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maksim [4K]
3 years ago
11

T(r+4)=28 solve for tpls help ​

Mathematics
1 answer:
Reptile [31]3 years ago
3 0

Answer: 28/r+4

Step-by-step explanation: Divide each term by r + 4 and simplify

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Which expressions are equivalent to 4(x+1) + 7(x+3)? Select two answers.
Natalija [7]

Answer:

9(x+3) + 2(x+3) or 10(x+2) +(x+5)

Step-by-step explanation:

First you want to distribute the equation.

4(x+1) + 7(x+3) multiplied out is

4x + 4 + 7x + 21

Now we add like terms so it comes out to

11x + 25

Two expressions that can come out to equal 11x + 25 is. 9(x+3) + 2(x+3) or 10(x+2) +(x+5)

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3 years ago
Julia can finish a 20-mile bike ride in 1.2 hours. Katie can finish the same bike ride in 1.6 hours. How much faster does Julia
Nimfa-mama [501]

We know that,speed = \frac{distance}{time}

Julia can finish a 20-mile bike ride in 1.2 hours.

The distance Julia travels is 20 miles and the time she takes is 1.2 hours.

So, Julia's speed = \frac{20}{1.2} = 16.67 mph


Katie can finish the same bike ride in 1.6 hours.

The distance Katie travels is 20 miles and the time she takes is 1.6 hours.

So, Katie's speed = \frac{20}{1.6} = 12.5 mph


Now, to find how much faster Julia rides than Katie we subtract Katie's speed from Julia's speed.

So, 16.67 mph - 12.5 mph = 4.17 mph = 4.2 mph (approximately)

Thus, Julia rides 4.2 mph faster than Katie.

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2 years ago
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Create a 5th degree trinomial that has a constant term of 3.
erastovalidia [21]

Answer:

4x^5\:+\:9x^2\:+\:3 is a trinomial having three terms, with degree 5 and the constant term '3'.

Step-by-step explanation:

Considering the trinomial

4x^5\:+\:9x^2\:+\:3

As the polynomial contains 3 terms, so it is a trinomial.

As the highest power of the variable 'x' is 5, so the degree of this polynomial is 5.

Any term with no variable is called a constant term. so, 3 is a term with no variable. Therefore, the constant term is 3.

Therefore, 4x^5\:+\:9x^2\:+\:3 is a trinomial having three terms, with degree 5 and the constant term '3'.

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2 years ago
ASAPPP! please help, POINTS!!
Bas_tet [7]

Answer:

C: 1.5

Step-by-step explanation:

For point D, the y value goes from 4 -> 6. This means that 4x = 6 , x=\frac{6}{4} = 1.5.

For point F, both values (x and y) are multiplied by 1.5.

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2 years ago
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HELPP ASAP
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Answer:

(4, -5)

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