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Basile [38]
3 years ago
5

Rebecca's dog runs with an initial speed of 1.5m/s on a waxed floor. It slides to a stop within an acceleration of -.25 m/s/s. H

ow long does it take the dog to stop
Mathematics
1 answer:
yanalaym [24]3 years ago
8 0
The correct  answer would be : 1.75
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Roy has a total of 10 quarters and dimes. The value of the coins is $2.05. He has more quarters then dimes. How many of each coi
Bond [772]

Answer:

Step-by-step explanation:

9 quarters and 8 dimes

9Q= 2.25

8D= 0.80

If you add then together you would get 2.05

5 0
3 years ago
Help me find the domain of this.
Simora [160]

Answer:

Step-by-step explanation:

The key to solving this problem lies in understanding that the domain of the square root function includes ONLY zero or positive numbers.  

In this case, we set 4x - 3 ≥ 0.

Solving for 4x:  4x ≥ 3.  Therefore, x ≥ 3/4.

The domain of the given function is [3/4, ∞ ).

4 0
3 years ago
If anyone could help also step by step please with work
Rasek [7]

9514 1404 393

Answer:

  m = 1/3

Step-by-step explanation:

<u>Step 1</u>. Pick a line of the table to use as (x1, y1).

<u>Step 2</u>. Pick a different line of the table to use as (x2, y2).

<u>Step 3</u>. Use the slope formula:

  m = (y2 -y1)/(x2 -x1)

<u>Step 4</u>. Simplify the result.

__

Here are these steps for this problem.

1, 2. use (x1, y1) = (-9, -5) and (x2, y2) = (-3, -3)

3. m = (-3 -(-5))/(-3 -(-9)) = 2/6

4. m = 1/3

6 0
3 years ago
6. a) Calculate the areas of the three squares. b) Is the triangle a right triangle? Explain. 3 cm 4 cm 2 cm
viktelen [127]

Answer

The total area of the squares = 29 square cm

The triangle is not a right-angled triangle

Step-by-step explanation:

We are given three squares

The first square has a length of 4cm

The second square has a length of 3cm

The third square has a length of 2cm

Part A

Total area = Area of square 1 + Area of square 2 + Area of square 3

Area of a square = l^2

Where l is the length of the square

Area of a square 1 = 4^2

Area of a square = 16 square cm

Area of square 2 = 3^2

Area of square 2 = 9 square cm

Area of square 3 = 2^2

Area of square 3 = 4 square cm

Total area of the square = 16 + 9 + 4

The total area of the square = 29 square cm

Hence, the total square of the figure is 29 square cm

Part B

\begin{gathered} \text{ To proof if the triangle is a right angled triangle} \\ \text{ We n}eed\text{ to appy Pythagora's theor}em \\ \text{Hypotenus}^2=perpendicular^2+base^2 \\ \text{Hypotenus = 4}cm \\ \text{Perpendicular =3cm} \\ \text{Base = 2cm} \\ 4^2=3^2+2^2 \\ 16\text{ = 9 + 4} \\ 16\text{ }\ne\text{ 13} \\ \text{ Since the hypotenus is not equal to the summation of the perpendicular and base} \\ \text{Hence, the triangle is a not right angled triangle} \end{gathered}

6 0
1 year ago
Maya's test score average decreased by 18 points this semester.
ololo11 [35]

Answer:  -18

Step-by-step explanation:

It is decreasing so the now will become negative since it is same as losing some points.

8 0
3 years ago
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