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Readme [11.4K]
4 years ago
5

What is the 25th term in the following arithmetic sequence? -7, -2, 3, 8, ...

Mathematics
1 answer:
Klio2033 [76]4 years ago
4 0

Answer:

108.

Step-by-step explanation:

-7, -2, 3, 8 is an arithmetic sequence with a1 (first term) = -7 and common difference (d)  = 5.

The 24th term = a1 + (24 - 1)d

=  -7 + 23 * 5

= -7 + 115

= 108.

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Using the distributive property, an expression equivalent to 34 + 16 is????
fgiga [73]
The answer would be A, because 34+16=50 and 2(17+8)=2(25)=50
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4 years ago
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What are three equivalent ratios for 30/90
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A picture frame measures 9 inches high and 5.4 Inches wide. It will be proportionately enlarged so the height will be 15 inches.
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Answer:

Width: 9 inches

Step-by-step explanation:

1. We can see that the height increased by 6 inches, provided a difference of 15 and 9. If the question states that the frame's dimensions were proportionately enlarged, perhaps the height's enlargment could be benificial

2. If we were to take a ratio where the increased height is over the previous height (height enlargment/prior height) that would be 6/9, or in other words, can be simplified to be 2/3

3. We can see that if the width were to be enlarged, we might be able to determine how much it should be enlarged through a proportionality, provided <em>the frame's dimensions are proportionately enlarged.</em> Now if x ⇒ the width enlargment: 2 / 3 = x / 5.4

4. Through cross multiplication, let us solve for x:

2 * 5.4 = 3 * x,

10.8 = 3 * x,

x = <em>3.6 inches by which the width should be enlarged</em>

5. If we are to determine the new width of the frame after enlargment, add <em>5.4 to 3.6 ⇒ the width of the frame ⇒ 9 inches</em>

8 0
3 years ago
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If I multiply a number L by another number M, I get 452,199. If I multiply L by the successor of M, I get 454,322. Find L x L.
Genrish500 [490]

Step-by-step explanation:

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Therefore L * (M + 1) = L * M + L.

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Hence L² = 2,123² = 4,507,129.

8 0
3 years ago
What is the answer too 4(2x+1)
Archy [21]

Answer:

8x+4

Step-by-step explanation:

4(2x+1)=8x+4

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3 years ago
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