3 years ago

Write an expression that equals 40 including exponent

Mathematics

1 answer:

kifflom [539]3 years ago

5 0

5^2 + 15 = 40 Would be an answer

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I need help doing -12 plus -12 as a world wide explanation

Musya8 [376]

Answer:

-24

Step-by-step explanation:

hope it helps have a good day/night :)

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3 years ago

Graph the system below<br> 2x-3y=-18<br> 3x+y=-5

pshichka [43]

Answer:

$x = 3 \frac{(y - 6)}{2} \\ \\ x = \frac{ - 5 - y}{3}$

Step-by-step explanation:

$2x = - 18 + 3y \\ 2x = 3y - 18 \\ x = \frac{3y - 18}{2} \\ x = \frac{3(y - 6)}{2} \\ \\ 3x = - 5 - y \\ x = \frac{ - 5 - y}{3}$

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2 years ago

Find the volume of a pyramid with a square base, where the perimeter of the

lianna [129]

Answer:

$42.7\,\,cubic\,\, meters$

Step-by-step explanation:

Given: Perimeter of base of a pyramid = 12.8 m

Height of the pyramid = 12.5 m

To find: volume of a pyramid

Solution:

Perimeter of base of a pyramid = 12.8 m

As base of the pyramid is a square,

12.8 = $4(side\,\,of\,\,a\,\,square)$

side of a square = $\frac{12.8}{4}=3.2\,\,m$

Area of a square (A) = $(side\,\,of\,\,a\,\,square)^2=(3.2)^2=10.24\,\,m^2$

Height of the pyramid (h) = 12.5 m

Volume of the pyramid = $\frac{Ah}{3}=\frac{1}{3}(10.24)(12.5)=42.7\,\,cubic \,\,meters$

6 0

4 years ago

PLEAS HELP QUICK What is the volume of the figure?

mrs_skeptik [129]

Answer:

1530 cubic cm

Step-by-step explanation:

(18*4*10) + (9*9*10) = 1530

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3 years ago

1 pen: $0.75. 1 highlighter: $0.40. 1 eraser: $0.25. The students pays with a $5 bill.

pashok25 [27]

Your change is $3.90

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4 years ago

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