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gavmur [86]
3 years ago
7

(1+4i)−(−16+9i)

Mathematics
1 answer:
aniked [119]3 years ago
5 0

Answer:

there all cute i cant see the first one tho hella blurry she seems cute tho

Step-by-step explanation:

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PLZ I NEED HELP BUT PLZ EXPLAIN WHEN YOU ANSWER
Natalija [7]

Answer:

Step-by-step explanation:

Let's convert this statement into a system of two equations

3 * (cost of a liter of milk) + 5 * (cost of a loaf of bread) = $11

4 * (cost of a liter of milk) + 5 * (cost of a loaf of bread) = $10

cost of a liter of milk = x

cost of a loaf of bread = y

3x + 5y = 11

4x + 4y = 10

You can now solve this using either substitution or elimination

I'll use elimination. Let's say I want to get rid of the x first. I need to choose numbers to multiply by the top and bottom equations to eliminat the x's. The easiest way to do this is to multiply them by each other. So we'll multiply the top by 4 and the bottom by 3. We'll need to make sure the signs are opposite as well so I'll make that a negative 3 on the bottom.

4 * (3x + 5y = 11)

-3 * (4x + 4y = 10)

12x + 20y = 44

-12x - 12y = -30

Now add straight down

0x + 8y = 14

8y = 14

y = 14/8 = $1.75

Now we can plug this back in to either equation  to find the x. I'll choose the second equation

4x + 4*(1.75) = 10

4x + 7 = 10

4x = 3

x = 3/4 = $0.75

So, cost of a liter of milk = x = $0.75

and cost of a loaf of bread = y = $1.75

3 0
3 years ago
Read 2 more answers
Help me with this please
Elenna [48]

Answer:

2,700 sq yds :)))) (d)

Step-by-step explanation:

2(30)=60

1.5(30) =45

60(45)= 2700

3 0
3 years ago
Is (2,5) on the line y = -3x +11? How do you know?<br> O A solution<br> O Not a solution
Elenna [48]

Answer:

A solution

Step-by-step explanation:

Just plug in you point

5 = -3(2) + 11

5 = -6 + 11 (collect like terms)

5 = 5

A solution

Hope this helps ya! Keep smiling!

7 0
3 years ago
Read 2 more answers
Help please it’s scatter plots
gogolik [260]
I can’t see the picture
8 0
3 years ago
Arturo builds a cube that measures 5 in on each side. What is the volume of Arturo's cube?
crimeas [40]
We know that

[volume of a cube]=b³
where 
b------> is a side length of a cube
for b=5 in
[volume of a cube]=5³--------> 125 in³

the answer is 125 in³
6 0
3 years ago
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