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kozerog [31]
4 years ago
10

Is (-3,11) a solution to the system of equation shown below.

Mathematics
1 answer:
natita [175]4 years ago
8 0
No, when you substitute it into the first equation for x and y it does not equal 36 this it's not a solution

(-3)-(3)(11)=36
-3-33=36
-36 =/ 36
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X^2+26x+c<br> find the value of c that makes each trinomial a perfect square
alekssr [168]

Answer:

c = 169

Step-by-step explanation:

We can use FOIL to determine this after factoring out the equation.

(x+13)(x+13)

F: (x*x)

O: (x*13)

I: (13*x)

L: (13*13)

x^2 + 26x + 169

3 0
4 years ago
Help me pleaseee thank you In advance please explain to me too so i know what to do next time :)
Gnesinka [82]
Equation is 2(3x+24)=9x+18
Answer is x=10

Bisector means it cuts it in half so ABD is the same as DBC. The whole angle is 9x+18 which is the same as doubling 3x+24 since thats half of if hence the equation 2(3x+24)=9x+18

To solve for x you have to distribute 2(3x+24) by multiplying 2 to 3x and 24
New equation is 6x+48=9x+18
Subtract 6x both sides
48=3x+18
Subtract 18 both sides
30=3x
Divide both sides by 3
10=x
4 0
3 years ago
Find the perimeter of the triangle in units. Round to two decimal<br> places as necessary.
Dimas [21]

Answer:

  • 54.56 units

Step-by-step explanation:

<u>The vertices are:</u>

  • K(-12,2), L(-7,12), J(3,-10)

<u>Find the sides using distance formula:</u>

  • KL = \sqrt{(-7+12)^2+(12-2)^2} = \sqrt{125} ≈ 11.18
  • LJ = \sqrt{(3+7)^2+(-10-12)^2}  = \sqrt{584} ≈ 24.17
  • KJ = \sqrt{(3+12)^2+(-10-2)^2} = \sqrt{369} ≈ 19.21

<u>Find perimeter:</u>

  • P = KL + LJ + KJ
  • P = 11.18 + 24.17 + 19.21 = 54.56 units
4 0
3 years ago
Please help!<br> Rewrite the rational exponent as a radical. (2 points)
vladimir2022 [97]

Answer:

<em>Answer:</em> 3) \sqrt{5}

Step-by-step explanation:

<u>Radical Form and Exponent Form</u>

A radical can be expressed as a rational exponent following the identity:

\displaystyle \sqrt[m]{x^n}=x^\frac{n}{m}

We should also recall that:

(x^n)^m=x^{nm}

We are given the expression:

\displaystyle \left(5^{\frac{3}{4}}\right)^\frac{2}{3}

Applying the power of power:

\displaystyle \left(5^{\frac{3}{4}}\right)^\frac{2}{3}=\left(5^{\frac{3}{4}\cdot \frac{2}{3}}\right)

Simplifying:

\displaystyle \left(5^{\frac{3}{4}}\right)^\frac{2}{3}=5^{\frac{1}{2}}

Converting to radical form:

\displaystyle \left(5^{\frac{3}{4}}\right)^\frac{2}{3}=\sqrt{5}

Answer: 3) \sqrt{5}

8 0
3 years ago
Standard form of 80000​
ki77a [65]

Answer:

8 × 10^4

Step-by-step explanation:

Count the number of zeros after 8.

3 0
3 years ago
Read 2 more answers
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