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Sergeu [11.5K]
2 years ago
15

Ind the surface area of the square pyramid shown below.

Mathematics
2 answers:
Svetradugi [14.3K]2 years ago
3 0

Answer:

do u times it??

Step-by-step explanation:

or add? because I don't know

Dmitry [639]2 years ago
3 0

Answer:

the answer is 44.84

{4 }^{2}  + 2(4) \sqrt{ \frac{ {4}^{2} }{4} }  +  {3}^{2}

{a}^{2}  + 2a \sqrt{ \frac{ {a}^{2} }{4} }  +  {h}^{2}

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Marry Emma earned $45.00 babysitting her cousin. She saved $18.50 and spent the remainder. How much did Mary Emma spend?
gizmo_the_mogwai [7]

Answer:

She spent $26.50

Step-by-step explanation:

subtract $18.50 from $45.00

3 0
2 years ago
What is the sum 2 2/3 + 1 1/2?
erastova [34]

Answer:

4 1/6, 25/6, 4.167

Step-by-step explanation:

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3 years ago
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which of the following is the equation of the line that passes though the point (-2,1) and has a slope of 4
Ierofanga [76]

An equation that goes through (-2, 1) and has a slope of 4 is y = 4x + 9.


You can find this by looking for the y-intercept (b) by using the slope (m), the point and slope intercept form. The work is below for you.


y = mx + b

1 = 4(-2) + b

1 = -8 + b

9 = b


Now we can use that and the slope to create the equation y = 4x + 9

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3 years ago
2. Deshay borrowed $400 from the bank for 1 year. The bank charges 14% interest
Papessa [141]

Answer:

The bank charged 56 dollars in interest

7 0
3 years ago
Use polar coordinates to find the volume of the given solid. bounded by the paraboloid z = 5 + 2x2 + 2y2 and the plane z = 11 in
podryga [215]
Using cylindrical coordinates,

\displaystyle\int_{x=0}^{x=\sqrt3}\int_{y=0}^{y=\sqrt{3-x^2}}\int_{z=5+2x^2+2y^2}^{z=11}\mathrm dz\,\mathrm dy\,\mathrm dx
\displaystyle=\int_{\theta=0}^{\theta=\pi/2}\int_{r=0}^{r=\sqrt3}\int_{z=5+2r^2}^{z=11}r\,\mathrm dz\,\mathrm dr\,\mathrm d\theta
=\displaystyle\frac\pi2\int_{r=0}^{r=\sqrt3}r(11-(5+2r^2))\,\mathrm dr
=\displaystyle\pi\int_{r=0}^{r=\sqrt3}(3r-r^3)\,\mathrm dr
=\dfrac{9\pi}4
3 0
3 years ago
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