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Leviafan [203]
3 years ago
10

Rhonda has $315 in her saving account. She wants to save at least $585. Write and

Mathematics
1 answer:
Roman55 [17]3 years ago
5 0

Answer:

0.53

Step-by-step explanation:

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Help plzz (30) points for both of the question-plz help - this is life or dead answer
Elodia [21]

Answer:

The answer is B) 11.

Step-by-step explanation:

We can solve this by making an expression to represent the situation. Let x = the number of student books in the box (what we're looking for):

2.3x + 4.3 + 0.4 = 30

2.3x + 4.7 = 30

2.3x + 4.7 - 4.7 = 30 - 4.7

2.3x = 25.3

2.3x/2.3 = 25.3/2.3

x = 11

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3 years ago
What quadrilateral is best depicted below?
alexandr1967 [171]

Answer: I believe the answer is square

Step-by-step explanation:

5 0
2 years ago
PLEASE SOMEONE HELP ANWSER FOR 23 PTS
SVEN [57.7K]
I’m sorry but I don’t understand what you need help with ?
4 0
3 years ago
Suzanne has purchased a car with a list price of $23,860. She traded in her previous car, which was a Dodge in good condition, a
Alinara [238K]
The interest is 11.62% compounded monthly. Converting this to an effective rate:
i = (1 + 0.1162/12)^12 - 1
i = 0.1226

We use this formula to solve the problem:
455.96 = (23860(1.0811) + 1695 + 228 - C) [0.0811(1+0.0811)^3]/[(1+0.0811)^3 - 1]
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3 0
2 years ago
Read 2 more answers
A cylinder closed tin of radius r cm is made from 600cm2 tin sheet of metal.
Zarrin [17]

Answer:

Note:  The expression "h =300- pi r /pi r" would equate to 299, as written.  I find h = (300 - πr^{2} )/πr to be the equation for height.

Step-by-step explanation:

The total surface area of a sylinder is 2πr(h+r) where h is the height and r is the radius.  That consists of top and bottom disks, each with an area of πr^{2}, for a total of 2πr^{2}.  The side is a  continous sheet that has an area of 2πrh, where h is the height.  2πr is the circumference of the can, so the surface area of the side is 2πrh.

The total surace area of a closed cylinder is therefore 2πr^{2} + 2πrh.

2πr^{2} + 2πrh = 600

πr^{2} + πrh = 300

πrh = 300 - πr^{2}

h = (300 - πr^{2} )/πr

7 0
2 years ago
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