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Dimas [21]
3 years ago
10

Plss plss hurry I need help with number 7

Mathematics
1 answer:
Ymorist [56]3 years ago
5 0

Answer:

the answer is is H hopefully that is right

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Which unit of measure would be the most appropriate to measure the capacity of a large vase
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A radioactive isotope has a half life of 4.51 days. If 12.63 grams are now present, how much will be left after 15
Marizza181 [45]

Answer:

Step-by-step explanation:

f=ir^t\\ \\ \frac{1}{2}=r^{4.51}\\ \\ ln(0.5)=4.51lnr\\ \\ r=e^{\frac{ln0.5}{4.51}}\\ \\ r\approx 0.8575\\ \\ f(15)=12.63(0.8575^{15}\\ \\ f(15)\approx 1.26g

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Is 3x+x equivalent to x(2+1)
Cloud [144]

Answer:No

Step-by-step explanation:

first values is 3x+x = 4x

second value is x(2+1) = x(3) = 3x

since 3x!=4x . answer is no.

5 0
3 years ago
5. You are making your Halloween costume this year. You have 6 yards of fabric and the pattern says that you need to cut it in t
REY [17]

Answer:

The shorter side piece of fabric = x = 8 feet

The longer side piece of fabrics = (x + 2) = 10 feet

Step-by-step explanation:

Total yards of fabrics = 6 yards

you need to cut it in two pieces where one is two feet longer than the other.

First piece= x feet

Second piece= x+2 feet

Convert 6 yards to feet

6 yards = 18 feet

First piece + second piece = total piece of fabrics

x + (x+2) = 18

x + x + 2 = 18

2x + 2 = 18

2x = 18 - 2

2x = 16

Divide both sides by 2

x = 16 / 2

x = 8 feet

8 feet = 2.66667 yards

x + 2

= 8 + 2

= 10 feet

10 feet = 3.33333 yards

The shorter side piece of fabric = x = 8 feet

The longer side piece of fabrics = (x + 2) = 10 feet

7 0
3 years ago
What is the factored form of
Lilit [14]

Answer:

C

Step-by-step explanation:

You can distribute the values or even plug in x=2 and see which one matches.

3 0
3 years ago
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