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ololo11 [35]
2 years ago
11

Solve -5(3n + 4) = 40.

Mathematics
1 answer:
Sveta_85 [38]2 years ago
3 0
N=-4
Distribute the -5
-15n-20=40
-15n=60
n=-4

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Which equation has no solution A.) 4(x+3)+2x=6(x+2) B.) 5+2(3+2x)=x+3(x+1) C.) 5(x+3)+x=4(x+3)+3 D.) 4+6(2+x)=2(3x+8)
Savatey [412]

Answer:

B. 5+2(3+2x)=x+3(x+1)

Step-by-step explanation:

Expand the brackets.

5 + 6 + 4x = x + 3x + 3

11 + 4x = 4x + 3

Add -4x and -11 on both sides.

4x - 4x = 3 - 11

0 = -8

There are no solutions.

8 0
3 years ago
Read 2 more answers
The HCF of 12, 8 ,32 is?​
NISA [10]

Answer:

<u>4</u>

Step-by-step explanation:

Prime factorizing all terms :

  • 12 = 2² x 3
  • 8 = 2³
  • 32 = 2⁵

The highest common factor (HCF) shared by the 3 numbers is :

  • 2²
  • <u>4</u>

<u></u>

Hence, HCF (12, 8, 32) = <u>4</u>

8 0
2 years ago
What is the lowest common multiple of 24 and 40
geniusboy [140]

24 = 4*6 = 2*2 * 2 *3

40 = 4*10 = 2*2 *2 *5

least common multiple is 2*2*2*3*5

120

6 0
3 years ago
PLLLLLEASE T_T PLLLEASE
maxonik [38]

{\qquad\qquad\huge\underline{{\sf Answer}}}

let's solve ~

\qquad \sf  \dashrightarrow \:  \cfrac{4}{y - 6} +  \cfrac{5}{y + 3}   =  \cfrac{7y - 4}{ {y}^{2}  - 3y - 18}

\qquad \sf  \dashrightarrow \:  \cfrac{4(y + 3) + 5(y - 6)}{(y - 6)(y + 3)}  =  \cfrac{7y - 4}{ {y}^{2}  - 3y - 18}

\qquad \sf  \dashrightarrow \:  \cfrac{4y + 12 + 5y - 30}{ {y}^{2}  +  3y - 6y - 18 }  =  \cfrac{7y - 4}{ {y}^{2}  - 3y - 18}

\qquad \sf  \dashrightarrow \:  \cfrac{9y  - 18}{ {y}^{2}   - 3y - 18 }  =  \cfrac{7y - 4}{ {y}^{2}  - 3y - 18}

\qquad \sf  \dashrightarrow \: 9y - 18 = 7y - 4

[ denominator is same, so numerator must have same value to be equal ]

\qquad \sf  \dashrightarrow \: 9y - 7y =   - 4 + 18

\qquad \sf  \dashrightarrow \: 2y = 14

\qquad \sf  \dashrightarrow \: y = 7

4 0
2 years ago
Help please in picture below
Flauer [41]

Answer:

vertex is a point where two sides meet

5 0
2 years ago
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