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Delicious77 [7]
3 years ago
14

An open-topped fish tank has a length of 30 inches, width of 10 1/2 inches, and height of 12 inches. What is the volume of the w

ater in the tank if the tank is 3/4 filled?
A 945 in
B. 1,287 in
C. 2,835 in
D. 3,780 in​
Mathematics
1 answer:
Alexxx [7]3 years ago
3 0

Answer:

2835 inches cubed

Step-by-step explanation:  Volume equals all three sides multiplied by each other so 30*12*10.5=3780 in.   However because the tank is only 3/4 full you multiply 3780 by 3/4 to get 2835.

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Bob drove from home to work at 75 mph.After work the traffic was heavier,and he drove home at 40 mph.His driving time to and fro
Ilya [14]

Answer:

Bob drove from home to work at 75 mph. After work the traffic was heavier, and he drove home at 40 mph. His driving time to and from work was 1 hour and 9 minutes. How far does he live from his job?

=================

Avg speed for the round trip = 2*75*40/(75+40) = 6000/115 = 1200/23 mi/hr

RT distance = 1200/23 * 69 minutes * 1 hr/60 mins =

= 60 miles

30 miles each way

Step-by-step explanation:

4 0
3 years ago
Which one is it? Is it A. B. C. or D.?
ZanzabumX [31]
A............................................
7 0
3 years ago
Can someone pls help
lapo4ka [179]

Answer:

7

Step-by-step explanation:

8 0
3 years ago
Question: Consider the similarity transformation of ΔABC to produce ΔEDF.
german

Answer:

see the explanation

Step-by-step explanation:

we have triangle  ΔABC

step 1

Rotate 90 degrees clockwise ΔABC about point C to obtain ΔA'B'C'

Remember that

A rotation is a rigid transformation

An object and its rotation are the same shape and size, but the figures may be turned in different directions

so

ΔABC and ΔA'B'C' are congruent

ΔABC≅ ΔA'B'C

step 2

Dilate the triangle ΔA'B'C' to obtain triangle ΔEDF

Remember that

A dilation is a non rigid transformation

A dilation produces similar figures

If two figures are similar, then the ratio of its corresponding angles is proportional and its corresponding angles are congruent

Find the scale factor of the dilation

The scale factor is equal to the ratio of corresponding sides

In this problem

Let

z ----> the scale factor

so

z=\frac{ED}{AB}=\frac{DF}{BC}=\frac{EF}{AC}

Multiply the length sides of triangle ΔA'B'C' by the scale factor z to obtain the length sides of triangle ΔEDF

Note: in this problem the scale factor z is less than 1

That means ----> the dilation is a reduction

3 0
3 years ago
83/63 as a mixed number?
JulsSmile [24]
Since 63 goes into 83 once, with a remainder of 20, write the mixed fraction like so: 

1 20/63

Also, because you cannot simplify this answer anymore, this is the final answer. 

Hope this helps!
4 0
3 years ago
Read 2 more answers
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