Find the difference:
1
0.4 3 0 8

Answer:

d. He can buy 10 CDs

Step-by-step explanation:

The reason he can only buy 10 is because if the CDs are $9.00 each then you would multiply:

                     10 x 9 = $90.00

If you add the $30.00 of books:

                     $90.00 + $30.00 = $120.00

This means he does not have enough money to buy another CD. He has $5.00 left over.

I'll do the first 6 rows to get you started.

===========================================

In row 1, we have the number [tex]2^3[/tex] which is the same as writing 2^3

The base is 2 and the exponent is 3. Think of "base" as in "basement" to remember that the base is under the exponent. The exponent tells us how many copies of the base to multiply out. In this case, we have three copies of the base "2" multiplied to get 2*2*2 = 8

============================================

In row 2, we have the number 3^2. The base is 3 and the exponent is 2.

We can say 3^2 = 3*3 = 9. We have two copies of the base multiplied. Think of a 3 inch by 3 inch square that has area of 9 square inches.

============================================

Row 3:

The number 5^4 means 5^4 = 5*5*5*5 = (5*5)*(5*5) = 25*25 = 625

The base is 5 and the exponent 4 tells us how many copies of the base to multiply.

============================================

Row 4:

We aren't given the number like in the earlier rows. But we can see that the base is 6 and the exponent is 2. So the number to fill in that first blank is 6^2

The expanded notation would be 6*6 because the exponent tells us how many copies of the base to multiply out.

The standard notation is 36 because 6*6 = 36.

============================================

Row 5:

This time we don't have an exponent, but we have the base and we have the expanded notation.

The expanded notation of 8*8*8 means the base is 8 and the exponent is 3

So 8^3 = 8*8*8 = 512

We'll have 8^3 to fill in the first blank of row five, 3 fill in the next blank, and finally 512 fill in the last blank.

============================================

Row 6:

We have six copies of '9' multiplied together

This tells us we have the number 9^6. The base is 9 and the exponent is 6

Use your calculator to determine that 9^6 = 9*9*9*9*9*9 = 531441

============================================

I'll let you do the rest of the remaining rows.

Answer:

x = 15/2 or 7.5

Step-by-step explanation:

-4 (x - 1) + 6x = 2(17 - x)

First, distribute the -4 and 2, and remember that multiplying two negatives make a positive.

-4x + 4 + 6x = 34 - 2x

Combine like terms

2x + 4 = 34 - 2x

Subtract 4 from both sides

2x = 30 - 2x

Add 2x to both sides

4x = 30

Finally, divide both sides by 4

x = 15/2 or 7.5

9514 1404 393

Answer:

  1e. 2t² +8t -6

  2h. a² +2ab -3b²

  3b. 8r +4

  4b. 6x +4y -11

  5b. e -3

Step-by-step explanation:

1e. Combine like terms.

  (3t² +3t -6) +(-t² +5t) = t²(3 -1) +t(3 +5) -6

  = 2t² +8t -6

__

2h. (2a² +3ab -4b²) -(a² +ab -b²)

Use the distributive property to eliminate parentheses. Note that all signs change in the second set of parentheses.

  = 2a² +3ab -4b² -a² -ab +b² = a²(2 -1) +ab(3 -1) +b²(-4+1)

  = a² +2ab -3b²

__

3b. The hash marks indicate sides of the same length. The perimeter is the sum of all side lengths.

  P = (4r -2) +2(2r +3)

  P = 4r -2 +4r +6 . . . . . . eliminate parentheses

  P = 8r +4 . . . . . . . . . . . . combine like terms

__

4b. (3x +4y) +(5x -8) -(2x +3)

Note that the distributive property changes the sign of all terms in the last parentheses.

  = 3x +4y +5x -8 -2x -3 . . . . eliminate parentheses

  = x(3+5-2) +y(4) +(-8-3) . . . group like terms

  = 6x +4y -11

__

5b.

  Bill's age - Erin's age = (2e-3) -(e) = e -3

The difference in their ages is (e -3).

Answer:

9/19

Step-by-step explanation:

if 20 students are boys, then the remaining students are girls. 38-20 = 18

There are 18 girl students.

18/38 can be simplified to 9/19

Answer:

9/20

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

Since its a 5, you round up. if it is 5 or above, you round the number upwards, when 4 or below, is downwards.

Answer:

C.8.5

Step-by-step explanation:

Answer:

A. 16 times of 1/2 inch of rain

Step-by-step explanation:

24 hours = 1440 minutes

90 minutes = 1/2 inch of rain

1440 divided by 90 = 16

16 times of 1/2 inch of rain

Answer:

Step-by-step explanation:

Multiplying powers with same base

Answer:

y= 3x-2

Step-by-step explanation:

standard form

y= mx + c

 c represents y intercept

m represents slope or gradient

y= 3x-2

The slope is 3 and the y intercept in -2

Answer:

This recipe makes 18 shortbread fingers.

Rose follows this recipe, but only wants to make 6 fingers.

How much of each ingredient does she need?

Recipe: Makes 18

120 g butter

60 g sugar

180 g flour

Answer:

40g of butter

20g of sugar

60g of flour

Step-by-step explanation:

Hope this helps!;)

Answer:

GGGGGGGGGGGGGGGGGGGGG

Step-by-step explanation:

The formula for simple interest is expressed as

I = PRT/100

Where

P represents the principal or initial amount of money invested.

R represents interest rate

T represents time

Considering the investment on account A,

I = $6.94

R = 3.7%

T = 9 months = 9/12 = 0.75 years

6.94 = (P × 3.7 × 0.75)/100 = 0.02775P

P = 6.94/0.02775 = $250

Considering the investment on account B,

I = $13.80

R = 2.3%

T = 18 months = 18/12 = 1.5 years

13.8 = (P × 2.3 × 1.5)/100 = 0.0345P

P = 13.8/0.0345 = $400

To determine the account that earned more interest in the first month,

250/9 = $27.8

400/18 = $22.2

Account A earned you the most interest the first​ month because $27.8 is higher than $22.2

Answer:

4: “End Behavior”

Step-by-step explanation:

The end behavior of a function “f ” describes the behavior of the graph of the function at the “ends” if the x-axis.

In other words, the end behavior of a function describes the trend of the graph if we look to the right end of the x-axis (as x approaches +∞) and to the left end of the x-axis (as x approaches -∞).

Answer:

−r+6w−96

Step-by-step explanation:

Answer

-r+6w-96

Step-by-step explanation:

Answer:

4 gallons per gift basket

Step-by-step explanation:

20 x 4 = 80

Answer:

5:2

Step-by-step explanation:

10:4/2

5:2

Answer:

5.2

Step-by-step explanation:

divide 10:4 by 2 and you will get 5:2

Answer

The true least number of visits is the lowest whole number above 11.176470..., which is 12.

Step-by-step explanation:

points per visit, # of visits + sign-up points ≥ free tickets points

8.5 (points per visit)  

70 (# of visits)

165 (free ticket points)

8.5v ≥ 70 + 165

70 + 8.5v ≥ 165

8.5v ≥ 165 -70

8.5v/8.5v ≥ 95/8.5

v ≥ 11.1764705882

The true least number of visits is the lowest whole number above 11.176470..., which is 12.

Answer:

A

tyler has a points card for a movie theater.

he receives 75 rewards points just for signing up.

• he earns 10.5 points for each visit to the movie theater.

he needs 180 points for a free movie ticket.

.

a

how many visits must tyler make to earn a free movie ticket?

Step-by-step explanation:

Answer:

Step-by-step explanation:

Given sides of a triangle:

Triangle inequality theorem:

Apply to the given triangle:

Combine all the inequalities:

Answer:

[tex] \huge \boxed{ \boxed{ \mathbb C}}[/tex]

Step-by-step explanation:

[tex]\text{according to the given shapes the answer is C}[/tex]

Answer:

Option C

Step-by-step explanation:

Because the whole angle mentioned is 90°

They are complementary

Also they has one common bisector so they are adjacent

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

800×9

7200 pineapples

Answer:

C.

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

Cross product.

3xy= 3y

4x6= 24

3y/3

24/3= 8

Answer:

not rlly

Step-by-step explanation:

you need more information to solve that type of equation

Answer: NO

Step-by-step explanation:

Given

y=x²-7x

Substitute the [solution] into the equation

y=x²-7x

2=(4)²-7(4)

2=16-28

2=-12

2≠-12

Therefore, (4, 2) is not a solution

Hope this helps!! :)

Please let me know if you have any questions

Step-by-step explanation:

f(g(x))

= f(4x)

= (4x) - 3. (A)

Step-by-step explanation:

option A is the correct answer according to my opinion .

plz mark my answer as brainlist if you find it useful.

Answer:

6 additional toppings

Step-by-step explanation:

14+1.75= 15.75

15.75+1.75=17.5

17.5+1.75=19.25

19.25+1.75=21

21+1.75=22.75

22.75+1.75=24.5

Answer:

Step-by-step explanation:

Like terms have same variables with same exponents

3x² + 12x + 11 +14x² + 8x + 5

= 3x² + 14x² +    12x + 8x   + 11 + 5

= 17x² + 20x + 16