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andriy [413]
3 years ago
11

X=2y+11 -7x-27=-13 solve with substitution

Mathematics
1 answer:
Lilit [14]3 years ago
8 0

Answer:

x=13/7,    y=-32/7

Step-by-step explanation:

Just trust me

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(4 added to the difference of d minus 3)
Leno4ka [110]

Answer:

4+(-d-3)

Step-by-step explanation:

Hope I helped you

8 0
3 years ago
Find the vertex of the graph of the function. f(x) = 2x^2 - 8x + 9
Rashid [163]

\bf \textit{vertex of a vertical parabola, using coefficients} \\\\ f(x)=\stackrel{\stackrel{a}{\downarrow }}{2}x^2\stackrel{\stackrel{b}{\downarrow }}{-8}x\stackrel{\stackrel{c}{\downarrow }}{+9} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right) \\\\\\ \left(-\cfrac{-8}{2(2)}~~,~~9-\cfrac{(-8)^2}{4(2)} \right)\implies \left( \cfrac{8}{4}~~,~~9-\cfrac{64}{8} \right) \\\\\\ (2~~,~~9-8)\implies (2~~,~~1)

5 0
3 years ago
A cat heart beats about 130 beats per minute .A kitten heartbeat can be as fast as 240 beats per minute.How many times does a ki
sineoko [7]
21,600 minutes because 1 hour equals 60 mins. while half in an hour is 30 mins. and 60 + 30 = 90 so you multiply 240 by 90 getting 21,600
4 0
3 years ago
I will make brainiest if you answer correctly!!!<br>What is the difference between a human and a dog
KonstantinChe [14]

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Dogs have a stronger smell than us.

Dogs have a thicker layer of fur.

Dogs are allergic to types of food that we can digest.

Dogs only live around 15 years, and we live up to around 70.

Dogs have sweat glands on their pads and nose.

Dogs have a smaller population than dogs.

Dogs sleep more than humans.

Dogs live for survival, not for fame, money, nor any other materialistic possessions.

3 0
3 years ago
Please help me with this question ASAP <br><br> NOTE: please explain your reasoning
Nadya [2.5K]

Answer:

I Believe The Answer Would Be 35

Step-by-step explanation:

You See If You Split The Rectangle Into Three Rectangles You Can Split Them Up And Multiply The Length And Width

8 0
3 years ago
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