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andreyandreev [35.5K]
2 years ago
10

Classify the expression, name the operation(s) and identify any variables. 3s – 5

Mathematics
2 answers:
noname [10]2 years ago
6 0

Answer:4

Step-by-step explanation:

vladimir1956 [14]2 years ago
5 0

Answer:

4

Step-by-step explanation:

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There are 5280 feet in a mile. how many feet are in 7/11 of a mile
pychu [463]
Number of feet in a mile multiplied by the percentage (7/11) equals number of feet in the 7/11 portion of a mile.

=5280 * 7/11
=(5280*7)/11
=36,960/11
=3,360 feet in 7/11 mile

Hope this helps! :)
6 0
3 years ago
An alloy consists of nickel, zinc, and copper in the ratio 2:7:9. How many pounds of nickel have to be used to create alloy that
Hunter-Best [27]

We are given ratio nickel to zinc to copper = 2:7:9.

From this ratio we can see that <em>ratio of nickel to zinc is 2:7</em>.

Let us assume number of pounds of nickel have to be used to create alloy that contains 4.9 lb of zinc is x pounds.

So, we can setup a proportion as :

x : 4.9 =  2:7

Or

\frac{x}{4.9}=\frac{2}{7}

On cross multiplication, we get

7x= 4.9× 2

7x = 9.8

Dividing both sides by 7, we get

x = 1.4.

<h3>Therefore, 1.4 pounds of nickel have to be used to create alloy that contains 4.9 lb of zinc.</h3><h3 />
6 0
3 years ago
Can someone please help. Please show work
FinnZ [79.3K]

Answer:

11. parallelogram, rectangle

12. parallelogram, rhombus

13. parallelogram, square

5 0
3 years ago
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What is the graph description for y=-10x
Serga [27]
Y = - 10x has a negative slope, m = -10, and a y-intercept of (0, 0).

The graph includes the following points:

{(-2, 20), (-1, 10), (0, 0), (1, -10), (2, -20)}.

Attached is a screenshot of the graph, where it includes the y-intercept crossing along the point of origin, (0, 0).

Please mark my answers as the Brainliest, if you find this helpful :)

8 0
2 years ago
Convert 1 radian to degrees. Round your answer to the nearest degree.
svetoff [14.1K]
Radian is pure measure based on the radius of the circle.
Therefore, the answer is  = 57.30 degree                                                              
6 0
3 years ago
Read 2 more answers
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