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belka [17]
3 years ago
10

If you take of a number and add 4, you get 16. The equation represents this situation. If x represents the original number, what

does x equal?
Mathematics
1 answer:
babunello [35]3 years ago
6 0

Answer:

x = 12

Step-by-step explanation:

equation:

x + 4 = 16

to solve for x, subttract 4 on each side:

x + 4 - 4 = 16 - 4

x = 12

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A newborn weighs 8 pounds, 5 ounces. There are 453.59 grams per pound. What is the infant's weight in grams?
Nadya [2.5K]
Convert from Oz and Lbs.

1 Pound = 453.59237 Grams

1 Ounce = 28.3495231 Grams

3628.73896 for Lbs

141.7476155 for Oz

Add them, and you get:

3770.4865755

I didn't know if you needed rounding - it was classified as college.

Hope this helped, and have a good day!





5 0
3 years ago
A tennis instructor chargers $40 for each one hour lesson and $25 for each half hour lesson if the instructors I come from 35 le
kaheart [24]
X = 1 hr lessons and y = 1/2 hr lessons

x + y = 35......y = 35 - x
40x + 25y = 1115

40x + 25(35 - x) = 1115
40x + 875 - 25x = 1115
40x - 25x = 1115 - 875
15x = 240
x = 240/15
x = 16 <=== there are 16 one-hr lessons
and 19 half-hr lessons
7 0
3 years ago
How to find the slope of two points
NikAS [45]

-- Find how much 'y' changes from the first point to the second one.

-- Find how much 'x' changes from the first point to the second one.

-- The slope of the line going from the first point to the second one is

                                 (change in 'y') / (change in 'x') .

3 0
3 years ago
Suppose the bolt factory has only cases and bags.How can it pack the order for 3,140 bolts?
Annette [7]
They would put the bolts inside the boxes and bags
7 0
3 years ago
Which ordered pair is a solution of the equation? −7x+3y=2
lana66690 [7]
Answer:

(-2/7, 2/3)

step-by-step explanation:
-7x + 3y = 2
x = 0
-7(0) + 3y = 2
3y = 2
/3 /3
y = 2/3
y = 0
-7x + 3(0) = 2
-7x = 2
/-7 /-7
x = -2/7
(-2/7, 2/3)
6 0
3 years ago
Read 2 more answers
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