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solmaris [256]
3 years ago
5

N + 4 > -9

Mathematics
2 answers:
pishuonlain [190]3 years ago
5 0

Answer:

n>-13

Step-by-step explanation:

✌️❤️✌️

..........

Sav [38]3 years ago
3 0

Answer:

n>-13

Step-by-step explanation:

so you subtract 4 from -9 then since your not multiplying or divinding by a negative you don't flip the sign

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The answer is <span>78.125%</span>
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Paul has 183 stamps his friends gave 15 stamps for his birthday how many stamps does Paul have after he received stamps from his
ehidna [41]

Answer:

198.

Step-by-step explanation:

183+15=198

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4 years ago
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Solve the below system of equations using the best method. Please describe the method used [substitution, graphing, elimination,
Veseljchak [2.6K]
1). Since you have -2y and 4y, elimination is easy to do for solving for x..
Keep the first equation and multiply the second equation by 2. Then add.

5x - 2y = -1
8x + 4y = 56

10x - 4y = -2
8x + 4y = 56
-----------------
18x       = 54

x = 3

Now we can use substitution to solve for y.
Substitute 3 for x in the first original equation and solve for y.

5x - 2y = -1

5(3) - 2y = -1

15 - 2y = -1

-2y = -16

y = 8

(3, 8)


2.)

3x - y = =16
-4x - y = 21

Multiply both sides of the first equation by -1 to change all signs. Then when you add the equations, you eliminate y and solve for x.

-3x + y = 16
-4x - y = 21
-----------------
-7x       = 37

x = -37/7

Now multiply the first original equation by 4 and the second original by 3 to eliminate x and solve for y.

 12x - 4y = -64
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4 0
3 years ago
A 36-foot-tall tree casts a 9-foot shadow. How tall is a nearby tree that casts a 14-foot shadow at the same time?
kiruha [24]

Answer:

Proportion states that the two fractions or ratios are equal.

Given the statement: A 36-foot-tall tree casts a 9-foot shadow.

To find the height of the nearby tree that cast a 14 foot shadow at the same time.

Let x be the height of the nearby tree.

By definition of proportion;

\frac{\text{Height of thetall tree}}{\text{Shadow of the tall tree}} =\frac{\text{Height of the nearby tree}}{\text{Shadow of the nearby tree}}

Substitute the given values we get;

\frac{36}{9}=\frac{x}{14}

Simplify:

4 = \frac{x}{14}

Multiply both sides by 14 we get;

x= 4 \times 14 = 56 foot.

therefore, the height of the nearby tree is, 56 foot.



7 0
3 years ago
Alexa has some dimes and some quarters. She has a minimum of 28 coins worth a maximum of $5.05 combined. If Alexa has 17 quarter
vazorg [7]

Answer:

if she has 17 quarters, the money of it would be $4.25.

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Step-by-step explanation:

7 0
3 years ago
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