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Bingel [31]
3 years ago
15

Write an inequality to represent the situation THE TEMPERATURE STAYED ABOVE 15 DEGREES

Mathematics
1 answer:
yulyashka [42]3 years ago
5 0
Temperature > 15 degrees
t > 15
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) Asuka travels at an average speed of 50 mph for 20 miles.
Anuta_ua [19.1K]

Answer: 41.86 miles/hour

Step-by-step explanation:

Use Distance = Speed*Time to find the two missing values with the data that is provided for those two cases [<em>in brackets</em>].

MPH MILES     HOURS

 50            20      [<em>0.4]</em>

 [<em>40</em>]    <u>70</u>      <u>1.75</u>

Totals   90 miles   2.15 hours

Average = 90 miles/2.15 hours

     41.86 mph

5 0
2 years ago
5/10 + 8/100= ? <br> 13/100, 40/100, 58/100, 6/10
Nesterboy [21]

Answer:

58/100

Step-by-step explanation:

The first step is to make the two fractions have a common denominator. 5/10=50/100. Now you can add the two fractions together. 50/100+8/100=58/100. Hope this helps!

5 0
2 years ago
Read 2 more answers
Two solid metal spheres have masses of 5 kg and 135 kg respectively. If the radius of the smaller one is 4 cm, find the radius o
Cerrena [4.2K]

Answer: 12 cm

Step-by-step explanation:

The masses of the spheres are proportional to their volums, and the cube of the ratio is k^3=135/5=27 ==> k=3

The greater radius is 3*4=12 (cm)

8 0
2 years ago
Sodium-24 has a half-life of 15 hours. how many grams of a 900 g sample will remain after 90 hours
raketka [301]

Answer: Option 'B' is correct.

Step-by-step explanation:

Let the initial concentration be

N_0=900\ g

Let concentration after t= 90 hours be N

Since we have given that Sodium-24 has a half life of 15 hours i.e.

t_{\frac{1}{2}}=15

So, According to question,

\text{ Number of half lives }=\frac{t}{t_{\frac{1}{2}}}\\\\\text{ Number of half lives }=\frac{90}{15}\\\\\text{ Number of half lives }=6

As we know that

\frac{N}{N_0}=(\frac{1}{2})^n\\\\N=N_0\times (\frac{1}{2})^n\\\\N=900\times (\frac{1}{2})^6\\\\N=\frac{900}{64}\\\\N=14.0625\ g

Hence, Option 'B' is correct.

4 0
3 years ago
Solve the inequality x + 2 ≥ 8
shepuryov [24]

Answer:

the answer is x ≥ 6

Step-by-step explanation:

x ≥ 8 - 2

x ≥ 6

6 0
3 years ago
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