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topjm [15]
3 years ago
6

-4/5 + 4/5 Please I need the grade

Mathematics
2 answers:
KATRIN_1 [288]3 years ago
8 0

Answer:

0 hope it helps ok bye have a good grade

Phantasy [73]3 years ago
4 0
The correct answer is 0 because the Least common denominator and combine 0
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Drag each tile to the correct box.
marshall27 [118]

Answer:

Sequence B, Sequence A, Sequence C

Step-by-step explanation:

Data obtained from the question include the following:

Sequence A: 160, 40, 10, 2.5,

Sequence B: -21, 63, -189, 567, ...

Sequence C: 8, 12, 18, 27

Next, we shall determine the common ratio of each sequence. This is illustrated below:

Common ratio (r) is simply obtained by dividing the 2nd term (T2) by the 1st term (T1) or by dividing the 3rd term (T3) by the 2nd term (T2). Mathematically, it is expressed as:

r = T2/T1 = T3/T2

For sequence A:

160, 40, 10, 2.5

2nd term (T2) = 40

Ist term (T1) = 160

Common ratio (r) =..?

r = T2/T1

r = 40/160

r = 1/4

r = 0.25

Therefore, the common ratio is 0.25.

For sequence B:

-21, 63, -189, 567

2nd term (T2) = 63

Ist term (T1) = -21

Common ratio (r) =..?

r = T2/T1

r = 63/-21

r = - 3

Therefore, the common ratio is - 3.

For Sequence C:

8, 12, 18, 27

2nd term (T2) = 12

Ist term (T1) = 8

Common ratio (r) =..?

r = T2/T1

r = 12/8

r = 3/2

r = 1.5

Therefore, the common ratio is 1.5.

Summary:

Sequence >>>>> Common ratio

A >>>>>>>>>>>>> 0.25

B >>>>>>>>>>>>> - 3

C >>>>>>>>>>>>> 1.5

From the above illustration,

Ordering the sequence from least to greatest common ratio, we have:

Sequence B, Sequence A, Sequence C.

7 0
3 years ago
I need the answer ASAP :/
valina [46]

Answer:

x≥20 (2)

Step-by-step explanation:

x/2+4≥14

(x+8)/2≥14

x+8≥28

x≥20

x∈[20;∞)

3 0
3 years ago
Read 2 more answers
Pls answer i need help asap lol, No links (30 points + brainly)
professor190 [17]

The corresponding answers for each student plan are:

plan A: 15 years

plan B: 5 years

plan C: 10 years

plan D: 9 years

Thus, first, the graph corresponding to each of the plans must be analyzed. The Y-axis corresponds to money and the x-axis corresponds to the time in years.

Thus, in-plane A, it can be observed that to reach the desired value, the graph will be projected in exponential, so it will be close to 15 years. In plan B, this projection will be reached around 5 years. In plans C and D, this projection will be 10 years and 9 years respectively.

7 0
3 years ago
a scale model is made of a plane whose length is 114ft and whose wingspan is 95ft if the length of the model is 31 inches, find
Vlad [161]

Answer:

25.8

Step-by-step explanation:

114 ft ---> 31 inches

114 ft = 1368 inches

31/1368=0.02266081871 inch scale model

95 feet = 1140 inches, so 1140 * the scale factor of 0.02266081871= 25.83333..

This means, to the nearest tenth inch, the wingspan of the scale model is 25.8

6 0
3 years ago
Itś my Brotherś Algebra work, Law of Exponents. Please help! Thanks.
Ira Lisetskai [31]

Answer:

(x^2)*y

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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