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ivanzaharov [21]
4 years ago
3

Correctly complete this sequence: 88511, 16351, ?, 10251

Mathematics
1 answer:
BlackZzzverrR [31]4 years ago
6 0

Answer:

73155

Step-by-step explanation:

The sequence needs special mathematical sequence. We have to use all the mathematical operations (+, -, x, /) to find the missing number.

To find 16351, we have to use 88511 with the help of +,-,×,÷. Hence,

8 + 8 = 16,

8 - 5 = 3,

5 x 1 = 5,

1/1 = 1

Again, to find the missing number, we have to use 16351 with the help of +,-,×,÷. Hence,

1+6 = 7,

6-3 = 3,

3 × 5 = 15,

5 ÷ 1 = 5.

The missing number is 73155. However, we have to find 10251 with the help of 73155 to check whether the missing number is correct or not.

73155

7+3 = 10, 3-1 = 2, 1 × 5 = 5, 5 ÷ 5 = 1

Therefore, 10251 is correct with the help of 73155.

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A river flows at the rate of 12 feet per minute. What is the rate in second per foot?
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Answer: 1/5 or 0.2 in decimal form.

Explanation:

There are 60 seconds in a minute. We know the river flows 12 ft per 1 minute. So in order to find the rate per seconds, divide: 60/12. You get the answer: 1/5 or 0.2 in decimal form.
4 0
3 years ago
Solve x(x-1) (X-5) <=O​
lara [203]

Answer:

x <= 0 or  1 = < x <= 5.

Step-by-step explanation:

First we find the critical points:

x(x - 1)(x - 5) = 0

gives x = 0, x = 1 and x = 5.

Construct a Table of values:

               <u>  x < 0 </u>  <u>x = 0 </u> 0<u>< x < 1</u>  <u>1 =< x <= 5</u>     <u>x = 5</u>

x                  <0        0          >0             <0           0

x - 1             <0       -1           >0              <0           0

x - 5            < 0       0          > 0             <0           0

x(x-1)(x-5)    < 0      0          >0              <0          0 

So the answers are x =< 0 or  1 =< x <= 5.

8 0
3 years ago
X+y=2 2x^2+xy+1 Plz answer
iren2701 [21]

Answer:

answer is y^2-6y+9

Step-by-step explanation:

first take out the value of x from equation 1 which is x=(2-y)

then put the value of x in equation 2 u will get ur answer as y^2-6y+9

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Find sec A and cot B exactly if a = 8 and b = 7.
Shtirlitz [24]

Answer:

sec A= 1.01 and cot B =8.25

Step-by-step explanation:

Given :

sec A and cotB if a =8 and b=7

Now,

=sec A=\frac{1}{cos A} \\\\\frac{1}{cos 8} \\\\\frac{1}{0.99} \\1.01

and

cot B=\frac{cosB}{sin B} \\cotB=\frac{cos 7}{sin7} \\cot B =\frac{0.99}{0.12} \\cot B =8.25

Therefore, answer will be sec A= 1.01 and cot B =8.25

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