3 years ago

Please welp me!!(':

Mathematics

2 answers:

Kay [80]3 years ago

7 0

Answer:

<(￣︶￣)>

hope helpful <3

Kitty [74]3 years ago

5 0

$\begin{gathered}\\ \sf\longmapsto 4×4=16\end{gathered}$

$\begin{gathered}\\ \sf\longmapsto 8+8=16\end{gathered}$

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1)If (x-2) is a factor of x2+ 3ax -2a, then find the value of a

liraira [26]

Answer:

x - 2 => x = 2

x² + 3ax - 2a

=> 2² + 3 × a × 2 - 2 × a

=> 4 + 6a - 2a

=> 4 + 4a

=> 4 ( 1 + a )

★ 1 + a = 0

a = -1

5 0

3 years ago

What do you add to 2 1/8 to make 4

barxatty [35]

Step-by-step explanation:

Let us add x to $2\frac{1}{8}$ to make 4.

$\therefore \: x + 2 \frac{1}{8} = 4 \\ \\ \therefore \: x + \frac{2 \times 8 + 1}{8} = 4 \\ \\ \therefore \: x + \frac{16 + 1}{8} = 4 \\ \\ \therefore \: x + \frac{17}{8} = 4 \\ \\ \therefore \: x = 4 - \frac{17}{8} \\ \\ \therefore \: x = \frac{4 \times 8 - 17}{8} \\ \\ \therefore \: x = \frac{32- 17}{8} \\ \\ \therefore \: x = \frac{15}{8} \\ \\ \therefore \: x =1 \frac{7}{8} \\ \\ \therefore \:1 \frac{7}{8} \: should \: be \: added \: in \: 2 \frac{1}{8} \: to \: \\ \: \: \: \: \: make \: it \: \: 4.$