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3 years ago

6

Mathematics

1 answer:

mamaluj [8]3 years ago

8 0

Answer:

I took apart the shapes to make them rectangular prisms then did length x width x height. Added both of the volumes of each cut down shape and put them in order. The image above this shows the volumes of each shape.

Please give brainliest if I helped! :)

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The school orchestra has 20 woodwinds, 20 brass instruments, 45 percussionists and 15 strings. Select the portion of the instrum

Alona [7]

Find total instruments:

20+20+45+15 = 100

20 are brass

The portion would be number of brass over total:

20/100 which reduces to 1/5 are brass

6 0

4 years ago

Read 2 more answers

What is the sum of the geometric sequence −4, 24, −144, ... if there are 8 terms?

Helga [31]

Answer:

The sum of 8 geometric sequence is 959780

Step-by-step explanation:

We are given

this sequence is geometric

-4 , 24 , -144

First term is -4

so, $a_1=-4$

now, we can find common ratio

$r=\frac{24}{-4}=-6$

we can use formula

$S_n=a_1(\frac{1-r^n}{1-r} )$

n=8

now, we can plug values

$S_8=-4(\frac{1-(-6)^{8}}{1+6} )$

now, we can simplify it

and we get

$S_8=959780$

4 0

4 years ago

An object with a mass of 3.0 g raises the level of water in a graduated cylinder from 25.1 mL to 33.1 mL. What is the density of

evablogger [386]

The displaced volume of the water, because of the submersion of the object, is equal to the volume of the object.

So to find the volume of the object we calculate the difference in volume of water:
33.1-25.1 = 8 ml

Since 1 mL of water has the volume of 1cm^3, then the volume of the object is 8 cm^3.

The density of the object is found by the formula:

density= mass/volume= (3 g) / (8 cm^3) = 3/8 (g/cm^3)= 0.375 g/cm^3

Answer: 0.375 g/cm^3

7 0

4 years ago

Figure LMNP will be reflected across the y-axis. Place the point on the graph that represents

zimovet [89]

Answer:

If it's reflected on the y-axis, the answer for N would be (-2,-3).

5 0

3 years ago

All professional baseball teams playing field are the same size the three bases and home plate make a diamond that is 90 feet on

Leni [432]

It would be 90(4 sides)= 360 ft

or 90ft+90ft+90ft+90ft=360ft

4 0

3 years ago