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2 years ago

What is the answer?

Mathematics

1 answer:

krek1111 [17]2 years ago

5 0

Answer:

the answer should be always, which would be b

Step-by-step explanation:

if you have a reciprocal 3/2 then the fraction would be 2/3 which is proper. you just flip the numbers.

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After Halloween, a variety store had some costumes regularly priced at $20.50 on sale for 20% off the regular price. A few weeks

Diano4ka-milaya [45]

20.50 * 0.8 = $16.40

16.40 * 0.4 = $6.56

Final selling price = $6.56

6 0

3 years ago

Let a Δ b = (a+b)2+5. what is 1 Δ - 4?

Arturiano [62]

It looks like ∆ is defined as

a ∆ b = (a + b)² + 5

If that's the case, then

1 ∆ (-4) = (1 + (-4))² + 5 = (-3)² + 5 = 9 + 5 = 14

5 0

2 years ago

Which of these are factors of 121?

exis [7]

11 Bc 11 times 11 = 121

4 0

3 years ago

Read 2 more answers

4x + 3y = 6 3x + 5y = -1 Solve the simultaneous equations. y= z=

Kisachek [45]

Answer:

x=3, y= -2

Step-by-step explanation:

Multiplying :

(4x+3y =6)*-3

(3x+5y =-1)*4

-12x -9y= -18

12x+20y= -4

Add the equations

20y-9y = -4-18

11y = -22

y= -22/11 = -2

3x +5* -2= -1

3x -10 = -1

3x = 10-1

x= 9/3 =3

4 0

2 years ago

Through: (-5, -5), slope=2/5

kakasveta [241]

For this case we have that by definition, the equation of a line in the slope-intersection form is:

$y = mx + b$

Where:

m: It is the slope

b: It is the cut point with the y axis

The slope is: $m = \frac {2} {5}$

Thus, the equation is of the form:

$y = \frac {2} {5} x + b$

We substitute the given point and find "b":

$-5 = \frac {2} {5} (- 5) + b\\-5 = -2 + b\\-5 + 2 = b\\b = -3$

Finally, the equation is:

$y = \frac {2} {5} x-3$

Answer:

$y = \frac {2} {5} x-3$

4 0

2 years ago

What is the answer?​

What is the answer?