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3 years ago

Convert: 16,000 pounds tons Submit convert it

Mathematics

1 answer:

dezoksy [38]3 years ago

3 0

Answer: 8

Step-by-step explanation:

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The formula below gives the Fahrenheit temperature F in terms of the Celsius temperature C.

Nostrana [21]

$F=\dfrac{9}{5}C+32\\\\a.\ \dfrac{9}{5}C+32=F\ \ \ \ |-32\\\\\dfrac{9}{5}C=F-32\ \ \ |\cdot\dfrac{5}{9}\\\\C=\dfrac{5}{9}(F-32)$

$F=60\to C=\dfrac{5}{9}(60-31)=\dfrac{5}{9}\cdot29\approx16.1\\\\\boxed{60^oF\approx16.1^oC}$

$C=42\to F=\dfrac{9}{5}\cdot42+32=75.6+32=107.6\\\\\boxed{42^oC=107.6^oF}$

8 0

3 years ago

GRAVITATION The height h(t) in feet of an object t seconds after it is propelled straight up from the ground with an initial vel

zhuklara [117]

<h3>Option B</h3><h3>At 2 second and 1.75 second, the object be at a height of 56 feet</h3>

Solution:

Given that,

The height h(t) in feet of an object t seconds after it is propelled straight up from the ground with an initial velocity of 60 feet per second is modeled by the equation:

$h(t) = -16t^2 + 60t$

At what times will the object be at a height of 56 feet

Substitute h = 56

$56 = -16t^2 + 60t\\\\16t^2 - 60t + 56 = 0\\\\Divide\ the\ equation\ by\ 4\\\\4t^2 - 15t + 14=0$

Solve the above equation by quadratic formula

$\mathrm{For\:a\:quadratic\:equation\:of\:the\:form\:}ax^2+bx+c=0\mathrm{\:the\:solutions\:are\:}\\\\x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

$\mathrm{For\:}\quad a=4,\:b=-15,\:c=14\\\\x =\frac{-\left(-15\right)\pm \sqrt{\left(-15\right)^2-4\cdot \:4\cdot \:14}}{2\cdot \:4}\\\\Simplify\\\\x = \frac{15 \pm \sqrt{1}}{8}\\\\x = \frac{15 \pm 1}{8}\\\\We\ have\ two\ solutions\\\\x = \frac{15+1}{8} \text{ and } x = \frac{15-1}{8}\\\\x = 2 \text{ and } 1.75$

Thus, at 2 second and 1.75 second, the object be at a height of 56 feet

5 0

4 years ago

In which quadrant does the terminal side of a 135° angle in standard position lie?

dolphi86 [110]

Solutions

The terminal side of an angle in standard position is a ray that has been rotated from the positive (x) axis.

If the angle measure is positive the rotation is counterclockwise

If the angle measure is negative the rotation is counterclockwise.


The angle measure is positive, so the rotation is 135° is counterclockwise.

Rotate the ray 135° counterclockwise. This rotation puts the terminal side in Quadrant II.

6 0

3 years ago

Read 2 more answers

What the range of the relation in the table below ?

german

The first option

letter a 0,2, 4

3 0

3 years ago

Find the surface area of each figure. round your answer to the nearest tenth

qaws [65]

Answer: 378.57mi²

Step-by-step explanation:

Formula = a²+2a√{(a²/4)+h²}

please click thanks and mark brainliest if you like :)

8 0

3 years ago

Convert: 16,000 pounds tons Submit convert it​

Convert: 16,000 pounds tons Submit convert it