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sashaice [31]
3 years ago
10

A student writes 5y*3 to model the relationship the sum of 5y and 3. explain the error

Mathematics
2 answers:
stiv31 [10]3 years ago
5 0
5y*3
This models the relationship as 5y times 3

But the question says to model the relationship as 5y plus 3.

Therefore, the right answer is 5y+3

!!!HOPE THIS HELPS!!!
mezya [45]3 years ago
4 0
So,

5y*3 is the open phrase the student uses to model "the sum of 5y and 3".

"The sum of" means addition.  The student put 5y*3, while the sum of 5y and 3 is actually 5y + 3.
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Delta Math: Angle Terminology with Equations
vazorg [7]

Answer:

m∠A = 139°

Step-by-step explanation:

Since knowing that:

Supplementary angles = 180 degree

Thus we put that in both equation:

( 7x - 15 ) + ( 2x - 3 ) = 180

Combine like terms & use inverse operations to find the value of x:

( 7x - 15 ) + ( 2x - 3 ) = 180

9x - 18 = 180

9x - 18 + 18 = 180 + 18

9x  = 198

9x/9 = 198/9

x = 22

Hence,  Angle A will have a measure of 7x - 15 which means  7 ×  22 -15 = 154 - 15 = 139°

m∠A = 139°

The measure of Angle B will be 2x - 3 = 2 • 22 - 3 = 44 - 3 = 41°

m∠ B = 41°

Check Answer by add 139 and 31 which equal 180

<u><em>~lenvy~</em></u>

3 0
1 year ago
What is the first multiple of 30 that is divisible by 4?
kap26 [50]
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6 0
3 years ago
Read 2 more answers
jeanette wants to tile the floor of a room in her house. the square tiles measure 3/4 ft on each side. the room is 10 ft wide. w
Yuri [45]
First off i dont like using fractions so i will convert 3/4 into 0.75 to start. Then i would divide 0.75 into 10 and that equals 13 and 1/3

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4 0
3 years ago
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I need help with this please. :)
stepladder [879]

Answer:

64x³+4

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2x-1

Step-by-step explanation:

I hope this helps. :)

3 0
2 years ago
I used elimination to solve this system of equations and found out that y = 1. What does x equal?
stepan [7]
5x + 4y = 24
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5 0
3 years ago
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