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Eduardwww [97]
2 years ago
13

What is the value of y in the equation 5x 2y = 20, when x = 0. 3?.

Mathematics
1 answer:
scoundrel [369]2 years ago
7 0

Answer:

3 y=9.25...................

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F(x)= -7x^2 +8x+2
Paraphin [41]

Answer:

1. discriminate = 120

2. 3 times

im not sure about my answers please correct me if im wrong

7 0
3 years ago
Read 2 more answers
Can someone tell me what x= to and y=?
jeka57 [31]

Answer:

x = 112

y = 76

Step-by-step explanation:

x + 68 = 180

x = 180 - 68

x = 112

y = 76 (Because of alternate interior angles)

3 0
2 years ago
Part A
Airida [17]

Answer:

A. 10 is less than or equal to 1.75+0.65m

B. D

Step-by-step explanation:

3 0
2 years ago
Which binomial is a factor of 49x^2+84xy+36y^2
sweet-ann [11.9K]

7x + 6y is a binomial that is a factor of given equation

<em><u>Solution:</u></em>

A binomial is a mathematical expression which has only two terms

<em><u>Given expression is:</u></em>

49x^2 + 84xy + 36y^2

We have to find the binomial that is a factor to given expression

Let us find the factors of given equation

49x^2+84xy+36y^2\\\\\mathrm{Rewrite\:}49x^2+84xy+36y^2\mathrm{\:as\:}\left(7x\right)^2+2\cdot \:7x\cdot \:6y+\left(6y\right)^2\\\\\mathrm{Rewrite\:}49\mathrm{\:as\:}7^2\\\\7^2x^2+84xy+36y^2\\\\\mathrm{Rewrite\:}36\mathrm{\:as\:}6^2\\\\7^2x^2+84xy+6^2y^2\\\\\mathrm{Apply\:exponent\:rule}:\quad \:a^mb^m=\left(ab\right)^m\\\\7^2x^2=\left(7x\right)^2\\\\Therefore,\\\\\left(7x\right)^2+84xy+6^2y^2\\\\\mathrm{Apply\:exponent\:rule}:\quad \:a^mb^m=\left(ab\right)^m\\\\6^2y^2=\left(6y\right)^2\\\\

Therefore\\\\\left(7x\right)^2+84xy+\left(6y\right)^2\\\\\mathrm{Rewrite\:}84xy\mathrm{\:as\:}2\cdot \:7x\cdot \:6y\\\\\left(7x\right)^2+2\cdot \:7x\cdot \:6y+\left(6y\right)^2\\\\\left(7x\right)^2+2\cdot \:7x\cdot \:6y+\left(6y\right)^2\\\\

\mathrm{Apply\:Perfect\:Square\:Formula}:\quad \left(a+b\right)^2=a^2+2ab+b^2\\\\a=7x,\:b=6y\\\\Therefore,\\\\\left(7x\right)^2+2\cdot \:7x\cdot \:6y+\left(6y\right)^2 = \left(7x+6y\right)^2

Thus we get,

49x^2 + 84xy + 36y^2 = (7x+6y)^2\\\\49x^2 + 84xy + 36y^2 =  (7x+6y)(7x+6y)

Thus the binomial which is a factor is 7x + 6y

6 0
3 years ago
In a race, Karen rode her bike for 1 hours
hjlf

Answer:

I think its 1 Hour and 45 Minutes

Step-by-step explanation:

6 0
2 years ago
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