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USPshnik [31]
2 years ago
10

Seven times the sum of a number and 1 is 28.

Mathematics
2 answers:
jekas [21]2 years ago
8 0

Answer:

3

Step-by-step explanation:

k12

lisabon 2012 [21]2 years ago
5 0

The number in the question that gives 28 after the operations is; <em><u>3</u></em>

We are told that the product of seven and the sum of a number and 1 is 28.

Let the number be x. Thus;

7(x + 1) = 28

Use division property of equality to divide both sides by 7.

7(x + 1)/7 = 28/7

(x + 1) = 4

Use subtraction property of equality to subtract 1 from both sides to get;

x + 1 - 1 = 4 - 1

x = 3

Therefore, in conclusion the number is 3.

Read more at; brainly.com/question/10465740

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On a coordinate plane, a curved line crosses the x-axis at (negative 1, 0) and the y-axis at (0, 2).
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Answer:

Step-by-step explanation: the answer is you 0,7

4 0
3 years ago
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a building with a height of 32m casts a shadow that is 20m long. a person standing casts a shadow that is 1.2 m long how tall is
wlad13 [49]
Most of the information's required for solving the question is already given in the question.
Height of the building that casts a shadow of 20 m = 32 m
Then
Height of the man that casts a shadow of 1.2 m = (32/20) * 1.2 meter
                                                                             = 3.2 * 1.2 meter
                                                                             = 3.84 meter
So the actual height of the person casting a shadow of 1.2 meter is 3.84 meters. I hope that the procedure used for solving the problem is easy enough for you to understand. You can definitely use this method in future for solving problems of similar type without requiring any additional help from outside.

6 0
3 years ago
If f(x)= 0, what is x?
crimeas [40]

Answer:

X is the input to the function ... it appears that it is unrestricted...

it can be anything from -∞ to + ∞ (the domain) ..

in every case the output (range) is "0"

Step-by-step explanation:

7 0
3 years ago
rodney needs $90 to buy a fish tank. he has saved $35 and plans to work as a babysitter to earn $5 per hour. which inequality sh
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N = number of hours.

$5 per hour, total = 5*n = $5n

Since $35 has been saved. 

The amount saved plus the amount got from baby sitting should be greater or equal to the $90 cost.

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5n ≥ 90 -35

5n ≥ 55

n ≥ 55/5

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So Rodney should baby sit for at least 11 hours, that is 11 and above.
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A cube with an edge of length s has a volume of 27 units.<br> What is the length of s?
matrenka [14]

Answer:

s = 3

Step-by-step explanation:

The volume formula for a cube is V = s^3, where “s” is the edge length. Since we know the volume and need to find “s,” we just do the inverse operation for an exponent, which is a radical. The cubed root of 27 is 3, so there’s your answer! Hope this is helpful & accurate. Best wishes.

5 0
3 years ago
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