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Sonbull [250]
2 years ago
13

Can someone please help me with this question

Mathematics
1 answer:
Elina [12.6K]2 years ago
6 0

Answer:

The answer should be: B

I think it's B because there are 2 cups of water (2c) and 7 bottles of water (7w) which costs $16 so that would be 2c +7w=16. Also for the other one, it's 3 cups (3c) and 8 bottles of water (8W) and the cost is $19 so that would be

3c + 8w =19

Step-by-step explanation: Hope this helps and gl :))

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5 0
3 years ago
What <br> arithmetic sequence with a_{4}=18 and a_{10}=48
nignag [31]

Answer:

a_{n} = 5n - 2

Step-by-step explanation:

the nth term of an arithmetic sequence is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

given a₄ = 18 and a₁₀ = 48 , then

a₁ + 3d = 18 → (1)

a₁ + 9d = 48 → (2)

subtract (1) from (2) term by term to eliminate a₁

6d = 30 ( divide both sides by 6 )

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substitute d = 5 into (1) and solve for a₁

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a₁ = 3

Then

a_{n} = 3 + 5(n - 1) = 3 + 5n - 5 = 5n - 2

3 0
1 year ago
MATH!!! I HAVE NO IDEA HOW TO DO THIS PLEASE SHOW ME THE WORK I WANNA KNOW HOW TO DO THIS FOR THE NEXT QUESTION!!!!​
zimovet [89]

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>

Answer:

Sorry I'm late!

Step-by-step explanation:

<em>Formula ⇒ </em>A = \frac{1}{2}bh

A = \frac{1}{2}bh

A = \frac{1}{2}(5)(7)

A = \frac{1}{2}(35)

A = 17.5

<h3>The Area of the face of the triangle is 17.5 in²</h3>

I hope this helps!

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6 0
3 years ago
What’s the reciprocal of -8
denpristay [2]
The reciprocal of -8 will be -1/8

hope this helped.
3 0
3 years ago
In the rectangle below AC has a length of 28. What is the length of ED? If necessary, round your answer to two decimals places.
expeople1 [14]
<span>The diagonals of a rectangle have equal lengths. Since AC has a length of 28, and AC is a diagonal, the other diagonal BD also has a length of 28. The diagonals of a rectangle also bisect each other. So diagonal BD is bisected by the other diagonal AC at point E. And since diagonal BD has a length of 28 then BE and ED both have a length which is of 28, or 14 each.

Answer: ED has a length of 14.</span>
3 0
3 years ago
Read 2 more answers
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