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larisa86 [58]
3 years ago
6

I only need the step by step the answer is correct but I need step by step. Thx if u answer dis.

Mathematics
2 answers:
Rainbow [258]3 years ago
4 0
I toltaly agree with you
Nady [450]3 years ago
4 0

Answer:

Yeah

Step-by-step explanation:

Bc to find the area do 15 + 20 and you'll get 35. Expand it and youll get ur answer. You got it right

You might be interested in
Solve x2 + 10x = 24 by completing the square. Which is the solution set of the equation?
artcher [175]
{-2,12} -D because 12x divided by 24 is -2 and 10x plus 2x is 12
4 0
3 years ago
What type of number is
Anna [14]

Answer:

C

Step-by-step explanation:

It's not rational. It can't be represented as a fraction.

It can't be a decimal the ends. If I told you want the hundredth digit was, you could not establish the 101st digit.

If you try to find the square of 7 using the calculator that comes with winds, you get an answer that goes out to 2 followed by the decimal followed by 31 digits. You cannot find a pattern nor can you find an ending.

sqrt(7) is irrational.

5 0
3 years ago
When mushrooms are dried, they lose 80 percent of their mass. What weight of mushrooms must be picked to get 1 kg of dry mushroo
kaheart [24]

Answer:

We need to start with 5 kg of mushrooms

Step-by-step explanation:

The total of the dried mushrooms = mushrooms *  percentage of weight kept

percentage of weight kept = 1- 80% = 20 %

We want 1 kg of dried mushrooms.   Substitute in what we know

1 kg = mushrooms * 20%

1 kg  = mushrooms * .2

Divide  each side by .2

1 /.2 = mushroom *.2 /.2

5 kg = mushrooms

We need to start with 5 kg of mushrooms

5 0
2 years ago
A store advertises that customers can take 25% off the original price and then take an extra 10% off. Is this the same as a 35%
ivanzaharov [21]
It is not the same since you will note be taking the 10% off the original price which is greater than the discounted price.
Example: An item is priced at $10.00 and if you take 35% off it would then cost 10.00-3.50 = $6.50.
But if you first take 25% off the 10 it would be 10.00-2.50 =7.50 and now 10%off it is 7.50-0.75= $6.75 which is greater than the $6.50 from the initial 35% off.
Therefore the advertisement of 25% then a 10% is acutally less than a 35% off the original price.
3 0
3 years ago
What is the equation of the line that passes through the point
attashe74 [19]

Answer:

(y+2)= -3(x-7)

Step-by-step explanation:

We can use the slope-intercept formula to write this equation. The slope-intercept form of a linear equation is:  

y = m x + b

 Where  m  is the slope and  b  is the y-intercept value.

We can substitute the slope into the formula giving:

y = − 3 x + b

Next, we can substitute the values from the points in the problem for  x  and  y  and solve for  b :

− 2 = ( − 3x 7 ) + b  

− 2 =  − 21 + b

21 − 2 = 21  − 21 + b

 19 = 0 + b

19 = b

We can now substitute the slope from the problem and the value for  b  we calculated into the formula to write the equation.

y = − 3 x + 19

Another process is to use the point-slope formula. The point-slope formula states:

 ( y − y 1 ) = m ( x − x 1 )

 Where  m  is the slope and  ( x 1 , y1 )  is a point the line passes through.

Substituting the slope and values from the points in the problem gives:

(y − − 2 ) = − 3 (x-7)

( y + 2 ) =  − 3 ( x − 7 )

6 0
3 years ago
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