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grin007 [14]
3 years ago
7

Name the angle that is supplementary to < COB 1. AOF 2.COD 3.BOF 4.DOC

Mathematics
1 answer:
Travka [436]3 years ago
5 0
The angle that is supplementary to <COB is one that is next to it (in some relation)
and when you add the two angles together, they shall equal 180°.

Hope this will help 
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Big Mack buys meat for the family reunion cookout. He needs to buy 11 packagesof meat. A package of hotdogs costs $2.59, and a p
IgorC [24]

Hello!

Let's write some important information contained in the exercise:

• hotdogs: $2.59 (,x,)

,

• hamburgers: $5.29 (,y,)

He needs 11 packages. Let's write it:

• x + y = 11

He spent a total of $39.29. We can write it as:

• 2.59x + 5.29y = 39.29

Now, let's solve these two equations as a linear system:

\begin{cases}x+y=11\text{ equation A} \\ 2.59x+5.29y=39.29\text{ equation B}\end{cases}

First, let's isolate x in equation A:

\begin{gathered} x+y=11 \\ x=11-y \end{gathered}

Now, we will replace where's x by 11-y in equation B:

\begin{gathered} 2.59x+5.29y=39.29 \\ 2.59(11-y)+5.29y=39.29 \\ 28.49-2.59y+5.29y=39.29 \\ -2.59y+5.29y=39.29-28.49 \\ 2.7y=10.8 \\ y=\frac{10.8}{2.7} \\  \\ y=4 \end{gathered}

As I called the hamburgers as 'y', we know that he bought 4 packages of hamburgers.

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1 year ago
What is the formula to find the area of a triangle? choose all that apply​
Nana76 [90]

Answer:

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Step-by-step explanation:

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Natalija [7]

Answer:

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Step-by-step explanation:

5 3/4+7 1/2

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zubka84 [21]

Answer:

Y=3/5x -4/5

Step-by-step explanation:

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Hope this helps!

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