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3 years ago

What are the solutions to the equation x² = 169?

Mathematics

2 answers:

Marizza181 [45]3 years ago

5 0

Answer:

the solutions are 13 and -13

Step-by-step explanation:

13 x 13= 169

-13 x -13=169

a negative times a negative equals a positive

Liula [17]3 years ago

4 0

The solutions are 13 & -13

Hope that helps

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Tell whether the sequence is arithmetic. If it is, what is the common difference?

denis23 [38]

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2 years ago

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Kipish [7]

Answer:

32.8 miles

Step-by-step explanation:

Amy is driving to Seattle. Suppose that the remaining distance to drive (in miles) is a linear function of her driving time (in minutes). When graphed, the function gives a line with a slope of -0.95. See the figure below. Amy has 48 miles remaining after 31 minutes of driving. How many miles will be remaining after 47 minutes of driving?

Answer: The general equation of a line is given as y = mx + c, where m is the slope of the line and c is the intercept on the y axis. Given that the slope is -0.95, substituting in the general equation :

y = -0.95x + c

Amy has 48 miles remaining after 31 minutes of driving, to find c, we substitute y = 48 and x = 31. Therefore:

48 = -0.95(31) + c

c = 48 + 0.95(31)

c = 48 + 29.45

c = 77.45

The equation of the line is

y = -0.95x + 77.45

After 47 minutes of driving, the miles remaining can be gotten by substituting x = 47 and finding y.

y = -0.95(47) + 77.45

y = -44.65 + 77.45

y = 32.8 miles

3 0

2 years ago

How do you answer c - 8 = 5?

Iteru [2.4K]

Answer:

c=13

Step-by-step explanation:

c-8=5

Add 8 to each side

c-8+8 = 5+8

c=13

8 0

3 years ago

Read 2 more answers

The table shows the proportional relationship between a hedgehog's weight loss and the number of days of hibernation. How much

pantera1 [17]

Using the principle of proportional relationship, the amount of weight lost by hedgedog in 120 days is 3.6 oz

Proportional relationships are defined thus :

y = kx
k = constant of proportionality

Taking a piar of points :

-0.24 = 8k

Divide both sides by 8

(-0.24/8) = k

k = - 0.03

Hence, hedgedog loses weight at a rate of - 0.03 oz per day.

The amount of weight lost in 120 days :

The proportional relationship = y = - 0.03x

Substitute x into the equation

y = -0.03(120)

y = - 3.6 oz

Therefore, the amount of weight lost in 120 days is 3.6 oz.

Learn more : brainly.com/question/25308816

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2 years ago

5. At a certain university the student to teacher ratio is 16:1. If there are 2,000 students enrolled, how many teachers must be

Shtirlitz [24]

125 teachers must be employed

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3 years ago