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koban [17]
3 years ago
5

A machine that drills holes for Wells drilled to a depth of -72 feet in one day 24 hours how much did the depth change each hour

make sure to show whether the change is positive or negative
Mathematics
1 answer:
gtnhenbr [62]3 years ago
7 0

Answer:

-3

Step-by-step explanation:

divide -72 by 24.

-72 ÷ 24 = -3

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The total number of people at a football game was 5600. Field-side tickets were 40 dollars and end-zone tickets were 20 dollars.
rewona [7]

Answer:

1100 field-side tickets and 4500 end-zone tickets.

Step-by-step explanation:

Let x represent number of field side tickets and y represent number of end-zone tickets.

We have been given that the total number of people at a football game was 5600. We can represent this information in an equation as:

x+y=5600...(1)

y=5600-x...(1)    

We are also told that Field-side tickets were 40 dollars and end-zone tickets were 20 dollars.

Cost of x field side tickets would be 40x and cost of y end-zone tickets would be 20y.

The total amount of money received for the tickets was $134000. We can represent this information in an equation as:

40x+20y=134000...(2)

Upon substituting equation (1) in equation (2), we will get:

40x+20(5600-x)=134000

40x+112000-20x=134000

20x+112000=134000

20x+112000-112000=134000-112000

20x=22000

\frac{20x}{20}=\frac{22000}{20}

x=1100

Therefore, 1100 field side tickets were sold.

Upon substituting x=1100 in equation (1), we will get:

y=5600-1100

y=4500

Therefore, 4500 end-zone tickets were sold.

3 0
3 years ago
Need help ASAP giving 55 points and a branleist
Diano4ka-milaya [45]

Answer:

Step-by-step explanation:

1.

Igneous rock can change into sedimentary rock or into metamorphic rock. ... Igneous rock forms when magma cools and makes crystals. Magma is a hot liquid made of melted minerals. The minerals can form crystals when they cool.

2. The three processes that change one rock to another are crystallization, metamorphism, and erosion, and sedimentation. Any rock can transform into any other rock by passing through one or more of these processes.

3. The three types of metamorphism are Contact, Regional, and Dynamic metamorphism. Contact Metamorphism occurs when magma comes in contact with an already existing body of rock.

3 0
3 years ago
In a fish tank, 1/2 of the fish have a red stripe on them. If 10 of the fish have red stripes, how many total fish are in the ta
gregori [183]

Answer:20



Step-by-step explanation:


7 0
3 years ago
Read 2 more answers
Sum of money is placed at simple interest for 3 years at 10% per annum and then the amount is invested for 2 years at the same r
JulsSmile [24]

Answer:

sum was 300000

Step-by-step explanation:

let sum of money is placed  is x rs

Term T = 3 years, rate R = 10%

Then simple interest for for 3 years is

SI= \frac{PTR}{100}\\ SI=\frac{x\times 3\times 10}{100} \\SI = 0.3x

Sum of x will become x+0.3x = 1.3x after 3 years. now this 1.3x is kept for compound interest for two years. ie

A =P[1+R]^t\\471900=1.3x[1+\frac{10}{100} ]^2\\x=\frac{471900}{1.573} \\x=300000

Sum was 300000

3 0
3 years ago
I need some help 50 points!
Leto [7]

Answer:

distance between a number and zero

|a| = a if a >= 0 and |a| = -a if a < 0

|4| = 4    and   |-4| = 4

nonnegative

symmetric over the y-axis

left line is y = -x for x < 0

right line is y = x for x >= 0

Axis of symmetry: y-axis

Vertex: (0, 0)

4 0
3 years ago
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