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Leto [7]
3 years ago
15

Can someone please help with this question?

Mathematics
1 answer:
erica [24]3 years ago
5 0
Ok so basically, Beth is traveling at 8MPH. And her bro leaves 1/4 of an hour later, this means she has cycled 8/4 = 2 miles. After another 15 minutes, Beth will have cycling 4 miles, while Brandon will have carted 12/4 = 3 miles. Repeat this, and Beth has cycled 6 miles in 45 minutes, and Brandon has also gone 6 miles in 30 minutes.
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Say if you had a Right triangle with sides being 12a 15b and the last side unkown how would i solve it?
balandron [24]
By Pythagorean theorem,
a^2+b^2=c^2
c is the longest side of the triangle
a and b are the remaining sides
5 0
3 years ago
A ship is carrying gold bars and silver bars in the ratio 13:17. The ship's load
andreyandreev [35.5K]

Using proportions, considering the weight of each bar and the ratio, it is found that the ship is carrying 52 gold bars.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

Each bar weighs 5 kg, and the total weight is of 600 kg, hence the number of bars is given by:

n = 600/5 = 120.

The proportion of gold bars is given by:

p = 13/(13 + 17) = 13/30

Hence, out of 120 bars, the number of gold bars is given by:

nG = 120 x 13/30 = 4 x 13 = 52.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

4 0
2 years ago
Job a, $15/hour, job b, $12/hour, how many hours at each job to earn $360
stira [4]

Answer:

Job A, will take 24 hours and Job B, will take 30 hours

Step-by-step explanation:

12 X 30 = 360 and 15 X 24 = 360

7 0
2 years ago
Read 2 more answers
Which equations below represent lines that are perpendicular to the line that contains (1, -2) and (3, 4)? (CHECK PICS FOR ANSWE
Gala2k [10]

First, let's find the slope of the line from the points given.

m = (4 - - 2) / (3 - 1)

m = 6 / 2

m = 3

Secondly, we know that a line perpendicular to the original must have a slope that is the opposite reciprocal of the original. For the given points, the opposite reciprocal slope would be -1/3.

Now, we can put all of the equations below into slope intercept form and find the ones that have a slope of -1/3.

Equation 1: Correct

y = -1/3x - 5

Equation 2: Incorrect

y = 3x - 3

Equation 3: Incorrect

y - 2 = 3(x + 1)

y - 2 = 3x + 1

y = 3x + 2

Equation 4: Correct

x + 3y = 9

3y = -x + 9

y = -1/3x + 3

Equation 5: Incorrect

3x + y = -5

y = -3x - 5

Hope this helps!! :)

8 0
3 years ago
Midsegment of triangle <br> Find the distance across the lake
Marizza181 [45]

Answer:

The distance across the lake is 3.5 km

Step-by-step explanation:

Hypotenuse is divided in equal parts. Thus both sides are divided in the same proportion.

6 0
3 years ago
Read 2 more answers
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