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Alex73 [517]
3 years ago
5

Pleaseeee helppppppppppp

Mathematics
1 answer:
lutik1710 [3]3 years ago
3 0
The answer would be C.
You might be interested in
1. What is the circumference of the given circle in terms of pi? radius= 14 in.
rusak2 [61]

Answer:

1. B     2. B

Step-by-step explanation:

1. The formula for circumference is C= pi times diameter

Radius is half of diameter, so you'd multiply 14 times 2 which gives you 28. Since it's asking for it in pi, it'll be 28 pi.

2. I think instead of circumference, it's asking for area because if it was asking for circumference the answer would have been 6.6 pi, but that answer isn't there. So if it's asking for area, the formula is A= pi(r²) They gave the diameter instead. Remember, the radius is half of the diameter, so in order to get the radius, you'd divide 6.6 by 2 and get 3.3. Then, multiply 3.3 with the number itself, and you'll get 10.89.

Hope this helps!

5 0
3 years ago
3 Terrence uses pieces of wood that are 10 inches long to
Alchen [17]

Answer:

146 whistles

Step-by-step explanation:

First, convert 122 feet to inches, by multiplying it by 12

122(12)

= 1464

Divide this by 10 to find how many whistles he can make

1464/10

= 146.4

Since we can only have a whole number of whistles, we have to round down to 146.

So, he can make 146 whistles

3 0
3 years ago
Need help with these 4 questions please! (question b)
Ainat [17]
The answer to this question is
1. d
2.c
3.a
4.b
4 0
3 years ago
Asha found that a vertical line intersects the graph of x = StartAbsoluteValue y EndAbsoluteValue at two points. What can Asha c
Colt1911 [192]

Answer:

c

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
PLEASE HELP I'm having trouble ​
Anastasy [175]

Answer:

c_{11}=56.1

c_{12}=12.1

c_{13}=236

Step-by-step explanation:

  • The product of two matrices X_{m\times{n}} and  Y_{n\times{r}} equals a matrix M_{m\times{r}}, where the first element of the subscript represents the amount of files of the matrix and the second element represents the amount of columns of the matrix.
  • Then, in this case  A_{1\times{3}}   B_{3\times{3}}, therefore, its product will result a matrix C_{1\times{3}}.
  • Because C matrix is going to have an only file and three columns, we now have to find the values of the elements in each column, based on the elements of A and B.
  • Commonly, to obtain the values of the resulting matrix, we just have to multiply each file of the first matrix by each column of the second matrix and sum, as follows:
  1. c_{11}=77\times1.2+39\times2.2-33\times3.7=56.1
  2. c_{12}=77\times1.4+39\times1.1-33\times4.2=12.1
  3. c_{13}=77\times3.1+39\times5.6-33\times6.7=236
  • Finally, C matrix is \begin{pmatrix}\56.1 & 12.1& 236\end{pmatrix}
4 0
3 years ago
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