READING Etu has read 12 of the 32 chapters in his assigned book. He
plans to finish the book by reading c chapters each for 8 days until the
book is due. Which equation best represents the situation?
A. 12 - 8c = 32
B. 12 + g = 32
C. 12 + 8C = 32
D. 12 - Q = 32

Answer:

55

Step-by-step explanation:

We replace 3 for n:

3 + 52 = 55

Hey there! I'm happy to help!

An exponent of two means you square the number. So, we have -9×-9. Two negatives makes a positive, so our answer is 81.

Have a wonderful day! :D

Answer: =

6x^2−5x−6

Step-by-step explanation:  Multiply each term in one expression times each term in the other, then simplify by combining like terms.  

Here are the like terms :  =(3x+2)(2x−3)=3x(2x+3x(−3)+2(2x)+2(−3)

                                               = 6x^2−9x+4x−6

                                                     =6x2−5x−6

Answer:

A. it is true for both equations

Step-by-step explanation:

x = 4 and y = 1

sub these values into the equations

4 + 1 = 5

4 - 1 = 3

Answer:

20% decrease

Step-by-step explanation:

New value =

465 - Percentage decrease =

465 - (20% × 465) =

465 - 20% × 465 =

(1 - 20%) × 465 =

(100% - 20%) × 465 =

80% × 465 =

80 ÷ 100 × 465 =

80 × 465 ÷ 100 =

37,200 ÷ 100 =

372

Hope this helps!

Answer:

20

Step-by-step explanation:

he or she is correct

Answer:

b or c

Step-by-step explanation:

2×-1 +1= -1

-1>-3

2×0+1= 1

1>-3

For this reason the equality can be b or c

Answer:

here the answer b^2=c^2-a^2

Step-by-step explanation:

a^2+b^2=c^2

let a^2 comes to the other side

b^2=c^2-a^2

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Answer:

5 by 3

Explanation:

15 = 5 x 3

16 = 5 + 5 + 3 + 3

The dimensions of the board is either 5 by 3 square inches or 3 by 5 square inches.

The rectangle is 4 sided geometric shape whose opposites are equal in lengths and all angles are about 90°.

here,
let the length of the board be x, and width be w,
The perimeter of the rectangle board  = 16
2 (l + w) = 16
l + w = 8
l = 8 - w

Now,
area of the board = 15
l × w = 15
(8 - w)w = 15
8w - w² = 15
w² -8w + 15 =0
(w - 3)(w -5) = 0
So,
w = 3 or 5
Now,
Lengths = 8 - 3 or 8 - 5
              =  5 or 3

Thus, the dimension of the board either 5 by 3 square inches or 3 by 5 square inches.

Learn more about rectangles here:

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Answer:

a = -21

Step-by-step explanation:

-3a +2a -8 = 13

- a-8 = 13

-a -8 -13 = 0 ( the sign changes from +13 to -13 )

-8 -13 = a ( the sign of a changes from -a to + a ) -21 = a

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Answer:

Hey there!

Ratios are often converted to a number with a denominator of 100. When a ratio has a denominator of 100, it can be easily converted to a fraction or decimal.

Let me know if this helps :)

Answer:

y = -2x + 22

Step-by-step explanation:

You fill an aquarium with water, the water is 22 inches deep. The water evaporates at 2 inches per week. Write an equation that approximates the depth y of water in the aquarium x weeks after you fill it.

Answer: The problem above represents that of a linear function. The equation of a linear function is given by:

y = mx + b, where y is the dependent variable, x is the independent variable, m is the rate of change and b is the initial value of y when x = 0.

From the problem, the independent variable is the number of weeks and the dependent variable is the depth of water, hence y = depth of water and x = weeks after you fill it.

The rate = 2 inches per week, since it evaporates (decreases), hence m = rate of change = -2. Also, at 0 weeks (x = 0), the depth (y) = 22 inches, therefore b = 22. Using the equation for linear function, we get:

y = -2x + 22

Answer:

the Square root of 25 = 5

Step-by-step explanation:

It's greater than -5 and greater than 3 by two.

Hopefully this helps.

Answer:

1. >

2.<

3. =

4. >

5.>

6. =

7. >

8. <

9. =

10. <

11. <

12. =

13. 3/5, 2/3, 0.65

14. 7/8, 8/9, 0.98

15. 1/12, 0.2, 1/4

Step-by-step explanation:

Answer:

X = 11

Complementary angles

Step-by-step explanation:

Complementary angles are when two angles add up to 90 degrees.

3x + 10 + 47 = 90

3x + 10 = 43

3x = 33

x = 11

Answer:

3p+4=25

Step-by-step explanation:

3p+4=25

Answer:

Step-by-step explanation:

Isolate the variable

3p + 4 - 4 = 25 - 4

Simplify

3p = 21

Solve for p

3p/3 = 21/3

p=7

Answer:

1,024

Step-by-step explanation:

In this number sequence or pattern we can see that the numbers are being multiplied by themselves. In this example 2 multiplied by itself is 4 and 4 multiplied by itself is 16 and so on. Hope this helps, have a great day!

Answer:

16 weeks

Step-by-step explanation:

$80 + $8 a week [tex]\geq[/tex] $205.75

80 + 8x  [tex]\geq[/tex]  205.75

8x [tex]\geq[/tex] 125.75

x [tex]\geq[/tex] 15.71875

16 weeks

Answer:

(BuF) = -2,-1,1,2,4,5,6,7

(BnF)= 6

Answer:

A money market account

Step-by-step explanation:

Most money market accounts can be opened for between $500 and $2,500 initially, and many will require the same amount for a minimum balance or you will pay penalties or maintenance fees. 5. Contact Banks that Meet Your Requirements.

Answer:

162

Step-by-step explanation:

because

Answer:

The answer is 50 squared.

Explanation:

This number is the only irrational number given.

Answer:

the answer is 9y

Answer:

-1

Step-by-step explanation:

when adding a negative and a positive you can turn it to subtraction if it makes it easier for you.

-3+2=2-3

2-3=-1

-3+2=-1

make sense?

Answer:

-25

Step-by-step explanation: When you multiply to negatives together you get a positive thus being shown in the problem -5 times -1 =5 then you multiply 6 times -5 and whenever you multiply a positive number by a negative you'll always get a negative number so 6 times -5 =-30 then you add 5 and -30 and you get -25. I hope this is right :D