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Paladinen [302]
2 years ago
5

Is x - 0.30x equivalent to 0.70x?

Mathematics
2 answers:
tresset_1 [31]2 years ago
8 0

Answer:

yes

Step-by-step explanation:

as

x - 0.3x = 1×x - 0.3x = (1-0.3)x = 0.7x

vlada-n [284]2 years ago
6 0

hi

it's equal to as X = 1X  

so 1X-0.3X = 0.7X

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Can someone please help me with this please I really need help
Lubov Fominskaja [6]

Answer:N

Step-by-step explanation:

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2 years ago
After being treated with chemotherapy, the radius of the tumor decreased by 23%. What is the corresponding percentage decrease i
Crazy boy [7]

Answer:

The volume of the tumor experimented a decrease of 54.34 percent.

Step-by-step explanation:

Let suppose that tumor has an spherical geometry, whose volume (V) is calculated by:

V = \frac{4\pi}{3}\cdot R^{3}

Where R is the radius of the tumor.

The percentage decrease in the volume of the tumor (\%V) is expressed by:

\%V = \frac{\Delta V}{V_{o}} \times 100\,\%

Where:

\Delta V - Absolute decrease in the volume of the tumor.

V_{o} - Initial volume of the tumor.

The absolute decrease in the volume of the tumor is:

\Delta V = V_{o}-V_{f}

\Delta V = \frac{4\pi}{3}\cdot (R_{f}^{3}-R_{o}^{3})

The percentage decrease is finally simplified:

\%V = \left[1-\left(\frac{R_{f}}{R_{o}}\right)^{3} \right]\times 100\,\%

Given that R_{o} = R and R_{f} = 0.77\cdot R, the percentage decrease in the volume of tumor is:

\%V = \left[1-\left(\frac{0.77\cdot R}{R}\right)^{3} \right]\times 100\,\%

\%V = 54.34\,\%

The volume of the tumor experimented a decrease of 54.34 percent.

5 0
3 years ago
Which graph represents the function R(x) = 821+ +4?
Paha777 [63]

Answer:

answer is i

Step-by-step explanation:

6 0
3 years ago
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Katena32 [7]

Answer:

4 t-shirts

Step-by-step explanation:

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8 0
2 years ago
3. What is the solution set of the equation 3x + 5) = x + 2?
Simora [160]
The solution set of 3x+5=x+2 is x=-1. This is because you want to get the variables on one side and the numbers on the other. you subtract x on both sides and subtract 5 on both sides. your equation then becomes 3x=-3. you then divide 3 on both sides and you get your answer of x=-1.
3 0
3 years ago
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