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siniylev [52]
2 years ago
9

=

Mathematics
2 answers:
SOVA2 [1]2 years ago
8 0

Answer:

Tn=13n-18

Step-by-step explanation:

Tn=-5(n-1)13

Simplify

this is using the a+(n-1)d

kap26 [50]2 years ago
8 0

Good morning ☕️

Answer:

<h2>U1  = -5</h2><h2>Un = Un-1 + 13  when n≥2</h2><h2 /><h2 />

Step-by-step explanation:

-5, 8, 21, 34, 47, 60

60-47=13

47-34=13

34-21=13

21-8=13

8-(-5)=13

then the common differences q for this arithmetic sequence Un is 13

Then the recursive formula is:

U1 = -5

Un= Un-1 + r  when n≥2

U1 = -5

Un= Un-1 + 13  when n≥2

:)

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Alice works at a health care facility. She has measured the hemoglobin levels of 200 people. The data follows a normal distribut
dimulka [17.4K]
In normal distribution, 68% of the values are within +_ 1 SD. That leaves 32% outside that range. Thus, 32 people with greater than 13, 100 people greater than 14 (200*0.68/2+32)
5 0
2 years ago
Read 2 more answers
If 1 British pound equals 1.6972 Swiss francs, then 1 Swiss franc equals approximately how many British pounds?
marusya05 [52]
Start with "<span>1 British pound equals 1.6972 Swiss francs" and make a conversion factor out of it:
</span>
1.6972 Sw. F.
------------------
 1 Br. pound

Invert this, obtaining:  

 1 Br. pound
-------------------
1.6972 Sw. F.


Here's where the fun begins.  To find the value of 1 SFr in BPS, mult.

1 SFr by the above conversion factor:

1 SFr             1 BPS
----------- * --------------------- = 0.5892 BPS
      1          1.6972 Sw. F.

This is a formal way in which to do this problem.  You could obtain the same result if you'd simply invert 

 1 Br. pound
------------------- = 1
1.6972 Sw. F. 

and divide 1 by 1.6972.
8 0
2 years ago
Read 2 more answers
For which segment lengths is AC¯¯¯¯¯ parallel to DE¯¯¯¯¯ ?
Kruka [31]

Answer:


Step-by-step explanation:

By triangle theorem for similarity we have

AC||DE if and only if

the ratios

\frac{AD}{BD}=\frac{CE}{EB}

Option I:

Here we find the ratios are equal to 1/2

Hence parallel

OPtion 2:

Here we get both ratios equal to 2/3 Hence parallel

Option 3:

Here we get I ratio =2/5 and II ratio =4/7

Since the two are not equal we get not parallel

4 0
2 years ago
Read 2 more answers
What value of x would make KM ∥ JN?
stepan [7]

Answer:

x = 10

Step-by-step explanation:

By the converse of the side-splitter theorem, if \dfrac{JK}{KL}= \dfrac{NM}{ML} , then KM ∥ JN.

Substitute the expressions into the proportion:

\dfrac{x-5}{x}= \dfrac{x-3}{x+4}

Cross-multiply:

(x – 5)(x+4) = x(x – 3).

Distribute:

x(x) + x(4) - 5(x) - 5(4) = x(x) + x(-3).

Multiply and simplify:

x^2 +4x- 5x - 20 = x^2-3x\\-x-20=-3x\\$Collect like terms$\\-x+3x=20\\2x=20\\$Divide both sides by 2\\x=10

Solve for x: x = 10

Therefore, the value of x that would make KM parallel to JN is 10.

4 0
2 years ago
An architect builds a scale model of a building, where 1 cm = 0.5 m. If the scale model is 15 cm tall, how tall will the actual
olganol [36]

Answer:

The actual building will be 7.5 m tall

Step-by-step explanation:

Given the scale model value of the building, we want to find the actual height of the building

From the scale model;

1 cm = 0.5m

Thus 15 cm will be 15 * 0.5 = 7.5 m

7 0
1 year ago
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