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4 years ago

How do you find the surface area of a triangular prism

Mathematics

2 answers:

CaHeK987 [17]4 years ago

7 0

<span>area = (1/2) · b · (6 · h + sqrt(3) · b) hope that helped</span>

insens350 [35]4 years ago

3 0

The area is 1/2 hope this hope

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(9r²+5r-11) - (-2r²+9r-8)

Alex787 [66]

Answer:

11r²-4r-3

Step-by-step explanation:

soo,, now firstly change the signs of 2nd expression

so,

9r²+5r-11+2r²-9r+8

now

we will combine the same terms like , see next step

9r²+2r²+5r-9r-11+8

11r²-4r-3

3 0

3 years ago

Read 2 more answers

Find three consecutive odd integers whose sum is negative 465

Genrish500 [490]

465 / 3 = 155

so -153 + -155 + -157 = -465

7 0

3 years ago

Evaluate using order of operation and please show work

Kamila [148]

Answer:

Step-by-step explanation:

Given expression:

20 - $\frac{15 + 3(5)^{2} }{5^{2} - 4^{2} }$

To solve this problem, we use the order of operation:

P - Parentheses

E - exponents

M - multiplication

D - division

A - Addition

S - Subtraction

Now solve the parentheses first;

= 20 - $\frac{15 + 3x 25}{5^{2} - 4^{2} }$

= 20 - $\frac{15 + 75}{5^{2} - 4^{2} }$

Now solve the exponents:

= 20 - $\frac{15 + 75}{25 - 16}$

Now solve the division:

= 20 - $\frac{90}{9}$

= 20 - 10

= 10

3 0

4 years ago

Solve by factoring the equation x^2+36=12x

Fudgin [204]

$x^2+36=12x\\\\x^2-12x+36=0\\\\x^2-6x-6x+36=0\\\\x(x-6)-6(x-6)=0\\\\(x-6)(x-6)=0\\\\(x-6)^2=0\iff x-6=0\Rightarrow\boxed{x=6}$

6 0

4 years ago

a rectangle has a width that is 1/2 its length the perimeter of this rectangle is 42 inches what is the width of the rectangle..

irakobra [83]

Answer:

w = 7 inches

Step-by-step explanation:

length = n

width = n/2

Perimeter = 2n + 2(n/2)

42 = 2n + n

42 = 3n

n = 14

width = 14/2 = 7

3 0

3 years ago