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2 years ago

In a choir, the ratio of boys to girls is 5 to 6. There are 10 boys in the choir.

Mathematics

1 answer:

Lina20 [59]2 years ago

4 0

Answer:

Answer:

5:6 --> 10:12

Step-by-step explanation:

A good way to think of this is to provide a perspective: there are 5 boys every time there is 6 girls. So if there is 10 boys, that means there would be 12 girls (because 5 *2 = 10 and 6*2 = 12).

tl:dr: 5 *2 = 10 so 6*2 = 12

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F a = 3, b = 4, what is c if its a right triangle

ANEK [815]

The value of c in the given triangle described by the coordinates is; 5.

<h3>What is the value of c if the triangle is a right triangle?</h3>

Since the side, c is one of the sides of the right triangle in discuss, it follows therefore that from Pythagoras theorem;

hypothenuse² = opposite² + adjacent²

where, c = hypothenuse,

a= opposite/perpendicular,

b = adjacent/base.

C² = 3² + 4²

C² = 9 + 16

C = √25

C = 5.

Ultimately, the value of the hypothenuse, c is; 5.

Read more on Pythagoras theorem;

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1 year ago

Which statement about 3(x2 – 4) is true?

atroni [7]

Answer:

The expression is not completely factored.

Step-by-step explanation:

The expression of ${x}^{2} - 4$ can be broken up into two binomials:

$[x - 2][x + 2]$

Together, you have this:

$3[x - 2][x + 2]$

** There is alot of missing information to this question, but at least you know how to work this out.

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3 years ago

Quadrilateral WXYZ has interior angles that meet the following criteria: Angles W and X are congruent . The smallest angle's mea

Reptile [31]

Smallest angle is $50$ °

<u>Step-by-step explanation:</u>

Here we have , Quadrilateral WXYZ has interior angles that meet the following criteria:

Angles W and X are congruent.

According to question , angles are congruent i.e. Both angle measure same

⇒ $X=W$

Now ,

• The smallest angle's measure is 100° less than twice the measure of W.

According to above statement we have ,

Smallest angle = $2W-100$

• The largest angle's measure is 10º more than twice the measure of X. ( correction , in question given as 2X )

According to above statement we have ,

Largest angle = $10+2X=10+2X$

Now , We know that sum of all 4 angles in 360 i.e.

⇒ $X+W+10+2X+2W-100=360$ { X=W }

⇒ $6W-90=360$

⇒ $6W=450$

⇒ $W=75$

Smallest angle is : $2W-100 = 2(75)-100=50$

Therefore , Smallest angle is $50$ ° .

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