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V125BC [204]
3 years ago
6

‼️ PLEASEEE HELPPPP ‼️

Mathematics
2 answers:
V125BC [204]3 years ago
8 0

Answer: answer is in the photo

Step-by-step explanation:

mestny [16]3 years ago
8 0

Answer:

x=7

Angle = 102

Step-by-step explanation:

Both angles are congruent, meaning they have the same measure.

Set your formula up as

15x-5=13x+9

15x=13x+9+5

15x-13x=9+5

2x=14

x=14/2

x=7

Now plug in 7 for x

15x-3

15*7-3

105-3

102

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Which equation represents a proportional relationship between the x and y values?
Airida [17]

Answer:

D) y=-2x

Step-by-step explanation:

A linear relationship is of the form y=mx+b, where, m is the slope and b is the y-intercept (constant).

For a proportional relationship, the value of b=0 and thus it is of the form y=mx

Let us check each option and express it in the form above.

Option A:

y=2

This can be written as y=0x+2. So, b\ne 0.

Since, b \ne 0, therefore, it is not a proportional relationship.

Option B:

y=14x+1

Here, b=1. So, b\ne 0.

Since, b \ne 0, therefore, it is not a proportional relationship.  

Option C:

y=x-4

Here, b=-4. So, b\ne 0.

Since, b \ne 0, therefore, it is not a proportional relationship.  

Option D:

y=-2x

This can be rewritten as y=-2x+0

There is no y-intercept on this. So, b=0

Since,b = 0, therefore, it is a proportional relationship.

Therefore, the correct option is D.

8 0
3 years ago
Read 2 more answers
Suppose it takes John 18 minutes to run 3 miles. How long would it take him to run 7 kilometers? round to the nearest minute
alex41 [277]

Answer: 26 Minutes

Step-by-step explanation:

3 mi * 1.609 km/1 mi = 4.82 km

4.82 km/ 18 minutes = 7 km/ x minutes

4.82x=18*7

x=126/4.82

x=26.14 ~ 26 Minutes

8 0
3 years ago
Who needs help below 8th grade
luda_lava [24]

Answer:

mee

Step-by-step explanation:

7 0
3 years ago
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What are all the solutions? <br> 4x^2+9y^2=72<br> x^2+y^2=5
Ilya [14]
There is no solution.
If you graph both equations they never touch.

4 0
3 years ago
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four percent of newspaper readers wrote a letter to the editor last week. if there were 50 letters received by the editor last w
Alina [70]

Answer:

there are 1250 readers

Step-by-step explanation:

r = readers

4 percent of readers sent letter = 50 recieved letters

r * 4 percent = 50

r * .04 =50

divide by .04 on each side

r = 50/.04

r =1250

5 0
2 years ago
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