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astraxan [27]
3 years ago
14

Strontium-90 has a half-life of about 29 years. After 65 years, about how many

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
4 0

Answer:

about 11.16 grams.

Step-by-step explanation:

65/29=2.24

So, if we divide 25 by 2.24, we should find the answer. We get:

25/2.24= about 11.16 grams.

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Are these ratios equivalent? 12 friends : 15 strangers AND 6 friends : 14 strangers
meriva

Answer:

No

Step-by-step explanation:

12:15 can be simplified to 4:5

6:14 can be simplified to 3:7

These two are not equivalent to eachother

6 0
3 years ago
Ania scored a total of 120 points this season so far and averaged 15 points a game. How many games has she played?​
arlik [135]
She played 8 games. Since she earned a total of 120 points and 15 points per game you would divide 120/15=8
4 0
3 years ago
You spin the spinner once.
Ymorist [56]

Answer:

0.625

Step-by-step explanation:

5 out of 8 of the sections in the circle are yellow. This means that there is a 5/8 chance of the spinner landing in a yellow section.

5/8 written as a decimal is 0.625

The answer is 0.625

6 0
3 years ago
(WILL GIVE BRINALIST TO BEST ANWER) WHATS the measure of < 3
malfutka [58]

Answer:

∠3 = 60°

Step-by-step explanation:

Since g and h are parallel lines then

∠1 and ∠2 are same side interior angles and are supplementary, hence

4x + 36 +3x - 3 = 180

7x + 33 = 180 ( subtract 33 from both sides )

7x = 147 ( divide both sides by 7 )

x = 21

Thus ∠2 = (3 × 21) - 3 = 63 - 3 = 60°

∠ 2 and ∠3 are alternate angles and congruent, hence

∠3 = 60°

8 0
3 years ago
The diagram below represent the rate of making copies on a copy machine. Which table represent this rate?
Nuetrik [128]

Answer:

its B

Step-by-step explanation:

6 0
2 years ago
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