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Mashutka [201]
3 years ago
9

$31.40 and $5 in slope intercept form

Mathematics
1 answer:
Korolek [52]3 years ago
7 0

Answer:

y=31.40x+5

Step-by-step explanation:

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Factor:<br><br><br>(m+2)^2−(m+2)+mn·(n+2)+2n(n+2)
bazaltina [42]
ANSWER
{(m + 2)}( {n}^{2} + 2n + m + 1)

EXPLANATION

The given expression is

{(m + 2)}^{2} - (m + 2) + mn(n + 2) + 2n(n + 2)

We factor to get,

= {(m + 2)}(m + 2 - 1) +n (n + 2) (m+ 2)

This implies that,

= {(m + 2)}(m + 1) +n (n + 2) (m+ 2)

We factor further to obtain,

= {(m + 2)}((m + 1) +n (n + 2))

or

= {(m + 2)}( {n}^{2} + 2n + m + 1)
5 0
3 years ago
Two sides of a right triangle have the lengths 4 and 5. What is the product of the possible lengths of the third side? Express t
marishachu [46]

Answer:

19.2

Step-by-step explanation:

<u>1st Case:</u>

4 and 5 are legs of the right triangle.

Using the pythagorean therom: a^2+b^2=c^2

We can say that 4^2+5^2=x^2

16+25=x^2

41=x^2

x=√41

√41 is about 6.4

x=6.4

<u>2nd Case</u>

5 is the hypotenuse of the right triangle and 4 is the legs.

Using the pythagorean therom: a^2+b^2=c^2

We can say that 4^2+x^2=5^2

16+x^2=25

x^2=9

x=3

<u>Final Step</u>

We need to multiply the two possible lengths for x. So for case 1 the length of x was 6.4 and for case two the length was 3. 6.4*3=19.2

Anwser: <u>19.2</u>

6 0
3 years ago
the length of a pool 2 km long is represented on a map with a length of 20cm. what is the map scale used?​
goldenfox [79]

Answer:

The scale used is 1: 10,000 cm.

Step-by-step explanation:

Given that the length of a pool 2 km long is represented on a map with a length of 20cm, to determine what is the map scale used the following calculation must be performed:

2 km = 2,000 m

1m = 100cm

2,000 x 100 = 200,000

20: 200,000

10: 100,000

1: 10,000

Thus, the scale used is 1: 10,000 cm.

4 0
3 years ago
Read 2 more answers
What is the value of 7 in the number 53.75? Give your answer as a fraction
vodomira [7]
53.75.....the 7 is in the tenths place....its value is 7/10
4 0
3 years ago
Read 2 more answers
My dinner was $200 but I got 15% off because I had a coupon. We left a 20% tip. How much did dinner cost me?
Fed [463]

Answer:

It cost $204 (with the tip)

Step-by-step explanation:

You got $30 off, leaving you with $170 to pay.

15% into 0.15

200x0.15= 30

200-30= 170

The tip was $34.

20% into 0.20

170x0.20=34

In total, with the tip it cost you $204

3 0
3 years ago
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