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Ugo [173]
3 years ago
11

The ratio of boys to girls in a class is 3:5. There are 40 students in the class. How many students are girls?

Mathematics
2 answers:
aliya0001 [1]3 years ago
4 0

Answer:

25 girls

Step-by-step explanation:

boys: girls: total

3           5       8

Take the total number of students and divide by 8

40/8 = 5

Multiply each term by 5

boys: girls: total

3*5     5*5    8*5

15         25     40

There are 25 girls

PolarNik [594]3 years ago
3 0

Answer:

25

Step-by-step explanation:

40/8 = 5

3:5 so u do 5x5 which is 25

brief explanation and hoped it helped xoxo

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In the diagram of circle o, what is the measure of ABC?<br> 27°<br> 54°<br> 108°<br> 120°
Vlad1618 [11]

<u>Given</u>:

Given that a circle O with two tangents BA and BC.

The major arc AC is 234°

The minor arc AC is 126°

We need to determine the measure of ∠ABC

<u>Measure of ∠ABC:</u>

We know the property that, "if a tangent and a secant, two tangents or two secants intersect in the interior of the circle, then the measure of angle formed is one half the difference of the measures of the intercepted arcs."

Hence, applying the above property, we have;

\angle ABC=\frac{1}{2}( major \widehat{AC} - minor \widehat{AC})

Substituting the values, we get;

\angle ABC=\frac{1}{2}( 234^{\circ} -126^{\circ})

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Thus, the measure of ∠ABC is 54°

Hence, Option b is the correct answer.

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3 years ago
Nicole had 38 beads. She lost some of them. This can be modeled bye the expression 38-x. What does x represent?
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Answer:

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Step-by-step explanation:

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4 years ago
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Evaluate 0.6721 x 0.0261 and express your answer in standard form​
Tcecarenko [31]

Answer:

Step-by-step explanation:

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Step-by-step explanation:

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denpristay [2]

Answer:

3.6 cm

Step-by-step explanation:

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3 years ago
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