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2 years ago

What is 3×(-45+6) 23²+1⁴

Mathematics

1 answer:

gtnhenbr [62]2 years ago

4 0

Answer:

3×(-45+6) 23²+1⁴

= - 61892

Step-by-step explanation:

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A stainless steel patio heater is a square pyramid. The length of one side of the base is 89.6 The slant height of the pyramid i

Temka [501]

Answer:

9.48

Step-by-step explanation:

Complete question

A stainless steel patio heater is a square pyramid. The length of one side of the base is 89.6 The slant height of the pyramid 90.1. What is the height of the pyramid?

To get the height of the pyramid, we will use pythagoras theorem.

slant height l is the hypotenuse

length of the base is the adjacent

height of the pyramid is the opposite

According to the theorem;

l² = h² + b²

90.1² = h² + 89.6²

8,118.01 = h²+8,028.16

h²= 8,118.01 - 8,028.16

h² = 89.85

h =√89.85

h = 9.48

Hence the height of the pyramid will be 9.48

Note that the value of the slant height was assumed to solve the problem.

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2 years ago

A store pays $24 for a jewelry box and marks the price up by 20%. What is the amount of

Ratling [72]

Answer:

$4.8

Step-by-step explanation:

$24×20/100=$4.8

7 0

2 years ago

What is the vertex of the parabola? y+4=12(x−7)2

Alborosie

Vertex is (7,-4) for answer.

Hope this helps. :)

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3 years ago

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Write an equation in slope-intercept form of the line that passes through (-1, 4) and (0, 2).

arsen [322]

Answer:

$y=-2x+2$

Step-by-step explanation:

Hi there!

Slope-intercept form: $y=mx+b$ where m is the slope and b is the y-intercept (the value of y when the line crosses the y-axis)

1) Determine the slope

$m=\frac{y_2-y_1}{x_2-x_1}$ where the two given points are $(x_1,y_1)$ and $(x_2,y_2)$

Plug in the given points (-1, 4) and (0, 2)

$=\frac{2-4}{0-(-1)}\\=\frac{-2}{0+1}\\=\frac{-2}{1}\\= -2$

Therefore, the slope of the line is -2. Plug this into $y=mx+b$ :

$y=-2x+b$

2) Determine the y-intercept

$y=-2x+b$

Recall that the y-intercept is the value of y when the line crosses the y-axis, meaning that the y-intercept occurs when x is equal to 0.

One of the given points is (0,2). Notice how y=2 when x=0. Therefore, the y-intercept of the line is 2.

Plug this back into the equation:

$y=-2x+2$

I hope this helps!

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2 years ago

Find the value of X to the nearest tenth.

PIT_PIT [208]

Step-by-step explanation:

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2 years ago

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