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Marysya12 [62]
3 years ago
11

Which description is paired with its correct expression? two less than the quotient of a number cubed and four, increased by eig

ht; 2 minus StartFraction n cubed Over 4 EndFraction + 8 six times the difference of five and a number squared; 6 (n squared minus 5) three more than the quotient of nine and a number cubed, decreased by two; 3 + StartFraction 9 Over n cubed EndFraction minus 2 twice the difference of a number squared and three; 2 n squared minus 3
Mathematics
2 answers:
Annette [7]3 years ago
5 0

Answer:

Three more than the quotient of nine and a number cubed, decreased by two; 3 + StartFraction 9 Over n cubed EndFraction minus 2

Step-by-step explanation:

Nady [450]3 years ago
5 0

Answer:

C

Step-by-step explanation:

i took the review

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A building with a height of 40 meters casts a shadow that is 35 meters long. A statue next to the building casts a shadow that i
vfiekz [6]

9514 1404 393

Answer:

  8 meters

Step-by-step explanation:

The height of the object and its shadow length are presumed to be proportional.

  object height/shadow length = S/7= 40/35

Multiplying by 7 gives ...

  S = 7(40/35) = 8

The statue is 8 meters tall.

3 0
3 years ago
Find the total surface area of this cone.
3241004551 [841]

Answer:

Step-by-step explanation:

Total surface area of a cone is given by the expression,

SA = πrl + B

Here, r = Radius of the circular base

l = slant height

B = Surface area of the base

Surface area of the circular base = πr²

                                                       = π(5)²

                                                       = 25π cm²

Slant height 'AC' = \sqrt{AB^2+BC^2}

                            = \sqrt{h^2+r^2}

                            = \sqrt{5^2+(12)^2}

                            =  13 cm

Substitute the values in the expression of surface area,

SA = π(5)(13) + 25π

     = 65π + 25π

     = 90π cm²

Therefore, SA = 90π cm² will be the answer.

6 0
3 years ago
PLEASE HELPP MEE!!!! MATH!!! PLEASEEE HELP ME!!!!!
IRISSAK [1]

Answer:

The solution is (3,2)

Step-by-step explanation:

x - y = 1 →equation 1

-x + 3y = 3 →equation 2

by elimination method,

x - y = 1

-x + 3y = 3

-----------------

0 + 2y = 4

2y = 4

y = 4/2

y = 2

substitute y=2 in equation 1

x - y = 1

x - 2 = 1

x = 1 + 2

x = 3  

∴(3,2) is the solution

5 0
3 years ago
3² :)<br> Simple question!
kakasveta [241]

Answer:

3² = 9

^

(3 x 3)

Step-by-step explanation:

hope I helped

have a nice day!

8 0
3 years ago
Read 2 more answers
Helppppp!<br> <img src="https://tex.z-dn.net/?f=5x-6%3D3x-8" id="TexFormula1" title="5x-6=3x-8" alt="5x-6=3x-8" align="absmiddle
Setler79 [48]
Answer: X = -1

Solution:
2x - 6 = -8
2x = -2
X = -1

Please mark brainliest
6 0
3 years ago
Read 2 more answers
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