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satela [25.4K]
4 years ago
10

write a division expression that represents the weight of the steel structure divided by the total weight of the bridge's materi

als. Concrete weighs 1,000 tons, Steel structure weighs 400 tons and glass and granite weighs 200 tons
Mathematics
1 answer:
mestny [16]4 years ago
8 0

Answer:

1,000/600

400+200=600

Step-by-step explanation:

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What are the x-intercepts ?
NeTakaya

Answer:

(3,0),(2,0)

Step-by-step explanation:

6 0
4 years ago
Scientists want to know the total trout population in a part of Lake Michigan. They tagged and released 200 trouts back into the
blondinia [14]
The estimate would be 1200.

We will set up a proportion for this.  10 out of 60 of the sample were tagged, so that is the first ratio.  The 200 that were tagged would be in the numerator of the second ratio (10 was the portion tagged, and 200 is the portion tagged, so they both go on top).  We do not know the total number so we use a variable:

10/60 = x/200

Cross multiply:

10*x = 60*200
10x = 12000

Divide both sides by 10:
10x/10 = 12000/10
x = 1200
6 0
3 years ago
Order the sides of each triangle from shortest to longest.
Svetradugi [14.3K]

Answer:

A.

Step-by-step explanation:

the line that's PR is longer than OR

7 0
3 years ago
Ava deposited $14 in a savings account that earns 2.7% simple interest. What would the graph look like?
katen-ka-za [31]

Deposited amount = $14.

Rate of interest =  2.7%

In decimals 2.7 could be written by dividing 2.7 by 100, we get

0.027.

Interest earned each year = 2.7% of $14 = 0.027*14 = $0.378.

We can make a table to balance by after each year.

First year balance: First year interest + Deposited amount = 0.378 +14 = $14.378.

Second year balance: Second year interest + Deposited amount = 2*0.378 +14 = 0.756+ 14 = $14.756.

Third year balance: Third year interest + Deposited amount = 3*0.378 +14 = 1.134+ 14 = $15.134.

We get four coordinates to graph A(0,14), B(1, 14.378) , C(2, 14.756) and D(3, 15.134).

Plotting those coordinates of the points A, B, C and D on the graph.



8 0
4 years ago
Please help, i don’t know how to work this out!!
victus00 [196]

Answer:

40 degrees

Step-by-step explanation:

so, a triangle is 180 degrees. you know that one angle is 60 degrees.

180= 60+ 2x + x

this is the equation of the triangle

120=3x

simplify

40=x

x= 40 degrees

hope this helps :)

5 0
3 years ago
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