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dimaraw [331]
3 years ago
6

Help ASAP Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. His brother has a different recta

ngular piece of land, the area of which is represented by a2 = l(14 − l). Let a represent the area in square meters and l represent the length in meters of the pieces of land. The two equations plotted on a graph meet at a point as shown in the image.

Mathematics
1 answer:
netineya [11]3 years ago
5 0
1+1=2 ansjdjdisjjxjzjzjjzjsjjsusususuausususuuaua
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Which are correct representations of the inequality –3(2x – 5) < 5(2 – x)? Select two options.
avanturin [10]

The correct simplified inequality is - 6x + 15 < 10 - 5x and the number line representation is "an open circle is at 5 and a bold line starts at 5 and is pointing to the right".

The given inequality is -3(2x - 5) < 5(2 - x)

We need to simplify the inequality.

<h3>What is inequality?</h3>

In mathematics, inequality is a statement of an order relationship greater than, greater than or equal to, less than, or less than or equal to between two numbers or algebraic expressions.

Consider LHS and simplify -3(2x - 5) = -3(2x)-5(-3)

⇒ -3(2x - 5) = - 6x + 15 [∵(-)(-) = (+)]

Consider RHS and simplify 5(2 - x) = 5(2) + 5(-x)

⇒5(2 - x) = 10 - 5x [∵(+)(-) = (-)]

Now, - 6x + 15 < 10 - 5x

By subtracting 15 from both sides, we get

- 6x < -5 - 5x

By adding 5x to both sides, we get - x < - 5

The coefficient of x is -1. So, divide both sides by -1

Then we get x > 5

Hence, the correct simplified inequality is - 6x + 15 < 10 - 5x and the number line representation is "an open circle is at 5 and a bold line starts at 5 and is pointing to the right".

To learn more about inequalities visit:

brainly.com/question/20383699.

#SPJ1

5 0
2 years ago
Ramon caught twice as many fish as his brother. If his brother caught F amount of fish, write an expression that shows how many
Eddi Din [679]
F×2=R because its times2
7 0
3 years ago
Read 2 more answers
A kayaker spends a morning paddling on a river. She travels 9 miles upstream and 9 miles downstream in a total of 6 hours. In st
tresset_1 [31]
To answer this item, we have 4 as the speed of the kayaker in still water and the speed of current be y.

When the karayaker moves upstream or against the current, his speed would be 4 - y. Further, if he moves downstream or with the current, the total speed would be 4 + y. The time utilized for the travel is equal to the ratio of the distance and the speed. 

 Total time = 9/(4 - y)  + 9/(4 + y) = 6

We multiply the equation by (4-y)(4+y)
              9(4-y) + 9(4 + y) = 6(4-y)(4+y)

Simplifying,
                72 = 96 - 6y²
Transposing all the constants to only one side of the equation and rearranging,
               6y² = 96 - 72
                 y² = 4
                    y = 2

Hence, the speed of the river's current is 2 miles/hr. <em>The answer is letter B.) 2 miles/hour.</em>
5 0
3 years ago
According to the graph, a student who studies 10 hours per week should earn a score of about how much?
vladimir1956 [14]
A student who studies 10 hours per week should earn a score of 95
4 0
2 years ago
WILL GIVE BRAINLIEST BUT HAS TO BE FIRST TO ANSWER AND MUST BE RIGHT If m = 8 and n = 4, all of the following represent the same
Gennadij [26K]

Answer:

D

Step-by-step explanation:

For A it'd be 1/2 x 8 which is 4

B is 4/1 that's the same as 4

C has 8-4 and that's also 4

D would be 8x4 which is 32

Hope that helps and have a great day!

3 0
3 years ago
Read 2 more answers
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