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crimeas [40]
3 years ago
7

Please help me find out what x=

Mathematics
1 answer:
Lunna [17]3 years ago
4 0
X = 47
you subtract 133 from 180
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In the late nineteenth century, the scientist Marie Curie performed experiments that led to the discovery of radioactive substan
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Answer:

Step-by-step explanation:

Half life is the time taken by a radioactive substance to reduce of half of its original size

If the half life of radium is 1600, this means that the original radioactive substance N0 have reduced to N0/2 after 1600 years

if we are given N0 = 1000grams

The amount of the substance that will remain after 1600 years will be N0/2 i.e 1000/2 = 500g

<em>Hence 500 grams of radium will be left after 600years</em>

5 0
3 years ago
Write the expanded form of 5360
Over [174]

Answer:

5000+300+60+0

Step-by-step explanation:

4 0
1 year ago
Gavin bought 5 yards of fabric for his project how many inches of fabric did Gavin Buy
Aloiza [94]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ There are 180 inches in 5 yards.

1 yd = 36 in

36 x 5 = 180

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

4 0
3 years ago
Read 2 more answers
Kate's garden measures 15 yards by 12 yards. In order to make a path around it she will need to reduce the size of her garden. T
joja [24]
It should be 91.8 yards. Whenever you lower the dimensions, you'd multiply each factor by 0.7 to get a scale factor of them. After doing so, you'd get the dimensions of 10.5 and 8.4. After finding the area of the whole garden area, it'd be 180 yards. Then using the factored area which is 88.2, you'd subtract 88.2 from 180, leaving you with 91.8, being the area of the path.
4 0
3 years ago
Please help me my moms gonna kill me if I don’t get this done(20 points)
Nutka1998 [239]

Answer:

x=30° y=4

Step-by-step explanation:

\frac{y}{8}  =  \frac{2.5}{5}

cross multiple

5y=8(2.5)

5y=20

divide 5 by 20

and you should y=4

since the polygons are similar x should have the same degrees as the bigger polygon

8 0
3 years ago
Read 2 more answers
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