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Naily [24]
3 years ago
8

A ladder is leaning against the house. The base of the ladder is 9 feet from the base of the house. The ladder is 20 feet long.

How high does the ladder reach on the house
Mathematics
2 answers:
Gre4nikov [31]3 years ago
8 0
The answer is 17.86057
zvonat [6]3 years ago
4 0

Answer:

17.86057

Step-by-step explanation:

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Only the smartest person in their math class can help me with this difficult problem!!!
vodomira [7]

Step-by-step explanation:

\tt{(5 {x}^{3}  - 3x + 6) - (2 {x}^{2}  - 4x + 8)}

While subtracting , the sign of each term of second expression changes & remove the parentheses.

⟶ \tt{5 {x}^{3}  - 3x + 6 - 2 {x}^{2}  + 4x - 8}

Combine like terms. Like terms are those which have the same base. Only coefficients of like terms can be added or subtracted.

⟶ \tt{5 {x}^{3}  - 3x + 4x + 6 - 8 - 2 {x}}^{2}

⟶ \tt{5 {x}^{3}  + x - 2 - 2 {x}^{2} }

In standard from , the expression should be written in such a way that the power of variables goes from highest to lowest.

\red{ \boxed{ \boxed{ \tt{Our \: final \: answer :  \boxed{ \tt{5 {x}^{3}  - 2 {x}^{2}  + x - 2}}}}}}

Hope I helped ! ♡

Have a wonderful day / night ! ツ

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6 0
2 years ago
Read 2 more answers
A section in a stained glass window is shaped like a trapezoid. The top base is 1 centimeter and the bottom base is 3.5 centimet
LUCKY_DIMON [66]
I don't know if it's right but this is what I did. the rounding might be a little different.


(1 + 3.5)  \div 2 \times x = 8.1
4.5   \div 2 = 2.3
2.3x = 8.1
8.1 \div 2.3 = 3.5
x=3.5 cm.
5 0
3 years ago
"759,993 rounded to the nearest hundread
Greeley [361]

Answer:

760,000

Step-by-step explanation:

759,993

we round 993 up to 1,000

6 0
3 years ago
Can anyone solve this algebra 2 problem? <br> 15^2x-3 = 245<br> Please show work.
DochEvi [55]
15^2x is 225x.  So, we have 225x-3=245.  Adding three to both sides, we get 225x=248.  Dividing by 225, we have x=248/225.
7 0
3 years ago
Nicole wants to rent a boat and spend less than $33. The boat costs $6 per hour , and Nicole has a discount coupon for $9 off. W
eimsori [14]

Answer: Nicole can spend up to 7 hours in the boat.

Step-by-step explanation:

Based on the information given in the question, the possible number of hours that can be used will be calculated as thus:

(6 × t) - 9 ≤ 33

6t - 9 ≤ 33

Collect like terms

6t ≤ 33 + 9

6t ≤ 42

Divide both side by the coefficient of t

6t/6 ≤ 42/6

t ≤ 7

Nicole can spend up to 7 hours in the boat.

4 0
2 years ago
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