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Flauer [41]
3 years ago
7

Question#6 What is the next term of this sequence?-12, -15, -18, -21, ?

Mathematics
1 answer:
dolphi86 [110]3 years ago
3 0

Answer:

-24

Step-by-step explanation:

-12, -15, -18, -21,

Notice that we are subtracting 3 each time

-12 -3 =-15

-15 -3 = -18

So -21 -3 = -24

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At Billy‘s preschool they have bicycles and tricycles with a total of 57 wheels. The number of bicycles is three less than three
ikadub [295]
Use b for bicycles b and t for tricycles.

We know that each bicycle has 2 wheels, and each tricycle has 3 wheels, and if the entire number of wheels is 57, that means the 

equation would be: 2b + 3t = 57

We can "separate" b by calling it "25 - t" as an alternative, 

2(25 - t) + 3t = 57, or

50 - 2t + 3t = 57,

or 50 + t = 57, so

t = 7 So there must be 18 bicycles and 7 tricycles.

CHECKING:You can check this out by multiplying 7 tricycles x 3 wheels, which is 21,

and 18 bicycles x 2 wheels, which is 36

36 + 21 = 57
6 0
3 years ago
Spinner 1 is divided into four congruent sections, and Spinner 2 is divided into three congruent sections, as shown below. Each
xenn [34]

Answer:

I believe the answer would be 1/6

Step-by-step explanation:

The work already says that there are 2 possible choices. This would be 2/12. This is further simplified to 1/6. Hope this helps

3 0
3 years ago
Read 2 more answers
If 17 is 10 more than half of the number what is its original number
disa [49]
I suppose its 7, subtracted


4 0
3 years ago
Read 2 more answers
The mean incubation time of fertilized eggs is 19 days. Suppose the incubation times are approximately normally distributed with
pochemuha

Answer:

a)17.92

b) 16.83 .... 21.17

Step-by-step explanation:

ρ→   z

0.14 = -1.080319341

-1.080 = (x - 19)/1 = 17.92

~~~~~~~~~~~~~~~~~~

3% / 2 = 1.5%

1.5% - 98.5%

ρ→   z

0.015 = -2.170090378 ....  -2.17 = (x-19) =16.83

0.985 = 2.170090378  ....   2.17 = (x-19) =21.17

8 0
3 years ago
Anju had 3 (3 / 4) cup of sugar . She used 1 (2 / 3 )cup of sugar to bake a cake . How mush sugar does anju have lift ?
Artist 52 [7]

Answer:

y=\frac{1}{12} cup\ of\ suger

Step-by-step explanation:

From the question we are told that:

Sample size n=3(3/4)=9/12

Amount used x=1(2/3)=2/3

 

Generally the equation for sugar lift y is given as is mathematically given by

 y=n-x

 y=\frac{9}{12} -\frac{2}{3}

 y=\frac{1}{12}

7 0
3 years ago
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