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Stels [109]
2 years ago
13

Which relationships have the same constant of proportionality between y and x as the following graph?

Mathematics
2 answers:
Dmitrij [34]2 years ago
5 0

Answer:

A and B

Step-by-step explanation:

If you simplify 6y = 2x, you get y = 1/3x, which is the same as answer choice B and the graph shown.

mrs_skeptik [129]2 years ago
4 0

Answer: D and E

Step-by-step explanation:

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chelsea deposits $600 into a bank account and is earning simple interest.After 4 years her account has a balance of $621.60.If C
olga nikolaevna [1]
If she deposited $600 and had $621.60 after four years, then she earned: $621.60 - $600 = $21.60 in four years. It means in one year she earned $21.60 ÷ 4 = $5.40. Now we have to find out how many percent of $600 is $5.40:

$5.40 = x% from $600
5.4 = x/100 * 600
5.4 = 600x/100                 / * 100 (both sides)
540 = 600x                       / ÷ 600 (both sides)
x = 0.9

So the interest rate was 0.9% annually.

Now we have to find out how much is 0.9% from $1100:

$1100 * 0.9% =
= 1100 * 9/1009 =
= 9900/1000 =
= 9.9

It means in one year she would earn $9.90. After 7 years she would earn $9.90 * 7 = $69.30, so she would have in her account:

$1100 + $69.30 = <u>$1169.30</u>
8 0
3 years ago
In the diagram below, the radii of the two concentric circles are 3 centimeters and 7 centimeters, respectively.
True [87]

Answer:

125.6 cm²

Step-by-step explanation:

Area of the shaded region = area of larger circle - area of the smaller circle

Area of the smaller circle = πr²

π = 3.14, r = 3 cm

Area of smaller circle = 3.14*3² = 3.14*9 = 28.26 cm²

Area of larger circle = πr²

π = 3.14, r = 7

Area of larger circle = 3.14*7² = 3.14*49 = 153.86 cm²

Area of the shaded region = 153.86 - 28.26 = 125.6 cm²

5 0
2 years ago
HOW can you use models to find volume?
Svetradugi [14.3K]
You can find the dimensions of the model and plug them into the formula for volume (length x width x height)
5 0
3 years ago
a triangle pyramid has lateral faces with bases of 6meters and hights of 9 meters the area of the base of the pyramid
Alexxandr [17]
What is the question
6 0
3 years ago
What are all the power of threes through 1000
algol13
1000= 10^3 -- ten to the third power

assuming you mean whole numbers,

graba calculator, figure out what
1^3, 2^3 3^3 ... 9^3 are
or
1x1x1
2x2x2
3x3x3
...
9x9x9
6 0
3 years ago
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