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3 years ago

Eight friends share 12 pounds of

Mathematics

2 answers:

Lubov Fominskaja [6]3 years ago

4 0

Answer: each person would get 1.5 pounds of gold

Step-by-step explanation:

12/8= 1.5

GuDViN [60]3 years ago

4 0

Answer:

1.5 pounds of gold

Step-by-step explanation:

You just do 12÷8 which gives you 1.5

Hope this helped!

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Kate runs 2/3 of a mile on Mondays, Wednesday's and Thursdays. She runs 4/5 of a mile on Tuesday and Fridays. How many miles doe

padilas [110]

Answer:

Therefore, we conclute that Kate run 1 mile and 7/15 of a mile for the week.

Step-by-step explanation:

We know that Kate runs 2/3 of a mile on Mondays, Wednesdays and Thursdays. She runs 4/5 of a mile on Tuesday and Fridays. We calculate how many miles does Kate run during the week.

Therefore, we get

$\frac{2}{3}+\frac{4}{5}=\frac{10+12}{15}=\frac{22}{15}=1+\frac{7}{15}$

Therefore, we conclute that Kate run 1 mile and 7/15 of a mile for the week.

8 0

3 years ago

after 45 sec camdens bathtub fills with 3 inches of water how many seconds will it take to fill tub with 20 inches of water?

Marizza181 [45]

3/45 = 20/x...3 in to 45 seconds = 20 in to x seconds
cross multiply
(3)(x) = (45)(20)
3x = 900
x = 900/3
x = 300...300 seconds (or 5 minutes)to fill the tub with 20 inches

4 0

4 years ago

thelma wants to find the equation of a line that passes through the point (2,2) and is perpendicular to the line y=1/2x+5

d1i1m1o1n [39]

<span>perpendicular slope :

m1 * m2 = -1

1/2 * m2 = -1

m2 = -2

y = -2x + b

2 = -4 +b

b = 6

y = -2x + 6

</span>

8 0

3 years ago

5 times a number is 14 less than the square of that number. Find the positive solution.

anastassius [24]

Write the word problem in algebraic form:

n2 -14 = 5n

Write as a quadratic:

n2 - 5n - 14 = 0

Factor:

(n+2)(n-7) = 0

Solve:

n+2 = 0 => n = -2

n-7 = 0 => n = 7

positive solution is 7. (14 less than 72 = 35 which is also 5 times 7)

8 0

4 years ago

Read 2 more answers

Given: <PQR is a right angle Prove: <PQS and <SQR are complemantary

amm1812

Answer:

see the explanation

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

m∠PQS+m∠SQR=m∠PQR ----> equation A (by Addition Angle Postulate)

we have that

m∠PQR=90° ----> equation B given problem (because is a right angle)

substitute equation B in equation A

m∠PQS+m∠SQR=90°

Remember that

Two angles re complementary is their sum is equal to 90 degrees (Definition of complementary angles)

therefore

m∠PQS and m∠SQR are complementary angles

3 0

3 years ago