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xz_007 [3.2K]
3 years ago
11

18, 26, 34, 42, find the 52nd term and the explicit formula

Mathematics
1 answer:
daser333 [38]3 years ago
3 0
We have 26 - 18 = 8; 34 - 26 = 8; 42 - 34 = 8; (an arithmetic progression)
We use the formula an = a1 + (n-1)x8 (the explicit formula)
So, an = 18 + (n-1)x8 ;
Then, an = 8n + 10;
Finally, a52 =  8x52 + 10 = 426 (the 52nd term);


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Can someone help me from one two four please
Lunna [17]

1. 15 / 1/3

When dividing, the second fraction flips over .

15* 3/1= 45/1= 45

2. 24 / 1/6

24*6= 144

4. 7/12 / 1/3

7/12*3/1

Cross out 3 and 12, divide by 3

12/3= 4

3/3= 1

7/4* 1/1. Multiply the numerator together. Multiply the denominators together.

7*1= 7

4*1= 4

7/4 or 1 3/4

Answers :

1. 45

2. 144

4. 7/4 or 1 3/4

7 0
3 years ago
Read 2 more answers
Find the measure of the indicated angle to the nearest degree 9 25
SCORPION-xisa [38]

Answer:

1. 34.4°

2. 18.8°

3. 37.7°

4. 36.6°

5. 40.6°

6. 7.5

7. 12.3

8. 14.7

9. 22.0

10. 6.3

Step-by-step explanation:

1. The missing angle is found by the use of the sine.

Sine ∅= opposite/ hypotenuse

=13/23

sin⁻¹(13/23)=34.4°

2. The missing angle is calculated by the use of the tan.

Tan∅=opposite/adjacent

=17/50

Tan⁻¹(17/50)=18.8°

3. The missing angle is calculated by the use of the tan.

Tan∅=opposite/adjacent

=17/22

Tan⁻¹ (17/22) = 37.7°

4. The missing angle is calculated by the use of the tan.

Tan∅=opposite/adjacent

=21/28

Tan⁻¹ (21/28)=36.9°

5. The missing angle is calculated by the use of the tan.

Tan∅=opposite/adjacent

=24/28

Tan⁻¹ (24/28) = 40.6°

6. Missing side is calculated by considering the tan of 58°

Tan 58°=12/x

x=12/Tan 58°

=7.5

7.  Missing side is calculated by considering the sine of 43°

Sin 43°= opposite / hypotenuse

Sin 43 =x/18

x= 18 Sin 43

=12.3

8.  Missing side is calculated by considering the sine of 62°

Sin 62° = 13/x

x=13/Sin 62°

=14.7

9.  Missing side is calculated by considering the tan of 36°

Tan 36°= 16/x

x=16/Tan 36°

=22.0

10. Missing side is calculated by considering the sine of 23°

Sin 23° = x/16

x=16 Sin 23

=6.3

8 0
3 years ago
Calculate the area of a circle with diameter of 12m
andriy [413]
A≈113.1m²
...........................113.1m²
6 0
3 years ago
What is the angles mSRW?
Scilla [17]

Answer:

126°

Step-by-step explanation:

(2x +18)° = (3x)°

2x + 18 = 3x

18 = 3x - 2x

18 = x

therefore, (3x)° = (3*18)°= (54)°

m\angle SRW + (3x)\degree = 180\degree \\m\angle SRW + 54\degree  = 180\degree \\m\angle SRW = 180\degree  - 54\degree  \\\huge\red{\boxed{m\angle SRW = 126\degree}}

5 0
3 years ago
How do you solve 8x-43?
barxatty [35]

Answer:

-5

Step-by-step explanation:bro all u have to do is divide 8 by -43

3 0
3 years ago
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