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nikdorinn [45]
2 years ago
12

An ant moves forward 18 1⁄2 inches in one hour. It turns around and crawls

Mathematics
2 answers:
zvonat [6]2 years ago
7 0

Answer:

The ant moved 10.75 in after three hours

Step-by-step explanation:

18.5-13.5=5+5.75=10.75

46/8=5.75

Sati [7]2 years ago
4 0

Answer: 10.75 inches

Step-by-step explanation:

<u>Given information:</u>

First hour = + 18 1/2 (forward)

Second hour = - 13.5 (backward)

Third hour = + 46/8 (forward)

<u />

<u>Given expression deducted from the questions</u>

Total Distance = First hour + Second hour + Third hour

<u>Substitute values into the expression</u>

Total Distance = 18 1/2 + (-13.5) + 46/8

<u>Convert to decimals</u>

Total Distance = 18.5 - 13.5 + 5.75

<u>Simplify by subtraction/addition</u>

Total Distance = 5 + 5.75

Total Distance = \boxed{10.75\:inches\\}

Hope this helps!! :)

Please let me know if you have any questions

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3 years ago
Graph y - 2 = -3/4 (x - 6) using the point and slope given in the equation.
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3 years ago
an isosceles triangle has congruent sides of 20cm. the base is 10cm. find the height of the triangle.​
dolphi86 [110]

Answer:

\large\boxed{A_\triangle=25\sqrt{15}\ cm^2}

Step-by-step explanation:

Look at the picture.

The formula of an area of a triangle:

A_\triangle=\dfrac{bh}{2}

<em>b</em><em> - base</em>

<em>h</em><em> - height</em>

<em />

We need a length of a height.

Use the Pythagorean theorem:

leg^2+leg^2=hypotenuse^2

We have:

leg=5,\ leg=h,\ hypotenuse=20

Substitute:

5^2+h^2=20^2

25+h^2=400             <em>subtract 25 from both sides</em>

h^2=375\to h=\sqrt{375}\\\\h=\sqrt{(25)(15)}\\\\h=\sqrt{25}\cdot\sqrt{15}\\\\h=5\sqrt{15}\ cm

Calculate the area:

A_\triangle=\dfrac{(10)(5\sqrt{15})}{2}=\dfrac{50\sqrt{15}}{2}=25\sqrt{15}\ cm^2

8 0
3 years ago
The pattern 96, 92, 88, 84, ________ follows the "subtract 4" rule. Study the pattern to find traits that are not obvious in the
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Answer:

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2 years ago
bridget recieved 1400 from her grandfather as a birthday gift she decided to put the money in an account to save for college the
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Answer:

The amount received after 5 years is 1827.39

Step-by-step explanation:

The amount received by Bridget from his grandfather as the birthday gift = 1400 .

Since he wants to deposit it and save for college, he earns interest rate = 5.4%

He deposited this money for the years = 5 years.

Here, the Present value (PV) is = 1400

Interest rate ( r ) = 5.4% or 0.054

Since the interest rate is compounded semi annually, So, n = 10

Now if we calculate the future value of 1400 with interest rate 5.4 percent:

\text{The amount received after 5 years} = PV(1 + \frac{r}{2} )^{n} \\

= 1400(1 + \frac{0.054}{2})^{10} \\

= 1827.39

Therefore, 1827.39 will be the total money in his account after five years.

5 0
3 years ago
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