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Pavel [41]
2 years ago
5

Yasmin is testing an unknown solution to determine whether it is an acid or a base. she dips red litmus paper in the solution. i

t remains red. what can she conclude about the sample? it is an acid. it is a base. it is not an acid. it is not a base.
Mathematics
1 answer:
Sholpan [36]2 years ago
3 0

Answer:

it is an acid. it is not a base

Step-by-step explanation:

litmus paper turns red in indication of an acid. bases are always alkali. therefore red litmus paper = acid. so solution cannot be a base

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Convert 5.100 × 10-3 to ordinary notation.<br> a.0.0005100<br> b.0.005100<br> c.510.0<br> d.5100
kondor19780726 [428]
5.100 x 10⁻³ = 5.100 x 0.001
                    = 0.005100      (shift the decimal point for 5 by 3 units left)

Alternatively, because 10⁻³ = 1/1000, therefore
5.100 x 10⁻³ = 5.1/1000

           0.0051
         ---------------
1000 | 5.100
           5000
           -------------
              1000
              1000
            
This yields the same result.

Answer: b. 0.005100
4 0
3 years ago
PLS HELP ASAP<br><br><br><br> WORTH 99 POINTS!
chubhunter [2.5K]

Answer:

I’m pretty sure it’s 10

Step-by-step explanation:

Because the formula is something like baseXhight divided by two. and 2 times sixty is 120 so 120/12=10 that divided by 2 is five so the answer is either 5 or 10

7 0
3 years ago
Read 2 more answers
Let x and y be any numbers at all with x ≤ y. Show that the number of integers between x and y is [y] - [x] +1.That is show that
ddd [48]

Answer:

the explanation is given below.

Step-by-step explanation:

  • Here what is applied is assumption of range of values of number from say 1 - 100
  • In total, i stopped at 100 on the dot.

from this, the lowest number is 1 and the highest number is 100

  • hence the range of the numbers = Difference between Highest and Lowest
  • range = 100 - 1 = 99, the 99 gotten as the range is indicative that a number has been missing.

  • In order to make up the 100, an integer is added to the difference = 99, i.e 99 is added to 1 to make up the 100.

  • Furthermore, if 0 is exclusively out when numbers are counted up 100 with 0 inclusive, in such case, the first and last number are excluded from the counting. as such the integers will be {1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20.........., 99} since both 0 and 100 are not included.

  • Here, if we try to get the range = highest - lowest = 99 - 1 = 98, it implies that to make up the 99, an integer is added to the result of the difference = 98+1 = 99

  • As such, the number of integers between two numbers is the difference between the highest and the lowest number plus 1 i.e highest - lowest + 1 = y - x +1 = (the floor of y) - ( the ceiling of x) + 1
5 0
3 years ago
Plsss answer
disa [49]

Answer:

59/9

Step-by-step explanation:

d=100. 12/4=3 min/lap

12mins 4 laps. 100/180= 59/9

R=50

2(pie)(50)=100(pie)

6 0
2 years ago
Read 2 more answers
Can y’all help me out
Gnoma [55]

Answer:

X= -2

(I think)

Step-by-step explanation:

I hope this helped

8 0
3 years ago
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