All categories

3 years ago

Solve & Discuss It!

Mathematics

1 answer:

ivolga24 [154]3 years ago

5 0

Answer:

<u>There were 6, 9, 12 and 15 children if the number of adults at the beach were 8, 12, 16 and 20.</u>

Step-by-step explanation:

After reviewing the information given for solving the question, we notice that the number of adults and the number of children are two constants, where the number of children is the 75% of the number of adults (3/4 = 75%). In that case, for finding the number of children for every specific number of adults, we do the following calculations:

1. For 8 adults: Using the 75%, we multiply by it (8 * 75%) and we get that the number of children is 6.

2. For 12 adults: Using the 75%, we multiply by it (12 * 75%) and we get that the number of children is 9.

3. For 16 adults: Using the 75%, we multiply by it (16 * 75%) and we get that the number of children is 12.

4. For 20 adults: Using the 75%, we multiply by it (20 * 75%) and we get that the number of children is 15.

<u>There were 6, 9, 12 and 15 children if the number of adults at the beach were 8, 12, 16 and 20.</u>

You might be interested in

What value should go in the empty boxes to complete the calculation for finding the product of

Crank

The number is 6860
The number 6 goes in both boxes

3 0

4 years ago

Write an equation in point-slope form of the line that passes through (-1, – 4) with slope -2.

Rom4ik [11]

Y+4=-2(x+1)

This is the point slope form (y-y1) =m(x-x1)

I hope it will helped!

4 0

3 years ago

How do i solve for equations that have 2 variables

sergey [27]

Answer:

To solve for an equation with two variables, substitute a zero(0) into the other variable and find one variable.

Step-by-step explanation:

To solve for an equation with two variables, substitute a zero(0) into the other variable and find one variable.

Simple Example:

3x+3y=12

Substitute 0 as y,

3x+0=12

3x=12

12/3=4

x=4

Now substitute 4 into the main equation,

3(4)+3y=12

12+3y=12

-12 -12

3y=0

0/3=0

y=0

So the answer is

3(4)+3(0)=12

12=12

8 0

4 years ago

The bottom of a double rainbow is going over a tree that is 18 feet tall if you're standing 20 feet from the tree what is the an

ivanzaharov [21]

The angle of elevation to the bottom of the rainbow is 42°

Explanation:

Given that the bottom of a double rainbow is going over a tree that is 18 feet tall and you're standing 20 feet from the tree.

We need to determine the angle of elevation to the bottom of the rainbow.

Let us use the trigonometric ratios to determine the angle of elevation.

Thus, we have,

$tan \ \theta=\frac{opp}{adj}$

where opp = 18 and adj = 20 and we need to determine the angle.

Substituting the values, we have,

$tan \ \theta=\frac{18}{20}$

Dividing the values, we have,

$tan \ \theta=0.9$

Taking $tan^{-1$ on both sides of the equation, we get,

$\theta=tan^{-1}(0.9)$

Thus, we get,

$\theta=41.99^{\circ}$

Rounding off to the nearest degree, we get,

$\theta=42^{\circ}$

Hence, the angle of elevation to the bottom of the rainbow is 42°

6 0

3 years ago

PLEASE HELP god bless Justify each step of the solution by stating the property that was used to get to each step. Given: 4(-6x

baherus [9]

4(-6x – 3) + 24x = -72x + 132

Step 1 -24x – 12 + 24x = -72x + 132 Distribute Property of Equality

Step 2: –12 = -72x + 132 equivalent

Step 3: -144 = -72x Subtraction Property of equality

Step 4: 2 = x Equivalent / Division property of equality

6 0

4 years ago