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3 years ago

Ts

Mathematics

1 answer:

Ilia_Sergeevich [38]3 years ago

7 0

Answer:

C.) ΔXZY ≅ ΔLGM

Step-by-step explanation: I got it right on Edge

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12 is 80% of what number

nydimaria [60]

X - the number

$80\%x=12 \\
\frac{80}{100}x=12 \\
\frac{4}{5}x=12 \\
x=12 \times \frac{5}{4} \\
x=3 \times 5 \\
x=15$

12 is 80% of 15.

3 0

3 years ago

Read 2 more answers

What's a prime number

Andre45 [30]

Answer:

A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.

4 0

3 years ago

WILL GIVE BRAINLIST SOON AS I CAN. please help.

VARVARA [1.3K]

Answer:

201.2

Step-by-step explanation:

area= s^2n

----------- ( 180)

4+9 ---------

( n )

Area equals S squared n over four plus nine times ( 180 over n )

5 0

3 years ago

How can the quotient of powers law be used to show that a negative exponent is equivalent to the reciprocal

Kay [80]

Answer:Thus, (-3)-4 = 1/(-3)4.

Step-by-step explanation:

Negative exponents have the following property: n-m = 1/nm OR 1/n-m = nm

So for (-3)-4 , n= -3 and -m= -4 (or m= 4).

Thus, (-3)-4 = 1/(-3)4.

8 0

2 years ago

What is the slope of the line that is perpendicular to the line that passes through (-2, 7) and (4, 9)? Type a numerical answer

kodGreya [7K]

Answer:

Therefore $m_{2}$ = -3.

Step-by-step explanation:

i) let us say the slope of the line passing through (-2,7) and (4,9) is $m_{1}$ .

ii) to find the slope of the line passing through two points ( $x_{1}$ , $y_{1}$ ) and ( $x_{2}$ , $y_{2}$ ) we use the formula m = $\dfrac{y_{2} - y_{1} }{x_{2} - x_{1} }$ . Therefore we can say that $m_{1}$ = $\dfrac{9 - 7}{4 - (-2)}$ = $\dfrac{1}{3}$ .

iii) let us say the slope of the perpendicular line to the line passing through (-2,7) and (4,9) is $m_{2}$

iv) from the formula for the slopes of a line and the line perpendicular to it which is given by $m_{1}$ × $m_{2}$ = -1, therefore $m_{2}$ = -1 ÷ $m_{1}$ = -3. Therefore $m_{2}$ = -3

6 0

3 years ago