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Soloha48 [4]
3 years ago
6

There are 3 circles and 6 triangles. What is the simplest ratio of circles to triangles?

Mathematics
1 answer:
Damm [24]3 years ago
7 0

Answer: 1:2

Step-by-step explanation:

3:6 divide both sides by common factor (3) ——> 1:2

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Mathematics<br>1. What is the largest number which can divide 24 and<br>30 exactly?​
nydimaria [60]

Answer:6

Step-by-step explanation:

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3 years ago
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Given: ΔABC is a right triangle. Prove: a2 + b2 = c2 The following two-column proof with missing justifications proves the Pytha
Anestetic [448]

Answer:

Transitive property of equality is not a justification for the proof.

Step-by-step explanation:

We draw a right angle ΔACB. CD is perpendicular to AB.

Let AC = a , BC = b , AB = c and CD = h

Now in ΔABC and ΔACD

∠C = ∠D and ∠A = ∠A

from AA similarity postulate

ΔABC  similar to ΔACD.

Hence,

           \frac{c}{a} = \frac{a}{x}

           a^{2} = c × x ·····················(1)

Now in ΔABC and ΔCBD

∠C = ∠D and ∠B = ∠B

from AA similarity postulates

ΔABC similar to ΔCBD

Hence,

           \frac{c}{b} = \frac{b}{y}

           b^{2} = c × y······················(2)

Add equation (1) and (2)

      a^{2} + b^{2} = cx + cy

      a^{2} + b^{2} = c(x+y)

      a^{2} + b^{2} = c^{2}               [because x+y=c]

Transitive property is not useful for this proof.

5 0
3 years ago
The ratio of boys to girls in the Grade 3 classes at Domino Primary school
olga_2 [115]

Answer:

28 learners

Step-by-step explanation:

Boys : Girls

3 : 4

Since there are 12 boys and 3 units of them...

3 units = 12

1 unit = 12 ÷ 3 = 4

Girls =

4 units = 4 x 4 = 16

Total number of girls and boys: 12 + 16 = 28

7 0
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Which of the following is an incorrect way to label the line in the diagram below?
creativ13 [48]

Answer:

GH

Step-by-step explanation:

the h is in the middle of the line

4 0
3 years ago
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What is the equation of a line that has a slope of 2 and passes through point (-1, 7)?
notsponge [240]

Answer:

2x+9

Step-by-step explanation:

4 0
3 years ago
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