3 years ago

Which diagram contains a pair of similar triangles?

Mathematics

1 answer:

Musya8 [376]3 years ago

6 0

Answer:

Step-by-step explanation:

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Calculate the volume of the pyramid above. V = ? m3

Vadim26 [7]

V = lwh/3
= 5x3x1/3
= 15/3
= 5
Therefore the volume is 5 meter cubed.

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3 years ago

Fourteen thousand seven hundred ninety three in standard form

NeTakaya

Answer:

14,793

Step-by-step explanation:

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3 years ago

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Help please

Novosadov [1.4K]

$General\ equation\ for\ line\ in\ slope\ intercept\ form:\\\\y=ax+b\\\\To\ find\ a\ and\ b\ substitude\ points\ (-7,5)\ (-4,1)\ into\ equation\\\\ 
\left \{ {{5=-7a+b}\ \ \ \ \atop {1=-4a+b\ |*-1}} \right.\\\\ \left \{ {{5=-7a+b}\ \ \ \ \atop {-1=4a-b}} \right.\\\\
+----\\\\Addition\ method\\\\
4=-3a\ \ |:(-3)\\\\
a=-\frac{4}{3}\\\\
b=5+7a=5+7*(-\frac{4}{3})=5-\frac{28}{3}=-4\frac{1}{3}\\\
Answer\ y=-\frac{4}{3}x-4\frac{1}{3}\\\\
Checking\ solution:\\
y-5=-\frac{4}{3}(x+7)
$ $y-5=-\frac{4}{3}x-\frac{28}{3}\\\\
y=-\frac{4}{3}x-\frac{28}{3}+5\\\\
y=-\frac{4}{3}x-4\frac{1}{3}\\\\Answer:B \ and\ D.$

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3 years ago

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If f(x) = 3x2 – 12x + 4, find f(–2). A) -40 B) -20 C) 20 D) 40

Digiron [165]

Answer:

The answer is D

Step-by-step explanation:

f(x) = 3x² - 12x + 4

f(-2) = 3(-2)² - 12(-2) + 4

= 12 + 24 + 4

= 40

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3 years ago

A smaller triangle is four times smaller than a larger triangle. If the smaller triangle has a measurement of 27.1 mm for its lo

madam [21]

Answer:

D. 108.4 mm

Step-by-step explanation:

Since the larger triangle is 4 times of the small triangle...

27.1 x 4 = 108.4 mm

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3 years ago