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cluponka [151]
3 years ago
6

What is the last number in the number sequence given below? 10 : 10 : 20 : 45 : 110 : 300 : ?

Mathematics
2 answers:
cupoosta [38]3 years ago
8 0
Hello,


10 times 0.5 plus 5 equals 10
10 times 1 plus 10 equals 20 
20 times 1.5 plus 15 equals 45
45 times 2 plus 20 equals 110
110 times 2.5 plus 25 equal 300
<span>300 times 3 plus 30 equals 930
</span>
Hope this helps<span />
MrRissso [65]3 years ago
3 0
To get from the first number to the second number the equation is 10x0.5+5=10
Thereafter the equation to get to the next number is 10x1.0+10=20
Thereafter the equation to get the next number is 20x1.5+15=45
Thereafter the equation to get the next number is 45x2.0+20=110
You can notice the pattern, the first number is what the last number was, you increase the second number by 0.5 and you increase the third number by 5.
Following this pattern to find the last number you do 110x2.5+25. This equation results in the number 300. Now time for the last number. You input 300x3.0+30. The answer results in 930. Therefore, the missing number is 930. 
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Select the correct answer from the drop-down menu.
Papessa [141]

Answer:

21 times

Step-by-step explanation:

Given

P(3) = 50 \%

n =42

Required

The least number of times to land on 3

This is calculated using:

Least = n * P(3)

Least = 42 * 50\%

Least = 21

4 0
3 years ago
4 times a number is 16​
andrey2020 [161]

Answer:

4 times 4 equals 16

Step-by-step explanation:

4 times 1= 4

4 times 2= 8

4 times 3= 12

4 times 4= 16

you add 4 after each result.

4 0
3 years ago
PLEASE HELP ! (EASY)<br><br> (x-7)^3 (x+2)^2 (x-13) &lt;0<br><br> what are the possible values of x?
Dimas [21]
Just plug the inequality in desmos and you get 7<x<13
4 0
3 years ago
Consider line A whose equation is y = -10x + 8. If line B is perpendicular to line A and has a y-intercept at y = 3, what is the
r-ruslan [8.4K]

Answer:

C) . y=(1/10)x+3

Step-by-step explanation:

Given the equation of the line is y=-10x+8

It is in the form of y=mx+c where m is the slope of the line. Now on comparision we get m1=-10.

We knoew that two lines are perpendicular iff the product of their slopes is equal to -1.

m1*m2=-1

the slope of the recquired line =\frac{-1}{-10}=\frac{1}{10}

The equation of a line is typically written as y=mx+b where m is the slope and b is the y-intercept

Given the y intercept of the recquired line (b)=3

The recquired line is

y=mx+b

y=(1/10)x+3

7 0
3 years ago
If triangle DEC is congruent to triangle BEC,which is true by CPCTC?
inn [45]
Let's go through the possible answer choices one by one

A) BE is congruent to ED
This is true because "BE" and "ED" are formed by the first two letters of BEC and DEC respectively. The triangles are congruent, so the corresponding sides must be congruent. To name a segment, the order does not matter. Writing "DE" is the same as "ED".

B) AC is congruent to BD
False. Point A isn't mentioned at all. We don't know for sure how point A fits in. The statement may be true, or it could easily be false as well. We don't have enough info.

C) Angle BEC = angle DCE
False. The order of the letters is very important. For angle BEC, we have E in the middle so the vertex of the angle is at point E. For angle DCE, the vertex is at point C. If angle BEC = angle DCE, then E and C must correspond; however they don't. Back up at the top, it says "DEC is congruent to BEC", so we see that E corresponds to E, and C corresponds to C. 

D) angle BCA = angle BCD
False. Again we don't know anything about point A. The same issues come up as they did with choice B.

The only true result is choice A
8 0
3 years ago
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