3 years ago

HELP ME FAST !!!!!!!!!!!!!!!

Mathematics

1 answer:

Ann [662]3 years ago

8 0

Answer:

its +

Step-by-step explanation:

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15 less than a number tripled is equivalent to the difference of the same number and 12

Nitella [24]

Step-by-step explanation:

x = number

3x - 15 = (x - 12)×-4 or (12-x)×-4

3x - 15 = -4x + 48 or -48 + 4x

7x = 63, x = 9 or

33 = x

4 0

2 years ago

(5+6b^3)^2 expand and combine like terms

Drupady [299]

Answer:

$( 5 + 6b^3)^2 = 36b^6 + 60b^3 + 25$

Step-by-step explanation:

$(a + b)^2 = a^2 + b^2 + 2ab$

So,

$(5 + 6b^3)^2 = (5)^2 + (6b^3)^2 + 2 (5)(6b^3)$

$= 25 + 36b^6 + 60b^3$

7 0

3 years ago

I only need 6-10 pleaseeeeswws

Genrish500 [490]

6) 381/100
7) 231/1000
8) -303//25
9) 9/1000
10) -227/50

3 0

3 years ago

What is the measure of x?

bogdanovich [222]

Answer:

Step-by-step explanation:

This is a right angle so the sum of those would be equal to 90 degrees

x + 7 + 3x - 5 = 90 add like terms

4x + 2 = 90 subtract 2 from both sides

4x = 88 divide both sides by 4

x = 22

8 0

3 years ago

Find x.<br> 8x + 11<br> 12x - 1

ELEN [110]

Answer:

x = 3

Step-by-step explanation:

If T is the midpoint, that means segments ST and TU are congruent.

Step 1: Set up expression

8x + 11 = 12x - 1

Step 2: Solve

11 = 4x - 1

12 = 4x

x = 3

4 0

3 years ago