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vazorg [7]
3 years ago
11

Please help me ASAP I need it As soon as possible

Mathematics
1 answer:
Luda [366]3 years ago
7 0

Answer:

400

Step-by-step explanation:

Multiply the whole number by the percentage. The number must be a decimal.

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a paddle boat can move at a speed of 6km/h in still water. the boat is paddeled 16km downstream in a river in the same time it t
kaheart [24]
v-the\ speed\ of\ the\ river\\\\16:(6+v)=8:(6-v)\\\\\frac{16}{6+v}=\frac{8}{6-v}\\-------------\\multiply\ on\ the\ cross\\-------------\\8(6+v)=16(6-v)\\\\48+8v=96-16v\\\\8v+16v=96-48\\\\24v=48\ \ \ /:24\\\\v=2\ (km/h)\leftarrow Answer
5 0
3 years ago
What is the solution(s) to the system of equations y = x² +4 and y = 2x + 4
bija089 [108]

Answer:

(x,y) = (0,4)~ \text{and}~ (x,y) = (2,8)

Step by step explanation:

y = x^2 +4~~~~~~~~~...(i)\\\\y = 2x +4~~~~~~~~~...(ii)\\\\\text{From (i) and (ii):}\\\\~~~~~~x^2 +4 = 2x+4\\\\\implies x^2 = 2x\\\\\implies x^2 -2x = 0\\\\\implies x(x-2) = 0\\\\\implies x =0,~ x = 2

\text{Substitute x = 0 in eq (i):}\\\\y = 0^2 +4 = 4\\\\\text{Substitute x = 2 in eq (i):}\\\\y=2^2+4 = 4+4 = 8\\\\\text{Hence,}~ (x,y)= \{(2,8), (0,4)\}

3 0
2 years ago
2×<br><img src="https://tex.z-dn.net/?f=%20%7B2x%7D%5E%7B2%7D%20%20%3D%208x%20%2B%203" id="TexFormula1" title=" {2x}^{2} = 8x +
Contact [7]

theres a few calculaters that can do that


3 0
4 years ago
Twelve cubes are stacked to make this figure.
djyliett [7]

Answer:

What figure?

Step-by-step explanation:

I can help, just need figure :)

You can post it and ill edit this answer

7 0
3 years ago
A college has a financial aid formula that applies to applicants whose family's income is below a certain threshold. The financi
DochEvi [55]

Answer:

1.) 10000, -3, 1000 ; doesn't make sense

2.) 40000, 3, 40000 makes sense

3.) 32500, 1.5, 32500 makes sense

4.) [0,+ ∞ ]

Step-by-step explanation:

1.) r(-3) = 2500 - 3*5000=10000

2.) f(3) = 25000 + 3*5000 = 40000

3.) f(1.5) = 25000 +1.5*5000= 325000

4.) # of siblings must >= 0

3 0
3 years ago
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