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Lostsunrise [7]
2 years ago
15

I need help with this​

Mathematics
1 answer:
Anni [7]2 years ago
6 0

Step-by-step explanation:

1. 5 1/4 = 21/4

21/4 ÷ 3/4 = 7/4

2. 7 1/2= 15/2

15/2 ÷ 1/4 = 1.875

3. 3 2/5 = 17/5

17/5 ÷ 2/7 = 0.24

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Find the 31st term of the following sequence.. . 9, 15, 21, .... . . 186. 189. 195. . . is there an easy way to do this.
Alja [10]
This problem is an example of an arithmetic series.

The common difference of the second term (15) with the first term (9) and the third term (21) with the second term (15) [15-9=6; 21-15=6] is 6.

The formula for solving this is:
An= A1 +(n-1)*d where An is the nth term, A1 is the first term, n is the number of terms and d is the common difference.

An=9+ (31-1)*6 = 189

The answer is 189.
7 0
3 years ago
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Which inequalities are true? Select the four correct answers.
tiny-mole [99]

The correct anwer is option C and option E which are √4<√5<√√55 and √8<2.9<√√9.

<h3>What is inequality?</h3>

Inequality is the relationship between two expressions that are not equal, employing a sign such as ≠ “not equal to,” > “greater than,” or < “less than.”.

The two inequalities √4<√5<√√55 and √8<2.9<√√9. are true.

√4<√5<√√55  → 2 < 2.23 < 7.41

√8<2.9<√√9    → 2.82 < 2.9 < 3

Therefore correct answers is option C and option E which are √4<√5<√√55 and √8<2.9<√√9.

To know more about inequality follow

brainly.com/question/24372553

#SPJ1

6 0
2 years ago
Brandon has 10 but each bag has 6 chocolates how many chocolates does he have in total
sp2606 [1]
Brandon has 10 but each bag has 6 chocolates how many chocolates does he have in total
7 0
2 years ago
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ABC and DEF shown in the diagram below are similar.
DanielleElmas [232]

Answer:

B. Angle E=43

Step-by-step explanation:

Angles DEF are = to 73 degrees

73-43=30/2=15

15+15+43=73

4 0
2 years ago
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A right triangle has an area of 33 mm2 and a height of 12mm. How long is the base of the triangle
klasskru [66]

Answer:

5.5

Step-by-step explanation:

6 0
2 years ago
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