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3 years ago

This 1 also help me plzz

Mathematics

1 answer:

Roman55 [17]3 years ago

6 0

Angle mpd is complementary to angle dpb meaning they add up to 90 degrees. angle apc is equal to angle dpb because they are vertical angles created by 2 intersecting lines

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what is 1+1? My daughters teacher said the answer wasn't 2 when she wrote it on her worksheet. please help a parent out!! maybe

nikdorinn [45]

Answer:

Step-by-step explanation:

Maybe they got confused or could not read her handwriting well because im pretty sure it is 2

8 0

2 years ago

13x - 3<br> 4.<br> 6x +<br> 1<br> 68

Rasek [7]

Answer:

= -21.6x + 168

Step-by-step explanation:

Combine Like Terms

13x -34.6x + 168

13x + - 34.6x + 168

(13x+ -34.6x) + 168

-21.6x + 168

3 0

2 years ago

How many soulutions does the system of equations have x-3y=15. and 3x-9y=45

Irina-Kira [14]

Answer:

<h2>Infinitely many solutions</h2>

Step-by-step explanation:

$\left\{\begin{array}{ccc}x-3y=15\\3x-9y=45\end{array}\right\\\\\text{Divide both sides of the second equation by 3}\\\\\dfrac{3x}{3}-\dfrac{9y}{3}=\dfrac{45}{3}\\\\x-3y=15\\\\\text{We received the same equation as the first.}\\\\\bold{CONCLUSION}\\\\\text{The system of equations has infinitely many solutions.}$

$\left\{\begin{array}{ccc}a_1x+b_1y=c_1\\a_2x+b_2x=c_2\end{array}\right\\\\\text{If}\ a_1=a_2,\ b_2=b_2,\ c_1=c_2,\ \text{then the system of equations}\\\text{ has infinitely many solutions}\\\\\text{If}\ a_1=a_2,\ b_1=b_2,\ c_1\neq c_2,\ \text{then the system of equations}\\\text{has no solutions}\\\\\text{Other the system of equations has one solution.}$

5 0

2 years ago

Joanne cannot decide which of two washing machines to buy. The selling price of each is $660. The first is marked down by 40%.

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2 years ago

1. The sum of four consecutive whole numbers is 110. What is the sum of the least and the greatest of the four numbers?

Trava [24]

Answer:

Step-by-step explanation:

the four number is 26+27+28+29

so 26+29=55

3 0

2 years ago