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blondinia [14]
2 years ago
10

3(x + 3) + 10

Mathematics
2 answers:
Makovka662 [10]2 years ago
8 0
3(x+3)+10 = 3x+9+10 = 3x+19
So the answer is B.
Sphinxa [80]2 years ago
7 0

Answer:

b-3x+19

Step-by-step explanation:

you have to open the bracket so 3*x=3x

3*3=9

therefore;3x+9+10=3x+19

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a right triangle has a base that measures 39 inches and a height that measures 80 inches what is the length of the hypotense
mafiozo [28]
A right triangle has three sides: the two sides that share a vertex are known as the legs, and the other side is known as the hypotenuse.  The legs are known as a and b, while the hypotenuse is c.
The Pythagorean Theorem states the a^2 + b^2 = c^2.  If we plug the numbers into this equation, we will find the length of the hypotenuse.
39^2 + 80^2 = c^2
1521 + 6400 = c^2
7921 = c^2
We have c squared now, but we want to know how much c is equal to.  The square root of c^2 will be our answer.
89 = c
The length of the hypotenuse of a right triangle with legs that measure 39 and 80 inches is 89 inches.


4 0
2 years ago
PLS HELP ME!!! I really need help with this!!! Pls give me an honest answer my teacher is going to grade this.
liberstina [14]
Total length = 111.6 metres
(12.3x7) + 15 + 10.5 = total length
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2 years ago
It took the carriage 2.5 hours to travel 20 miles. H ow long will it take for the carriage to travel in 12 miles
Tomtit [17]
\bf \begin{array}{ccll}
hours&miles\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
2.5&20\\
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Ayudaaa es urgente por favor :(
rjkz [21]
3 /24 porque es 1/12
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