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Orlov [11]
2 years ago
10

it takes josh 40 minutes yo walk the dog it takes mike 80% as long to walk the dog how long does it take mike to walk dog

Mathematics
2 answers:
Katarina [22]2 years ago
7 0

Answer:

32 minutes

Step-by-step explanation:

80% = .80

40 * .80 = 32

sineoko [7]2 years ago
3 0
32 minutes is the answer to this question
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Solve the following equation for 0° ≤ θ < 360°. Use the "^" key on the keyboard to indicate an exponent. For example, sin2x w
Margarita [4]

Answer: 2sin^2x+sin2x+cos2x=0 ..... (1).

By using the trigonometric identities below :

sin2x=2sinxcosx

cos2x=cos^2x-sin^2x

We substitute the trigonometric identities into (1).

2sin^2x+2sinxcosx+cos^2x-sin^2x=0

By combining like terms .

sin^2x+2sinxcosx+cos^2x=0.....(2)

The equation (2) is equivalent to the following expression (3).

(sinx+cosx)(sinx+cosx)=0 .....(3).

sinx+cosx=0

cosx=-sinx

divide both sides by cosx

1=-sinx/cosx

-1=sinx/cosx

sinx/cosx=tanx

substitute

-1=tanx

tanx=-1

tangent is negative in 2nd and 4th quadrants

tan135º=-1 (one answer)

tan315º=-1 (second answer)

Step-by-step explanation:

Please refer to the trigonometric identities used and explained above .

5 0
3 years ago
How do I write 1,234,678 in word form
ANTONII [103]

Answer:

one million two hundred thirty four thousand six hundred seventy eight

8 0
3 years ago
The wolf population of a park was 200 in the year 200. it increased by 20% from 200 to 2005. it then increased by 15% from 2005
leonid [27]
B
 is the anser to this
7 0
3 years ago
Read 2 more answers
297-325 over 297<br> how can i turn that fraction into a percentage?
Rainbow [258]

Answer:

Step-by-step explanation:

by moving the decimal 2 times to the right

5 0
3 years ago
Find the sum that amounts to Rs 9,144 in 3 years at 9% per year simple interest.​
Hunter-Best [27]

Given:

Amount = Rs. 9,144

Time = 3 years.

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To find:

The principal value.

Solution:

The formula for simple interest is:

I=\dfrac{P\times r\times t}{100}

Where, P is principal, r is the simple rate of interest, and t is the number of years.

Putting r=9,t=3 in the above formula, we get

I=\dfrac{P\times 9\times 3}{100}

I=\dfrac{27P}{100}

I=0.27P

We know that,

\text{Amount}=\text{Principal + Interest}

9144=P+0.27P

9144=1.27P

Divide both sides by 1.27, we get

\dfrac{9144}{1.27}=P

7200=P

Therefore, the principal value is Rs. 7200.

8 0
3 years ago
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