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inessss [21]
3 years ago
14

Please help me on this answer, I am very confused and don't know the correct steps to take. Solve

Mathematics
2 answers:
photoshop1234 [79]3 years ago
5 0

Answer:

C) 102

Step-by-step explanation:

Hello !

2 + ∛(5x + 2) = 10

∛(5x + 2) = 10 - 2

∛(5x + 2) = 8

(∛(5x + 2))³ = 8³

5x + 2 = 512

5x = 512 - 2

5x = 510

x = 510 : 5

x = 102

Good luck !

IRISSAK [1]3 years ago
4 0

Answer:

102

Step-by-step explanation:

Since 2 + 8 = 10, then the cube root of 5x+2 = 8

Since 8×8×8=512, then 5x+2=512

5x=510, so x=102

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5. Use the vertical method to multiply two trinomials.
a_sh-v [17]

Answer:

19x²-2x+2

Step-by-step explanation:

stepss

4x^2-5x+3*5x^2+3x+2

then group the terms

4x²+3*5x²-5x+3x+2

add sim elements

4x²+3*5x²-2x+2

multiy the numbers

4x²+15x²-2x+2

add sim elements

19x²-2x+2

the answer is 19x²-2x+2

4 0
2 years ago
Surface area of a cube length: 10ft width: 7.5ft height: 12ft
Free_Kalibri [48]

Answer:

\large{\boxed{\bold{570  \ ft^2}}

Explanation:

Surface_Area_Cube: 2(Length x Width + Height x Length + Height x Width)

<h3 /><h3><u>Given sides</u>:</h3>
  • length: 10ft
  • width: 7.5ft
  • height: 12ft

<h3><u>Surface Area</u>:</h3>
  • 2(10 x 7.5 + 12 x 10 + 12 x 7.5)
  • 2(75 + 120 + 90)
  • 2(285)
  • 570 ft²
7 0
2 years ago
Read 2 more answers
Rearrange the equation so U is the independent variable. 4u+8w=−3u+2w
Basile [38]

Answer:

u=-\frac{6}{7} w

Step-by-step explanation:

4u+8w=-3u+2w

Add 3u and -8w on both sides.

4u+3u=2w-8w

Add or subtract like terms.

7u=-6w

Divide 7 on both sides.

7u/7=-6w/7

u=-\frac{6}{7} w

u  is the independent variable now.

8 0
3 years ago
Read 2 more answers
What are the missing numbers in the data set? Assume the numbers are in order
prohojiy [21]

Answer:

This answer is 42

Step-by-step explanation:

42 - 24 = 18

6 0
3 years ago
Solve y-12/25=3 1/5. What number is y?<br><br> A. 3 1/5<br> B. 3 17/25<br> C. 3 7/25<br> D. 4 17/25
kicyunya [14]

Answer:

Option c) y=3\frac{17}{25} is correct

The value of y is 3\frac{17}{25}

Step-by-step explanation:

Given equation is  

y-\frac{12}{25}=3\frac{1}{5}

To solve the given equation for y

y-\frac{12}{25}=3\frac{1}{5}

y-\frac{12}{25}=\frac{16}{5}  (converting mixed fraction to normal fraction )

y-\frac{16}{5}=\frac{12}{25}

y-\frac{(16\times 5)+12}{25}  (taking LCM 25 )

=\frac{80+12}{25}  (adding the terms )

y=\frac{92}{25}  (now convert fraction into mixed fraction )

Therefore y=3\frac{17}{25}

Option c) y=3\frac{17}{25} is correct

The value of y is 3\frac{17}{25}

6 0
3 years ago
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