What is the surface area of the following triangular prism?

Answers

Answer 1

Answer: 64.5 cm²
A=1/2bh
Surface area is the total area of all of the sides and faces of a three-dimensional figure. To find the surface area, the area of each face is calculated and then add these areas together.

Answer 2

Answer: d)59.25 cm2 is the answer

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a pay phon3 at a shopping mall charges $0.68 for the first four minutes and $0.21 for each additional find the cost of a 10-minute call on this phone.

Answers

0.68 + (0.21x9)=2.57

.68x4 =2.72. .21x6=. 1.26. 1 .26 plus 2.72 = $3.98

Tina is making rectangular signs. Each poster has an area of 1800 square inches and the length is 30 inches more than the width. Find the length and width of her sign. If x represents the width of each sign, select all of the equations that could be used to solve this problem. 2(x)+2(x+30)=1800 (x+30)(x)=1800 x(30x)=1800 x(x+30)=1800 Part 2 Find the dimensions of each rectangular sign. width = inches length = inches

Answers

Part 1:
(x+30)(x)=1800
x(x+30)=1800

Part 2:
x+30)(x)=1800
Distribute the x.
x2+30x=1800
Subtract 1800 from both sides.
x2+30x−1800=0

How many ounces in 56.7 grams?

please help - mermaid (aaliyah)

Answers

There are 56.7 grams in 2.0003 ounces. HOPE THIS HELPS!!!!! XD

There are 56.7 grams in 2.00003 ounces. HOPE THIS HELPS!!!!! XD

Estimate the value as a product of a single digit and a power of 10. the one with () are exponets .... 906,000,000,000 A.9×10 (10) B.9×10 (11) C.9.06×10 (11) D. 9.06×10 (12)

Answers

The answer would be A. If it wasn't limited to a one digit number multiplied by a power of 10 then the answer would be 9.06*10^10, but the limitation requires a single digit leaving only the answer 9*10^10 because 10^10= 100,000,000,000. That multiplied by 9 would give you 900,000,000,000.

What is the volume of a sphere when r = 9 ft

Answers

volume of a sphere is calculated using a formula:
$(4)/(3) \pi * r^(3)$

so in this case:

$(4)/(3) \pi * 9^(3)$

and taht is:

$(4)/(3) \pi *729$
$= 972 \pi$

Hope it helps you! :)

$V=\frac43 \pi r^3\n r=9m\n \n V=\frac43 \pi 9^3=\frac43 \cdot 729\pi=972\pi$

Simplify the expression 3x(x-12x)+3x^2-2(x-2)^2.which statements Are true about the process and simplified product check all that apply

Answers

Answer:

-8 (4 x^2 - x + 1)

Step-by-step explanation:

Simplify the following:

3 x (x - 12 x) + 3 x^2 - 2 (x - 2)^2

x - 12 x = -11 x:

3 x×-11 x + 3 x^2 - 2 (x - 2)^2

3 x (-11) x = 3 x^2 (-11):

-11×3 x^2 + 3 x^2 - 2 (x - 2)^2

3 (-11) = -33:

-33 x^2 + 3 x^2 - 2 (x - 2)^2

3 x^2 - 33 x^2 = -30 x^2:

-30 x^2 - 2 (x - 2)^2

(x - 2) (x - 2) = (x) (x) + (x) (-2) + (-2) (x) + (-2) (-2) = x^2 - 2 x - 2 x + 4 = x^2 - 4 x + 4:

-30 x^2 - 2 x^2 - 4 x + 4

-2 (x^2 - 4 x + 4) = -2 x^2 + 8 x - 8:

-2 x^2 + 8 x - 8 - 30 x^2

Grouping like terms, -2 x^2 - 30 x^2 + 8 x - 8 = (-30 x^2 - 2 x^2) + 8 x - 8:

(-30 x^2 - 2 x^2) + 8 x - 8

-30 x^2 - 2 x^2 = -32 x^2:

-32 x^2 + 8 x - 8

Factor -8 out of -32 x^2 + 8 x - 8:

Answer: -8 (4 x^2 - x + 1)

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