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Fed [463]
3 years ago
12

“Three times the sum of a number and 4”

Mathematics
2 answers:
salantis [7]3 years ago
6 0

Answer:

Step-by-step explanation:

Let the number be x

3(x + 4)

antoniya [11.8K]3 years ago
3 0

Answer:

Step-by-step explanation:

three times the sum of a number and 4...

3(n + 4) would be ur expression

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MZJ and m M are base angles of isosceles trapezoid JKLM. If mZJ = 18x + 8 and m_M=11x + 15 find m2K.
maxonik [38]

The question is incomplete. Here is the complete question.

m∠J and m∠Kare base angles of an isosceles trapezoid JKLM.

If m∠J = 18x + 8, and m∠M = 11x + 15 , find m∠K.

A. 1

B. 154

C. 77

D. 26

Answer: B. m∠K = 154

Step-by-step explanation: <u>Isosceles</u> <u>trapezoid</u> is a parallelogram with two parallel sides, called Base, and two non-parallel sides that have the same measure.

Related to internal angles, angles of the base are equal and opposite angles are supplementary.

In trapezoid JKLM, m∠J and m∠M are base angles, so they are equal:

18x + 8 = 11x + 15

7x = 7

x = 1

Now, m∠K is opposite so, they are supplementary, which means their sum results in 180°:

m∠J = 18(1) + 8

m∠J = 26

m∠K + m∠J = 180

m∠K + 26 = 180

m∠K = 154

The angle m∠K is 154°

7 0
2 years ago
A student wishes to compare the cost of textbooks from two sellers. The same forty textbooks are priced at both seller A and sel
MrRissso [65]
Would it like.. not be C?? Im guessing its C (:
6 0
3 years ago
603.8<br> 275.4<br> -_____<br><br> What’s that? But can you put the steps??
Aleksandr-060686 [28]

Answer:

328.4

Step-by-step explanation:

sorry I don't know the step by step

4 0
3 years ago
John has a roll containing 24 2/3 feet of wrapping paper he wants to divide it into 11 pieces first though he must cut off five
Simora [160]

take 23 2/3 and subtract 6 to get 53/3 or 17 2/3 or 17.667

then you take 17.667 and divide by 11 to get 1.606


6 0
2 years ago
If 3 pounds of apples cost $3.85, how much will 18<br> pounds of apples cost?
Mekhanik [1.2K]

Answer: $23.10

Step-by-step explanation:

18/3 = 6

3.85 x 6 = $23.10

8 0
2 years ago
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