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bonufazy [111]
3 years ago
13

PLEASE SHOW ALL WORK . If you do , I will reward brainliest !!

Mathematics
2 answers:
kogti [31]3 years ago
6 0
If u are going off of base times hight the answer is 33.75
Fittoniya [83]3 years ago
4 0

You have two triangles at each end and a rectangle in the middle. To solve for the triangles it's  b x h divided by 2.... so 3.75 x 3.75 = 7.03 mm squared x 2 ( because there are 2 triangles so 14.06 mm squared  now for the rectangle which length is 5.25 x width which is 3.75   so area is 19.69 mm squared now ad them together

14.06 plus 19.69  which is

33.75 mm squared 

Hope that helps


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Ms. Drohan's dog weighs 11 pounds 8 ounces. Ms. Granahan's dog weighs 245 ounces. Whose dog weighs more? A.
mash [69]

Answer: B . Ms. Granahan's dog weighs more

Step-by-step explanation:

1 pound = 16 ounces

11 pounds x 16 ounces = 176 ounces

176 + 8 ounces = 184 ounces

therefore , Ms. Drohan's dog weighs 185 ounces

B is the answer.

7 0
3 years ago
Read 2 more answers
Andrew deposits $300 into an account that earns 2% interest each year. After the first year, Andrew has $306 in the account. Aft
Sliva [168]

Answer:

It is a simple interest account

Step-by-step explanation:

As we might see from the given earnings, the amount of money he earned each year is the same as in the previous year. This means that the amount of money is growing linearly instead of exponentialy. This is characteristic to a simple interest account, which is found by using the formula:

I=Prt

where I = interest earned.

P = principal

r = Interest rate

t = time in years,

if we use this formula to calculate the amount of money earned after t years, we can see it will be the same as the values reported:

I=$300(0.02/year)(1year)=$6

I=$300(0.02/year)(2years)=$12

I=$300(0.02/year)(3years)=$18

So this simple interest account.

8 0
3 years ago
Please help will give brainliest
notka56 [123]

Answer:

b

the points make a sad face on the graph  and if you do the vertical line test you can see that its a function

3 0
3 years ago
It is desired to pile some logs in layers so that the top layer contains one log, the next layer contains two logs, the next lay
Hitman42 [59]

Answer:

Yes all of the logs can be used in such a grouping.

We'll have <u>19 logs</u> in the bottom row (and have 19 rows)

========================================================

Explanation:

Let n be the number of layers. Let T(n) represent how many logs there are total.

  • If you have 1 layer, then you have 1 log. So we can say that T(1) = 1.
  • If there are n = 2 layers, then we have 1 log on top of two other logs, which leads to 1+2 = 3 logs total. This shows that T(2) = 3.
  • If there are n = 3 layers, then we have 1 log on top of 2 which are on top of 3 at the very bottom. We have 1+2+3 = 6 logs total. So T(3) = 6.
  • Having n = 4 layers gives 1+2+3+4 = 10 logs. So T(4) = 10
  • Having n = 5 layers gives 1+2+3+4+5 = 15 logs. So T(5) = 15

This process continues for however long you like. The sequence 1,3,6,10,15 is the set of triangular numbers, since the logs form a triangular or pyramid shape when stacked this way. To get the nth value in the triangular number sequence, use this formula

T(n) = 0.5*n*(n+1)

---------------

For example, let's say we wanted to find how many logs there were in the fifth layer

T(n) = 0.5*n*(n+1)

T(5) = 0.5*5*(5+1)

T(5) = 15

This matches from earlier.

The purpose of bringing in a formula is to see if we can get T(n) = 190 for some integer n.

-------------------

T(n) = 0.5*n*(n+1)

190 = 0.5*n*(n+1)

190*2 = n(n+1)

380 = n^2+n

0 = n^2+n-380

n^2+n-180 = 0

Applying the quadratic formula will lead to the two solutions: n = -20 and n = 19. We ignore the negative value of n as we can't have a negative number of rows. Therefore, n = 19 is the only valid solution here.

If we wanted to stack 190 logs in this triangular pyramid fashion, then we'll need to have 19 rows. The bottom row will have 19 logs.

----------

Check:

1+2+3+4+5+6+7+8+9+10 = 55

11+12+13+14+15+16+17+18+19 = 135

55+135 = 190

Or you could say,

T(n) = 0.5*n*(n+1)

T(19) = 0.5*19*(19+1)

T(19) = 190

Either way, the answer is confirmed.

8 0
2 years ago
PLEASE HELP WILL GIVE BRAINLIEST <br><br><br><br> Graph the function.
jenyasd209 [6]
X=-2→y=7(6)^(-2+2)+1=7(6)^0+1=7(1)+1=7+1→y=8; (x,y)=(-2,8)
x=-5→y=7(6)^(-5+2)+1=7(6)^(-3)+1=7/6^3+1=7/216+1=0.0324+1→y=1.0324→(x,y)=(-5,1.0324)

Answer: Graph 3
3 0
3 years ago
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