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Nonamiya [84]
2 years ago
9

Convert the cartesian equations to a polar equation y=4x^2

Mathematics
1 answer:
alexdok [17]2 years ago
7 0

Answer:

B

Step-by-step explanation:

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Jess has 60 ounces of an alloy that is 40% gold. How many ounces of pure gold must be added to this alloy to create a new alloy
tia_tia [17]

Answer:

84 ounces of pure gold

Step-by-step explanation:

Jess has 60 ounces of an alloy that is 40% gold. How many ounces of pure gold must be added to this alloy to create a new alloy that is 75% gold?

Pure gold = 100% gold

Let the number of ounces of pure gold = x

Hence, we have the equation

40% × 60 ounces + 100%× x ounces = 75%(60 + x)ounces

= 0.4 × 60 + 1x = 0.75(60 + x)

= 24 + x = 45 + 0.75x

Collect like terms

x - 0.75x = 45 - 24

0.25x = 21

x = 21/0.25

x = 84 ounces

Therefore, we need 84 ounces of pure gold

6 0
3 years ago
In the figure shown below, if line l is parallel to line m, then x =<br> е l<br> 200<br> 65°<br> m
Nikolay [14]

Answer:

115

Step-by-step explanation:

c

3 0
2 years ago
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What is 9/18 simplified
White raven [17]
1/2.

divide everything by 9.
7 0
3 years ago
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Determine the intercepts of the line.
aleksley [76]

Answer:

x-intercept : (-250, 0)

y-intercept : (0,100)

Step-by-step explanation:

Looking at the line plotted, you can see when and where the blue line intersects with the x-axis and y-axis.

6 0
3 years ago
6th grade math easy! (:
vichka [17]
<h3>Answer: A) 20+10h</h3>

Work Shown:

It grows 2h inches for 4 weeks, so 2h*4 = 2*4h = 8h is the amount it grows for those 4 weeks.

Then it grows h inches per week, for 2 more weeks, giving h+h = 2h additional inches.

Overall, 8h+2h = 10h is the amount the plant grows.

It starts off at 20 inches so its final height is 20+10h

6 0
3 years ago
Read 2 more answers
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