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3 years ago

15

A jar contains 68 marbles, of which 26 are blue, 29 are red, and the rest are green. What is the ratio of green marbles to all m

arbles?

1 answer:

alexira [117]3 years ago

5 0

The ratio is 13 green marbles to all marbles

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In square ABCD, point M is the midpoint of side AB and point N is the midpoint of side BC. What is the ratio of the area of tria

ipn [44]

Answer:

1:8

Step-by-step explanation:

Given that in square ABCD, point M is the midpoint of side AB and point N is the midpoint of side BC.

Let the side of the square be a.

Area of square ABCD = $a^2$

The triangle AMN is having two legs of a right triangle as half of side of the square

i.e. Triangle AMN has base = height = a/2

So area of triangle AMN = $\frac{1}{2} bh\\=\frac{a^2}{8}$

Ratio of the area of triangle AMN to area of square ABCD

= 1:8

6 0

3 years ago

A plane has 360 total seats, which are divided into economy class and business class. For every 12 seats in economy class, there

Zanzabum

There is 260 economy seats, and 100 businesses class —- Working out 13+5 = 18, 360/18 = 20, 20x13 =260 amd 5x20 = 100

4 0

3 years ago

Celia writes the addition problem shown.she says she can tell which sum will be greater without adding.how does she know?

kobusy [5.1K]

Which is the problem

3 0

3 years ago

Given that the circumferential of a circle is 22cm calculate its diameter

Ipatiy [6.2K]

Answer:

diameter =7 cm

Step-by-step explanation:

circum=2pi×r

$2\pi \times r$

2×pi×r=22

2×22÷7×r=22

r=22×7÷44

r=7÷2

r=3.5

d=2×r=2×3.5=7

6 0

2 years ago

Solve for x: 2x - 2y = 10, y = - 5.5

il63 [147K]

2x-2y=10
Y=-5.5
Sub y into the equation and solve for x
2x-2(-5.5)=10
2x+11=10
2x=10-11
2x=-1
X=-1/2
Hope this helps!

3 0

3 years ago