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1 year ago

60 PTS, BRAINLIEST, 5-STAR, THANKS.

Mathematics

1 answer:

kakasveta [241]1 year ago

5 0

Step-by-step explanation:

Add everything and then equate it to 360 and when you have found x, substitute it in A and B

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Solve for x: one over four (4x + 15) = 24 (5 points)

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The answer is eighty one over four

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3 years ago

The frequency distribution of two data sets are shown in the dot plots below

crimeas [40]

Answer:

1,4,6

Step-by-step explanation:

not sure it’s common sense

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2 years ago

Evaluate the integral using integration by parts with the indicated choices of u and dv. (Use C for the constant of integration.

trasher [3.6K]

Answer:

$\frac{xe^{7x}}{7} + \frac{e^{7x}}{49}$

Step-by-step explanation:

Given the integral equation

$\int\limits{xe^{7x}} \, dx \\$

According to integration by part;

$\int\limits {u} \, dv = uv + \int\limits {v} \, du$

u = x, dv = e^7x

du/dx = 1

du = dx

$v = \int\limits {e^{7x}} \, dx \\v = e^7x/7$

Substitute the given values into the formula;

$\int\limits {xe^{7x}} \, dx = x(e^{7x}/7) + \int\limits ({e^{7x}/7}) \, dx\\\int\limits {xe^{7x}} \, dx = \frac{xe^{7x}}{7} + \frac{e^{7x}}{7*7} \\\int\limits {xe^{7x}} \, dx = \frac{xe^{7x}}{7} + \frac{e^{7x}}{49}$

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3 years ago

Preform the indicated operation and express the answer in simplest radical form

tigry1 [53]

hello

the question here is

$3\sqrt[]{7}(14-4\sqrt[]{56})$

step 1

multiply through the bracket by the coeffiecient

$\begin{gathered} 3\sqrt[]{7}(14-4\sqrt[]{56}) \\ (3\sqrt[]{7}\times14)-(3\sqrt[]{7}\times4\sqrt[]{56}) \\ (14\times3\sqrt[]{7})-3\sqrt[]{7}\times4\sqrt[]{4\times14} \\ (42\sqrt[]{7})-3\sqrt[]{7}\times8\sqrt[]{14} \\ (42\sqrt[]{7})-\lbrack(3\times8)\sqrt[]{7\times14} \\ 42\sqrt[]{7}-24\sqrt[]{98} \end{gathered}$ $\begin{gathered} 42\sqrt[]{7}-24\sqrt[]{49\times2} \\ 42\sqrt[]{7}-24\times7\sqrt[]{2} \\ 42\sqrt[]{7}-168\sqrt[]{2} \end{gathered}$

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1 year ago

Which quadratic function is represented by the graph?

vagabundo [1.1K]

x =(2-√24)/-2=1+√ 6 = 1.449

x =(2+√24)/-2=1-√ 6 = -3.449

4 0

3 years ago

Read 2 more answers