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kati45 [8]
3 years ago
14

Each music class sings 8 songs a week.How many does each class sing in 5 weeks? 6 weeks? 7 weeks?

Mathematics
1 answer:
Scilla [17]3 years ago
7 0

In 5 weeks they sing 280, in 7 weeks they sing 392, and in 6 weeks they sing 336. For this problem you have to figure out how days are in a week n multiply that by the number of songs they give you n then you have to multiply that by how many weeks they give you n then u keep repeating these steps until you ate done with all of your problems n you get your answer

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What is the solution to 3 times the square root of 4 minus 2 times the square root of 4? A. 0 B. 1 C. 2 D. 3
olasank [31]

For this case we have the expression:

"the square root of 4" is represented algebraically as:

\sqrt {4}

Then, we can express the given statement as:

3 \sqrt {4} -2 \sqrt {4} =

They are similar terms, we can subtract:

3 \sqrt {4} -2 \sqrt {4} = \sqrt {4} = \sqrt {2 ^ 2}

By definition of power properties we have that:

\sqrt [n] {a ^ n} = a ^ {\frac {n} {n}} = a

Then the expression is reduced to:

\sqrt {2 ^ 2} = 2

Answer:

3 \sqrt {4} -2 \sqrt {4} = 2

8 0
3 years ago
Write the number in the form a + bi. <br> √(-4)+10
VMariaS [17]

Answer:

10  +  2i

Step-by-step explanation:

√−4 + 10

Simplify each term.

Rewrite

√−1(4) + 10

√−1 ⋅ √4 + 10

Rewrite  √−1  as  i

i  ⋅ √4 + 10

i  ⋅ √2^2 + 10

Pull terms out from under the radical, assuming positive real numbers.

i  ⋅ 2 + 10

2i  +  10

or

10+2i

4 0
3 years ago
What is the correct name for the angle shown
Vesna [10]

Answer:

i dont see no angle

Step-by-step explanation:

4 0
3 years ago
Rosalyn and Naomi left their homes, which are
frez [133]

Answer:

60 mph

Step-by-step explanation:

(R-10)*3 + R*3 = 330

R=60

7 0
2 years ago
Find the value of xx, yy, and zz in the parallelogram below.
Mnenie [13.5K]

Answer: x = 36, y = 10, and z = -25

Step-by-step explanation:

99 and -3z +6 are same side interior angles, so they sum to 180 degrees.

99 -3z + 6 = 180

-3z = 75

z = -25

Opposite angles of a parallelogram are congruent

2x + 9 = -3x + 6

2x + 9 = 75 + 6

2x = 81 - 9

2x = 72

x = 36

9y + 9 = 99

9y = 90

y = 10

4 0
3 years ago
Read 2 more answers
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