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3 years ago

5

120 sixth graders are going on a field trip to the Rock and Roll Hall of Fame and Museum. The museum requests a ratio of student

s to adult chaperones of 8:1. How many adult chaperones will be needed?

1 answer:

NARA [144]3 years ago

5 0

Answer: 15

Step-by-step explanation:

120 ÷ 8 = 15

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11th grade geometry:

Aliun [14]

Answer:

<em>The perimeter is 72 units and the area is 149 square units.</em>

Step-by-step explanation:

$\triangle SBA$ has coordinates $S(15,-8),B(-2,21)$ and $A(0,0)$

Using the distance formula.........

Length of side $SB = \sqrt{(15+2)^2+(-8-21)^2}= \sqrt{17^2+(-29)^2}= \sqrt{1130}$

Length of side $BA= \sqrt{(-2)^2+(21)^2}= \sqrt{445}$

Length of side $AS =\sqrt{(15)^2+(-8)^2}=\sqrt{289}=17$

So, the perimeter of the triangle will be: $(SB+BA+AS)= \sqrt{1130}+ \sqrt{445}+17 =71.71... \approx 72$ units. <em>(Rounded to the nearest unit)</em>

The height of the triangle for the corresponding base $SB$ is 8.89 units.

<u>Formula for the Area of triangle</u>, $A= \frac{1}{2}(base\times height)$

So, the area of the $\triangle SBA$ will be: $\frac{1}{2}(\sqrt{1130}\times 8.89)= 149.42... \approx 149$ square units. <em>(Rounded to the nearest unit)</em>

3 0

3 years ago

Can anyone help me with the problem in the picture?

torisob [31]

X = 45.

Since opposite exterior angles are congruent, you can set the 2 values equal to each other. When you solve for x, you should get 45.

3 0

2 years ago

Solve for X pleaseeee

nikitadnepr [17]

Answer:

The answer is fifteen because 24 divided by 8 is 3 and 5 x 3 is 15

4 0

3 years ago

In 12 years megan will be four times as old as she was 15 years ago. How old is she now?

Crank

Answer:

x + 12 = 4 * (x - 15) --> x = 24

7 0

3 years ago

Read 2 more answers

Is y=x^2-2x-35 standard form or vertex form

Degger [83]

Answer:

Standard Form

Step-by-step explanation:

Vertex form would be: (x-1)^2- 36

7 0

3 years ago

Read 2 more answers