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Bumek [7]
3 years ago
9

Select the letter of the correct answer. A museum in South Africa uses paintings of right-angled triangles to teach children abo

ut the Pythagorean Theorem: A squared + B squared = C squared Let's say that A = 4 and B = 3. Based on the theorem, what is the value of C squared? Choose the correct expression. A 42+
32 B (4 x 3)2 C (4 + 3)2 D 4 + 3 ​

Mathematics
1 answer:
VikaD [51]3 years ago
5 0
The answer is C I think
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Write the equation of the line fully simplified slope-intercept form. ​
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Y=-2/3x-5
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2/5 of a number is what percentage of that number?
Law Incorporation [45]

Answer:

40%

Step-by-step explanation:

In order to find percent, you can set up the fraction 2/5 to the equation x/100.

\frac{2}{5}=\frac{x}{100}

Then solve using algebra to cross-multiply.

(2*100)=(x*5)

200 = 5x

x = \frac{200}{5} = 40

so the answer is 40%.

8 0
3 years ago
Pleaseee send the answer I’m doing a test pog
Norma-Jean [14]

Answer:

X = 38°

Step-by-step explanation:

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8 0
3 years ago
CALCULUS EXPERT WANTED. Can someone solve this or at least try to explain to me the fundamental theorem of calculus (FTC).
Amanda [17]

a. By the FTC,

\displaystyle\frac{\mathrm d}{\mathrm dx}\int_1^{\cos x}(t+\sqrt t)\,\mathrm dt=(\cos x+\sqrt{\cos x})\dfrac{\mathrm d}{\mathrm dx}\cos x=-\sin x(\cos x+\sqrt{\cos x})

b. We can either evaluate the integral directly, or take the integral of the previous result. With the first method, we get

\displaystyle\int_1^{\cos x}(t+\sqrt t)\,\mathrm dt=\dfrac{t^2}2+\dfrac{2t^{3/2}}3\bigg|_{t=1}^{t=\cos x}=\left(\dfrac{\cos^2x}2+\dfrac{2(\cos x)^{3/2}}3\right)-\left(\dfrac12+\dfrac23\right)

=\dfrac{\cos^2x}2+\dfrac{2\sqrt{\cos^3x}}3-\dfrac76

c. The derivative of the previous result is

\dfrac{2\cos x(-\sin x)}2+\dfrac{2\cdot\frac32(\cos x)^{1/2}(-\sin x)}3=-\sin x\cos x-\sin x\sqrt{\cos x}

which is the same as the answer given in part (a), so ...

d. ... yes

4 0
3 years ago
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