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Advocard [28]
3 years ago
10

Please help fast I’m not sure exactly how to do this or find it

Mathematics
2 answers:
Vanyuwa [196]3 years ago
7 0
The answer would be B check the picture for work.

STatiana [176]3 years ago
4 0
It’s the second option: 10in, 18.5in, 31.5in
60=2y+1+7y+3y+5
combine like terms and get
60=12y+6
54=12y
y=4.5
Plug 4.5 into y and get 10in, 18.5in, and 31.5in
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PLEASE HELP WITH THESE 4 questions I DONT GET IT ASAP thank you in advance
alex41 [277]

Answer:

2. 31/6  3. -12/1   4. integer  5. rational number

Step-by-step explanation:

2. You multiply the 5 by 6/6, so it becomes 30/6, then add the 1/6. getting you the 31/6.

3. Since -12 is already an integer with no mixed part, you just put it over 1.

4. -12 is an integer, but is not a whole number because it is negative.

5. fractions are rational numbers

4 0
3 years ago
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The volume of a conical pile of sand is increasing at a rate of 300πcm3/sec
lesya [120]
So using the formula for the volume of a cone:
r^2pi x h/3

The height is always 4 times the radius, so:
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Now putting the values into the original formula:

r^2pi x 4r/3

Now to see how much the radius increases per second:

r^2pi x 4r/3=300pi

r^2 x 4r/3=300

r^2 x 4r=900

r^2 x r=225

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The radius increases by the cubic square root of 225 cm per second.

f(s)= 225^1/3 cm
7 0
3 years ago
there are approximately 3 million births in the unitad states each year .find the birth rate per minute
juin [17]

Answer:

Approx. 6 b/m

Step-by-step explanation:

Find out How many minutes in a year which is 525600 then divide that by 3,000,000 which makes 5.7077 so rounded is 6.

3 0
2 years ago
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Giovanni bought 30 shares of Stock XYZ at the close price of $6.31. He
Diano4ka-milaya [45]

Answer:

Use the explantion to answer your question

Step-by-step explanation:

Amount he paid for first 20 shares

= $25 + (20 x $10.51)

= $25 + $210.20

= $235.20

Amount he paid for next 20 shares

= $25 + (20 x $8.93)

= $25 + $178.60

= $203.60

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= $438.80

3 0
3 years ago
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Clara found the product of 3 – 6y2 and y2 + 2. Her work is shown below. (3 – 6y2)(y2 + 2) = 3(y2) + (–6y2)(2) = 3y2 – 12y2 = –9y
vladimir2022 [97]

Answer:

No, She did not use the distributive property correctly.

Step-by-step explanation:

While multiplying (3-6y^2)(y^2+2), he did not use distributive property correctly. She only multiplied 3 with y^2 and not with 2. Also she multiplied -6y^2only with 2 and not with y^2.

6 0
3 years ago
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