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Vinvika [58]
3 years ago
15

If 3 is added to twice a number the result is 17

Mathematics
1 answer:
lyudmila [28]3 years ago
8 0
3+2x=17
x=the number
2x=14
x=7
now plug it in to check your answer
3+2(7)=17
3+14=17
17=17
the answer was correct
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6 x ____ = 9<br><br> 6 times what number equals 9
hjlf

Answer:

3/2

Step-by-step explanation:

6 * _x___ = 9

Divide each side by 6

6 x __x__ = 9

x = 9/6

Simplify

x = 3/2

3 0
3 years ago
Read 2 more answers
Tarik rides a stationary bike and Janet rides her bike on a trail. Their data is shown
KiRa [710]

Answer:

Part a. The graph does not model a proportional relationship.

Part b. The values in table model a proportional relation.

3.5 minutes per mile.

Step-by-step explanation:

Part a.

The graph shown in the question representing Janet's data is not a straight line although it passes through the origin.

That is why the rate of change of distance with time is not constant.

Therefore, the graph does not model a proportional relationship.

Part b.

If we plot the data in the table using distance in miles along the y-axis and time in minutes along the x-axis, then we will get a straight line passing through the origin.

So, the values in the table model a proportional relation.

Now, Tarik's unit rate in minutes per miles will be \frac{7-0}{2-0} =3.5 minutes per mile. (Answer)

6 0
3 years ago
3×-y=5,2×+y=5 pleaseplease ​
Tanya [424]

Answer:

x = 2

y = 1

Step-by-step explanation:

3x - y = 5..............(1)× 1

2x + y = 5...….......(2)× 1

3x - y = 5..............(3)

2x + y = 5.............(4)

Cancel y

3x + 2x = 5 + 5

5x = 10

Divide both sides by 5

x = 2

Substitute for the value of y

3x - y = 5

3(2) - y = 5

6 - y = 5

6 - 5 = y

1 = y

y = 1

6 0
3 years ago
Solve for b. 3(b + -2-8=-5 what is the answer?​
ANEK [815]

<u>Equation/Question:</u>

Solve for b. 3(b + -2)-8=-5 what is the answer?​

<u>Answer/Steps to answer:</u>

1.Simplify  b+-2 to b−2.

3(b−2)−8=−5

2. Add 8 to both sides.

3(b-2)=-5+8

3. Simplify  -5+8  to  3.

3(b-2)=3

4. Divide both sides by 3.

b-2=1

5. Add 2 to both sides.

b=1+2

6. Simplify  1+2 to 3.

b=3

Done by <u>NeighborhoodDealer</u>

8 0
3 years ago
Are angles congruent when their side measures are the same
Mkey [24]

Answer:

I don't believe so because congruent shapes are exactly the same but a side measurement could be the same on a square and a triangle but those aren't congruent shapes


I hope this helped!


4 0
3 years ago
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