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AleksAgata [21]
3 years ago
13

How to find height of a triangular prism where length is 9, width is 3.5, and height is unknown. Volume is 50.4, and explain ans

wer.
Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
5 0
*The width in your question - I assumed it is refers to the height of the triangle base.

Volume of a triangle prism = base area x height

The base is a triangle:
Volume of a triangle prism = (1/2 x base x height₁) x height₂

Plug in the values and solve for height₂:

50.4 = (1/2 x 9 x 3.5) x height

50.4 = 15.75 x height

height = 50.4 ÷ 15.75

height = 3.2 units

-----------------------------------------
Answer: Height = 3.2 units
-----------------------------------------
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LenKa [72]

Answer:

f(-2) = 26

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
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<u>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 3x² - 7x

f(-2) is x = -2

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    f(-2) = 3(-2)² - 7(-2)
  2. Exponents:                          f(-2) = 3(4) - 7(-2)
  3. Multiply:                               f(-2) = 12 + 14
  4. Add:                                     f(-2) = 26
6 0
3 years ago
Round to the nearest tenth 2.8151
Paraphin [41]
._ is the tenths place . Therefore the answer is 2.8
5 0
3 years ago
What is -12(x-12)=-9(1+7x)​
katen-ka-za [31]

Answer:

-3

Step-by-step explanation:

-12(x-12)=-9(1+7x)

-12x+144=-9-63x

-12x+63x=-9-144

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3 0
3 years ago
The value of y varies jointly with x and z. If y = 7 when z = 196 and x = 2, find the value of y when x = 3 and z = 336. I will
eimsori [14]

Answer:

18

Step-by-step explanation:

Given that:

y∞ xz

y=kxz. Where k is constant

When z=196 and x= 2 then y= 7

7=(196)(2)k

7=392k

k=1/56

There fore y=(1/56)xz

When x=3 and z =336

y=(1/56)xz

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3 years ago
Find the values of x and y.​
olchik [2.2K]

Answer:

value of x = 26

value of y = 26 \|2

( 26 root 2 )

Step-by-step explanation:

here's the solution : -

=》

\sin(45)  =   \frac{perpendicular}{hypotenuse}

=》

\frac{1}{ \sqrt{2} }  =  \frac{26}{y}

=》

y = 26 \sqrt{2}

and

\tan(45)  =  \frac{perpendicular}{base}

=》

1 =  \frac{26}{x}

=》

x = 26

8 0
3 years ago
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