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Natali5045456 [20]
3 years ago
13

B) State a valid formula for multiplying out (A + B)(A − B)

Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
8 0

(A+B)(A-B) = A^2-B^2.

It's equality constant

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Masja [62]

Answer:

Que curso es

Sten

3 0
3 years ago
If a staff of 9 people had to clean a hotel with 198 rooms, how many would each person have to clean if they devided the rooms e
dedylja [7]
You would divide 198 by 9.
198÷9=22
Each person would clean 22 rooms.
5 0
3 years ago
What number represents the smallest value? .3 or .33
den301095 [7]

Answer:

.3

Step-by-step explanation:

.33 is .03 greater than .3

4 0
1 year ago
What is the slope of a line perpendicular to the line whose equation is
mezya [45]

Answer:

The slope of the other line is -4/5

Step-by-step explanation:

In this question, we are asked to calculate the slope of a line which is perpendicular to the line ;

10x - 8y = -80

The first thing to do here is to write the equation in the standard form for a linear equation.

The standard form is y = mx + c where m refers to the slope and c refers to the y-intercept

Rewriting the equation we have;

8y-80 = 10x

8y = 10x + 80

Now divide the through by 8

We have;

y = 10x/8 + 10

Thus, comparing with y = mx + c , our m here is 10/8

Now for the two lines to be perpendicular, the product of their slope would be equals to -1

Let’s say the slopes are m1 and m2

mathematically m1m2 = -1

since m1 = 10/8

10m2/8 = -1

m2 = -8/10

m2 = -4/5

7 0
2 years ago
The function d = 8f + 24 represents the monthly cost d (in dollars) of a group of f members joining the fitness club. a. Identif
oee [108]

Answer:

D represents the dependent variable: the monthly cost in dollars is your independent variable

F represents the independent variable: the number of members joining the fitness club

Step-by-step explanation:

The amount of money depends on how many members come and join the fitness club because more money is spent more with more members

7 0
3 years ago
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