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3 years ago

Find the volume of the pyramid shown.

Mathematics

1 answer:

Otrada [13]3 years ago

4 0

Answer:

Step-by-step explanation:

The volume of a pyramid is the base area times the height divided by three

V=xyh/3

V=5(4)6/3

V=40 cubic centimeters

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Simplify: (3n2 +9+5n4 – 3n)+(-9n* - 7 -5n?)

Alona [7]

Answer:

3n^2+9+5n^4+55n

Step-by-step explanation:

Steps

$\left(3n^2+9+5n^4-3n\right)+\left(-9n\left(-7\right)-5n\right)$

$\mathrm{Remove\:parentheses}:\quad\left(a\right)=a,\:-\left(-a\right)=a$

$=3n^2+9+5n^4-3n+9n\cdot\:7-5n$

$\mathrm{Add\:similar\:elements:}\:-3n-5n=-8n$

$=3n^2+9+5n^4-8n+9\cdot\:7n$

$\mathrm{Multiply\:the\:numbers:}\:9\cdot\:7=63$

$=3n^2+9+5n^4-8n+63n$

$\mathrm{Add\:similar\:elements:}\:-8n+63n=55n$

$=3n^2+9+5n^4+55n$

7 0

3 years ago

X 4) Find the product of 4 x 2 3/4. 18 3/4 O 7 1/2 11 O 14

Vadim26 [7]

9514 1404 393

Answer:

Step-by-step explanation:

4 × (2 3/4) = 4×2 + 4×(3/4) = 8 + 3 = 11

4 × (2 3/4) = 4 × 11/4 = 11

5 0

3 years ago

How much appels does Sally have if she buys 1 today and 1 tomorrow

mylen [45]

1 apple + 1 apple = 2 apples

3 0

3 years ago

Read 2 more answers

PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!

Citrus2011 [14]

It is 3x=4. If u need anymore help then that is cool

4 0

2 years ago

Read 2 more answers

How would you graph f(x) = 7x + 5 when you reflect it over y axis and translate it 3 units left

SOVA2 [1]

Answer:

See explanation

Step-by-step explanation:

Given the function $f(x)=7x+5$

1. To reflect the graph of the function f(x) over the y-axis, you should change the slope of the line in opposite. The slope of the function f(x) is 7, so the slope of the reflected function will be -7 and the expression of the reflected function will be

$g(x)=-7x+5$

2. To translate the function g(x) 3 units left, add 3 units to x, thus the expression for the function will be

$h(x)=-7(x+3)+5\\ \\h(x)=-7x-21+5\\ \\h(x)=-7x-16$

See attached diagram for details.

8 0

3 years ago