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UNO [17]
2 years ago
13

What is 5kg in the ratio of 7:3

Mathematics
1 answer:
cluponka [151]2 years ago
8 0

Answer:

5000/750 = 20:3

Step-by-step explanation:

5kg = 5000g

5000:750 (divide by 10)

500:75 (divide by 5)

100:15 (divide by 5)

20:3

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PLEASE ANSWER QUICKLY!!! La'Shaun is knitting a scarf for her brother. It took her 1/3 hour to knit 1/2 of a scarf how fast is L
saveliy_v [14]

Answer:

Fast

Step-by-step explanation:

1/3 hour is 20 minutes

so that means it will take her 40 minutes to make the whole scarf.

3 0
2 years ago
A jacket is on sale for 40% off .The sale price is $90.00.What is the original amount of the jacket
34kurt
Set up a proportion
90/x = 60/100
60x = 9000
x = 150

if you're wondering why I used 60 instead of 40 in the proportion it is because $90 is 60% of the original price, not 40%

hope this helps!
6 0
2 years ago
A 300 gallon tank is initially full and water is being drained at a rate of 4 gallons per minute.
Semenov [28]

Answer:

Yes, it's when the tank is out of water.  

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Alejandro made an error in the steps below when determining the equation of the line that is perpendicular to line 4x - 3y = 8 a
Ronch [10]

 

Hello:<span>
the equation is : y = ax+b
the slope is a : a×(4/3) = -1......( perpendicular to a line with a slope of   4/3)            because :     4x-3y =8...y=(4/3)x-8/3    )     </span>

<span>
a = -3/4         y=(-3/4)x+b
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5 0
2 years ago
An isosceles triangle’s altitude will bisect its base. Which expression could be used to find the area of the isosceles triangle
omeli [17]

Answer:

\dfrac{\sqrt{40}\cdot \sqrt{40}}{2}

Step-by-step explanation:

The length of the base is the distance between the points 4+2i and 10+4i, so

\text{Base}=|10+4i-(4+2i)|=|10+4i-4-2i|=|6+2i|=\sqrt{6^2+2^2}=\\ \\=\sqrt{36+4}=\sqrt{40}

The middle point of the base is placed at point

\dfrac{4+2i+10+4i}{2}=\dfrac{6i+14}{2}=7+3i

The length of the height is the distance between the points 5+9i and 7+3i

\text{Height}=|5+9i-(7+3i)|=|5+9i-7-3i|=|-2+6i|=\sqrt{(-2)^2+6^2}=\\ \\=\sqrt{4+36}=\sqrt{40}

So, the area of the triangle is

A=\dfrac{1}{2}\cdot \text{Base}\cdot \text{Height}=\dfrac{\sqrt{40}\cdot \sqrt{40}}{2}

4 0
2 years ago
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