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vova2212 [387]
4 years ago
15

Please answer thanks a lot!

Mathematics
1 answer:
Evgen [1.6K]4 years ago
6 0
Vol (pyr) = 1/3 b × h, where h = 15 and b = base = area of triangular base = 1/2 b×h, where h = 12 and b = 13
V = 1/3 (1/2×12×13)×15
V = (1/3×1/2×12)×13×15
V = 2×13×15 = 30×13 = 390 in^3
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Solve for x please help
34kurt

Answer:

x = 9

Step-by-step explanation:

By remote exterior angle theorem:

(12x + 14)\degree = (1 + 5x) \degree+ 76 \degree \\ 12x + 14 = 1 + 5x + 76 \\ 12x - 5x = 77 - 14 \\ 7x = 63 \\x =  \frac{63}{7}  \\ \huge \red{ \boxed{ x = 9}}

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On monday an investor bought 100 shares of stock. On Tuesday the value of the shares went up 4%. how much did the investor pay f
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4 years ago
Name the polynomial and number of terms.<br> 10v4 +5v2 + 2v-5
IrinaK [193]

Answer:

Trinomial

Step-by-step explanation:

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3 years ago
Why are there two solutions for the equation |6 + y| = 2? Explain.
GaryK [48]

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Steps:

|f\left(y\right)|=a\quad \Rightarrow \:f\left(y\right)=-a\quad \mathrm{or}\quad \:f\left(y\right)=a, 6+y=-2\quad \quad \mathrm{or}\quad \:\quad \:6+y=2

6+y=-2\quad :\quad y=-8,\\6+y=-2,\\\mathrm{Subtract\:}6\mathrm{\:from\:both\:sides}, 6+y-6=-2-6,\\\mathrm{Simplify}, y=-8

6+y=2\quad :\quad y=-4,\\6+y=2,\\\mathrm{Subtract\:}6\mathrm{\:from\:both\:sides},6+y-6=2-6\\\mathrm{Simplify},y=-4

\mathrm{Combine\:the\:ranges}, y=-8\quad \mathrm{or}\quad \:y=-4

\mathrm{The\:Correct\:Answer\:is\:Because\:of\:the\:absolute\:value,\:It\:could\:be\:Positive\:or\:negative.}

\mathrm{Hope\:This\:Helps!!!}

\mathrm{-Austint1414}

7 0
4 years ago
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