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3 years ago

1) Find the x-coordinate of the vertex, y-coordinate of the vertex, and the z-

Mathematics

1 answer:

Afina-wow [57]3 years ago

4 0

Answer:

b is the answer i think

Step-by-step explanation:

I learned this at some point

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beks73 [17]

Answer:

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The graph below represents which system of inequalities?

mamaluj [8]

The graph below represents y < 2 over 3x − 2 | <span>y > 2x + 2</span> system of inequalities. The answer is letter C. The rest of the choices do not answer teh qustion above

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Rina8888 [55]

Answer: 2.5, 5.4

Step-by-step explanation:

$-16t^2 +126t=213\\\\16t^2 -126t+213=0\\\\t =\frac{-(-126) \pm \sqrt{(-126)^2 -4(16)(213)}}{2(16)}\\\\t \approx 2.5, 5.4$

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1 year ago

What should be the paper weight

nata0808 [166]

Answer:

6.25 cm

Step-by-step explanation:

$\rho=\dfrac{m}{V} \\\\V_{\text{pyramid}}= A_{\text{base}}\cdot h \cdot \dfrac{1}{3} \\\\1.6=\dfrac{400}{V} \\\\V=120 \cdot h \cdot \dfrac{1}{3} \\\\1.6=\dfrac{400}{40h} \\\\1.6=\dfrac{10}{h} \\\\1.6h=10 \\\\h=\dfrac{10}{1.6}=6.25\text{ cm}$

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3 years ago

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Ann [662]

Answer:

146

Step-by-step explanation:

4×12+5×10+4×12=146

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3 years ago