so as you can see option A and B can't be, because they have -49y^2 and it has to be plus

so the other options are C and D

in the trinomial a=4 and b=\pm 7

the roots of a^2 and b^2

$\pm2abxy=\pm2(4)(7)xy\\\\=\pm56xy$

so it's option d with b=-7

$16x^2-56xy+49y^2$

6 0

3 years ago

If m<1=105 and m<4=115, then m<6=<br><br> A.75 B.40 C.50 D.60

RSB [31]

The answer is 40 so B

4 0

3 years ago

Please help!!!!

DochEvi [55]

Answer:

256h28k8

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Find the slope of the line (-3,-2) (1,6)

nlexa [21]

Answer:

slope = 2

Step-by-step explanation:

Calculate the slope m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (- 3, - 2) and (x₂, y₂ ) = (1, 6)

m = $\frac{6-(-2)}{1-(-3)}$ = $\frac{6+2}{1+3}$ = $\frac{8}{4}$ = 2

5 0

3 years ago

If the demand function for a commodity is given by the equation

Jet001 [13]

Answer:

q=26.92 p=31.13

Step-by-step explanation:

$p^{2} +16q=1400\\\\q=\frac{1400-p^{2} }{16} ;\\\\700-p^{2} +10q=0\\\\q=\frac{p^{2}-700 }{10} ;\\\\$

$q=q\\\\\frac{1400-p^{2} }{16} =\frac{p^{2}-700 }{10} \\\\10(1400-p^{2})=16(p^{2}-700)\\\\14000-10p^{2}=16p^{2}-11200\\\\14000+11200=16p^{2}+10p^{2}\\\\25200=26p^{2}\\\\p^{2}=\frac{25200}{26} \\\\p=+\sqrt{\frac{25200}{26}} \\\\p=31.13$

replace p in any equation and

$q=\frac{1400-p^{2} }{16} \\\\q=\frac{1400-(31.13)^{2} }{16}\\\\q=26.92$

3 0

4 years ago