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3 years ago

30 POINTS what is the volume of the solid figure below

Mathematics

2 answers:

zysi [14]3 years ago

7 0

Answer:

answer 3 : $80 cm^3$

Step-by-step explanation:

Volume total= volume of the cube + volume of rectangular prism

Volume of the cube = l x w x h = 2 x 2 x 2 = 8 cm^3

Volume of rectangular prism = l x w x h = 4 x 6 x 3 = 72 cm^3

Volume total = 8 + 72 = 80

belka [17]3 years ago

3 0

Answer:

I got B) 72 cm^3

Step-by-step explanation:

cube area= 4

rectangle area= 18

4*18= 72

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15 Points! Find f(x) and g(x) so that the function can be described as y = f(g(x)).

finlep [7]

$f(x)=\dfrac{3}{\sqrt{x}}\\\\g(x)=3x+4\\\\\\y=f(g(x))=f(3x+4)=\dfrac{3}{\sqrt{3x+4}}$

3 0

3 years ago

Please help.

Charra [1.4K]

Answer:

Since we have a 30° - 60° - 90° triangle, we can calculate any side by knowing at least one out of three:

Since the length of the hypotenuse is twice as long as the shorter leg, we have:

The length of the short leg is: 25/2 = 12.5

Since the length of the longer leg is equal to the length of the shorter leg

multiply by square root of 3 we have:

The length of the longer leg is: 12.5 × √3 ≈21.65

=> The perimeter of the triangle is: 25 + 12.5 + 21.65 = 59.15

6 0

2 years ago

Read 2 more answers

Find the sum 5/17 +4/17

Elza [17]

If you are adding the fractions themselves it would be 9/17. If the /'s are for division it's 0.53

6 0

2 years ago

Read 2 more answers

jamie wants to run a total of 9 miles thid week. so far, she has run 4 5/8 miles. use the equation 4 5/8 + r = 9. please help m

____ [38]

Answer:

$r=4\frac{3}{8}$

Step-by-step explanation:

Given the following question:

$4\frac{5}{8} +r=9$

Rewrite the expression to find the value of r:

$9-4\frac{5}{8}$

Subtract by finding the common denominator:
$9-4\frac{5}{8}$
$9=\frac{9}{1}$
$4\frac{5}{8} =8\times4=32+5=37=\frac{37}{8}$
$\frac{9}{1} -\frac{37}{8}$
$\frac{9}{1} \times8=\frac{72}{8}$
$\frac{37}{8} \times1=\frac{37}{8}$
$\frac{72}{8} -\frac{37}{8}$
$72-37=35$
$=\frac{35}{8}$
$\frac{35}{8} =35\div8=4\frac{3}{8}$
$r=4\frac{3}{8}$
$4\frac{5}{8} +4\frac{3}{8} =9$

Hope this helps.