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max2010maxim [7]

2 years ago

15

Syma will spend more than $32 on gifts. So far, she has spent $15 . What are the possible additional amounts she will spend? Use

cfor the additional amount (in dollars) Syma will spend. Write your answer as an inequality and solved for c.

1 answer:

julia-pushkina [17]2 years ago

3 0

Answer:

Step-by-step explanation:

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Answer:

pay more attention in class genius

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How to find the perimeter?

Gemiola [76]

Answer:

39

Step-by-step explanation:

The angles are equal. This means that the triangle is equilateral and all the sides are equal to each other.

Set any two sides equal to each other.

2x - 3 = x + 5

x - 3 = 5

x = 8

Now substitute this x value into all the sides and add the numbers up.

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2 years ago

(x+3)(3x² - 5x - 10) multiply polynomial

brilliants [131]

Answer:

$\boxed{\sf{3x^3+4x^2-25x-30}}$

Step-by-step explanation:

$\underline{\text{SOLUTION:}}$

To isolate the term of x from one side of the equation, you must multiply by a polynomial.

$\underline{\text{GIVEN:}}$

$:\Longrightarrow: \sf{(x+3)(3x^2 - 5x - 10)}$

<u>You have to solve with parentheses first.</u>

$:\Longrightarrow \sf{x\cdot \:3x^2+x\left(-5x\right)+x\left(-10\right)+3\cdot \:3x^2+3\left(-5x\right)+3\left(-10\right)}$

<u>Solve.</u>

$\sf{x*3x=3x^3}$

x(-5x)=-5x²

$\sf{x(-10)=-10x}$

3*3x²=9x²

3(-5x)=-15x

3(-10)=-30

<u>Then, rewrite the problem down.</u>

$\sf{3x^3-5x^2-10x+9x^2-15x-30}$

<u>Combine like terms.</u>

$\Longrightarrow: \sf{3x^3-5x^2+9x^2-10x-15x-30}$

<u>Add/subtract the numbers from left to right.</u>

-5x²+9x²=4x²

$\Longrightarrow: \sf{3x^3+4x^2-10x-15x-30}$

<u>Solve.</u>

$\sf{-10x-15x=-25x}$

<u>Then rewrite the problem.</u>

$\Longrightarrow: \boxed{\sf{3x^3+4x^2-25x-30}}$

<u>Therefore, the correct answer is 3x³+4x²-25x-30.</u>

I hope this helps! Let me know if you have any questions.

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2 years ago

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Rainbow [258]

Answer:

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Step-by-step explanation:

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A new physical therapy is being tested in an experimental setting to see if

PolarNik [594]

Answer:

Control Group.

Step-by-step explanation:

A control group, in research, is a group that is not experimented by the researchers in an experiment. A control group is the opposite of an experimental group, on which the independent variable is performed. In other words, an independent variable is held on 'control' in control group.

<u>In the given scenario, the experiment is being performed to test a new physical therapy. To do so, the researchers divided the group in three groups, in which, one group did not receive any treatment; the treatment is held on 'control' in this group.</u>

So, according to the definition provided, the group that did not receive the treatment will be called a control group, thus the correct answer.

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2 years ago