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3 years ago

Colin ties 5 groups of balloons to the fence. There are 3 orange balloons

Mathematics

2 answers:

maxonik [38]3 years ago

4 0

Answer:

ok? what is the question?

tia_tia [17]3 years ago

4 0

Answer:

<h2>45 balloons.</h2>

Step-by-step explanation:

The complete question is:

<em>Colin ties 5 groups of balloons to the fence. There are 3 orange balloons, 2 blue balloons, and 4 green balloons in each group. How many balloons does Colin use?</em>

We know that in each group we have:

3 orange.
2 blue.
4 green.

So, we have 9 balloons per group and 5 groups. We have to multiply 9 by 5 groups, we have 45 balloons in total.

Therefore, there are 45 balloons in total.

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3 years ago

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3 years ago

95 children are in the 6th grade 3/5 of them went to a party who many children went to the party in all

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3 years ago

Read 2 more answers

B=?<br> Angle A=?<br> Angle B=?

babunello [35]

1.) Solve for length b.

The simpler method is to use the Pythagorean theorem. If $a^2 - b^2 = c^2$ , then this means that $c^2 - a^2 = b^2$ .

Plug in the values:

$11^2 - 7^2 = b^2$

--> $121 - 49 = 72$

So this means that b is the square root of 72, which is 8.49

2.) Solve for ∠A.

Let's refer to the law of sines. If $\frac{a}{sin(A)} = \frac{c}{sin(C)}$ , then this means we can cross multiply. Since A is the value we are solving for, the equation should be written out like this:

$A = sin^-1(\frac{sin(C) * a}{c})$

--> $A = sin^-1(\frac{sin(90) * 7}{11})$

A is 39.52°

3.) Solve for ∠B.

This is the easiest one. The sum of all three angle measures in a triangle add up to 180°. We already know that one of the angles is a right angle and the other 39.52°.

39.52 + 90 = 129.52

180 - 129.52 = 50.48

∠B is 50.48°.

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3 years ago