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3 years ago

Help with number 7.

Mathematics

1 answer:

Dmitry_Shevchenko [17]3 years ago

8 0

Number of cartons of apple juice = 180
Number of cartons of apple punch = 120
Number of cartons of milk = 360
Hence, The number of cartons of apple juice served is greater than the number of cartons of apple punch served.

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What is the minimum number of points required to make a plane

Leokris [45]

For this case we have that by definition, a plane is an ideal object that only has two dimensions, and contains infinite points and lines.

Also we have that, by definition, a plane is defined by 3 non-aligned points.

Answer:

3 points

Option D

8 0

3 years ago

Jane is 5 times older than her sister. In 3 years, Jane’s sister will be 1/4 her age. Find the ages now

Korolek [52]

The present age of Jane is 45 years old and present age of her sister is 9 years old

Solution:

Let the present age of Jane be "x"

Let the present age of her sister be "y"

Jane is 5 times older than her sister

present age of Jane = 5(present age of her sister)

x = 5y ---------- eqn 1

In 3 years, Jane’s sister will be 1/4 her age

Age of sister after 3 years = 3 + y

Age of jane after 3 years = 3 + x

Age of sister after 3 years = 1/4(age of jane after 3 years)

$3 + y = \frac{1}{4}(3 + x)$

Substitute eqn 1 in above equation

$3 + y = \frac{1}{4}(3 + 5y)\\\\12 + 4y = 3 + 5y\\\\5y - 4y = 12 - 3\\\\y = 9$

Substitute y = 9 in eqn 1

x = 5(9)

x = 45

Thus present age of Jane is 45 years old and present age of her sister is 9 years old

3 0

4 years ago

8) If 150% of a number is 75, then what is the 80% of that number?

irinina [24]

Answer:

A. 40

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Find the measure of the angle zxy

Liula [17]

Answer:

10 degrees

Step-by-step explanation:

Angles WXZ and ZXY are complementary angles, which always equals 90 degrees. 90 minus 80 equals 10, therefore the measure of angle ZXY is 10 degrees.

8 0

3 years ago

Divide 72kg in a ratio of 1:3:5, someone plz tell me how to do this :D ;D

Vladimir [108]

Ratio of 1:3:5

Sum= 1+3+5 = 9 total parts

dividing 72kg

For 1: = 1/9 * 72 = 8kg

For 3: = 3/9 * 72 = 24kg

For 5: = 5/9 * 72 = 40kg

8 0

3 years ago