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3 years ago

Answer ASAP!!!!!! PLEASE HELP MEE!

Mathematics

2 answers:

Hunter-Best [27]3 years ago

5 0

Answer:

Step-by-step explanation:

Because B can be simplified to 3-4 ( which is the ratio needed)

therefor we know that Dis the answer

iren [92.7K]3 years ago

3 0

Answer:D.It is greater than the ratio of trumpets to clarinets.

First, you have to find the ratio flutes to violins. That is 9:12. Simplified, it is 3:4. Now, lets go down the list of options we have to pick

First option is A.It is the same ratio of violas to oboes. The ratio violas to oboes is 4:3. That is not the same as 3:4, so eliminate that option.

Second option is B.It is greater than the ratio of oboes to violas. The ratio oboes to violas is 3:4. This is the same as 3:4, so eliminate that option.

Third option is C.It is the same as the ratio of clarinets to trumpets. The ratio clarinets to trumpets is 6:2. That simplified is 3:1. This is not the same as 3:4. So lets eliminate that option. The only option left is option D, but how to check is down below.

Finally, the last option is D. It is greater than the ratio of trumpets to clarinets. The ratio trumpets to clarinets is 2:6. That simplified is 1:3. 3:4 is greater than 1:3, so D is the correct answer.

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What is the solution to sqrt 17-x=x+3? Show your work.

snow_lady [41]

Answer:

$x=1$

Step-by-step explanation:

Remember:

$(\sqrt[n]{a})^n=a\\\\(a+b)=a^2+2ab+b^2$

Given the equation $\sqrt{17-x}=x+3$ , you need to solve for the variable "x" to find its value.

You need to square both sides of the equation:

$(\sqrt{17-x})^2=(x+3)^2$

$17-x=(x+3)^2$

Simplifying, you get:

$17-x=x^2+2(x)(3)+3^2\\\\17-x=x^2+6x+9\\\\x^2+6x+9+x-17=0\\\\x^2+7x-8=0$

Factor the quadratic equation. Find two numbers whose sum be 7 and whose product be -8. These are: -1 and 8:

$(x-1)(x+8)=0$

Then:

$x_1=1\\x_2=-8$

Let's check if the first solution is correct:

$\sqrt{17-(1)}=(1)+3$

$4=4$ (It checks)

Let's check if the second solution is correct:

$\sqrt{17-(-8)}=(-8)+3$

$5\neq-5$ (It does not checks)

Therefore, the solution is:

$x=1$

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3 years ago

Anna, Irina, Avel, and Vlad are going on a road trip. The following table shows an incomplete probability model for who will be

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Step-by-step explanation:

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Here

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3 years ago

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tangare [24]

Answer:

The equation that represents the total cost in dollars is C = 100p + 300

Step-by-step explanation:

The form of the linear equation is y = m x + b, where

m is the slope ⇒ rate of change

b is the y-intercept ⇒ fixed amount

∵ Avery must pay a daily fixed cost to rent the building and equipment

∴ There is a fixed amount b

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∴ There is a rate m

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∴ The equation is C = m p + b

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∴ m = 100

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→ Subtract 300 from both sides to find b

∵ 600 - 300 = 300 - 300 + b

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→ Substitute it in the equation

∴ C = 100p + 300

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