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-BARSIC- [3]
3 years ago
14

What is the next step Marcin should perform? What is the volume of the half sphere? V = π cm3

Mathematics
2 answers:
denis23 [38]3 years ago
8 0

\frac{2}{3} \pi {r}^{3}
wel3 years ago
5 0

Answer:

2nd option

v= 128/3 pi cm^3

Step-by-step explanation:

edge 2020

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(2a2 + ab + 2b) + (4a2 − 3ab + 9)
riadik2000 [5.3K]
2a² + ab + 2b + 4a² - 3ab + 9

combine like terms:
2a² + 4a² + ab - 3ab + 2b + 9

6a² - 2ab + 2b + 9
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Please help me with this
Arturiano [62]

Answer: d

Step-by-step explanation:

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4 years ago
Let ​ f(x)=x2−18x+157 ​.
mrs_skeptik [129]
Hello :
<span>f(x)=x²−18x+157
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      = (x-9)² </span>-9²+157
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4 years ago
Read 2 more answers
What is an equation of the line that passes through the points (0,7) and (5,4? Put your answer in fully reduced form.
gregori [183]

Answer <u>(assuming it can be in slope-intercept format)</u>:

y = -\frac{3}{5} x+7  

Step-by-step explanation:

When knowing the y-intercept of a line and its slope, we can write an equation representing it in slope-intercept form, or y = mx + b.

1) First, find the slope of the equation. Use the slope formula, m = \frac{y_2-y_1}{x_2-x_1}, to find the slope. Substitute the x and y values of the given points into the formula and simplify:

m = \frac{(4)-(7)}{(5)-(0)} \\m = \frac{4-7}{5-0} \\m = \frac{-3}{5}

Thus, the slope is -\frac{3}{5}.

2) Usually, we would have to use one of the given points and the slope to put the equation in point-slope form. However, notice that the point (0,7) has an x-value of 0. All points on the y-axis have an x-value of 0, thus (0,7) must be the y-intercept of the line. Now that we know the slope of the line and its y-intercept, we can already write the equation in slope-intercept format, represented by the equation  y = mx + b. Substitute m and b for real values.

Since m represents the slope, substitute -\frac{3}{5}  in its place in the equation. Since b represents the y-intercept, substitute 7 in its place. This gives the following equation and answer:

y = -\frac{3}{5} x+7

4 0
3 years ago
The table shows the height of a plant as it grows. A. Model the data with an equation. B. Based on your model, predict the heigh
Julli [10]

Answer:36 cm

Step-by-step explanation:

8 0
3 years ago
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