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stira [4]
3 years ago
9

Can someone please help me with question? Thanks if you do!

Mathematics
1 answer:
maw [93]3 years ago
3 0
If I did my math correct I got a
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How do you simplify 10d-3d ?? Please help I’m stuck on this .
defon

Answer:

7d

Step-by-step explanation:

10d-3d

Factor out a d

d(10-3)

d (7)

7d

3 0
2 years ago
Read 2 more answers
A small radio transmitter broadcasts in a 50 mile radius. If you drive along a straight line from a city 65 miles north of the t
mart [117]

Answer:

29% of the drive

Step-by-step explanation:

The plot of the problem is:

Transmitter at origin (0,0)  

City to the north at (0,70)

City to the east at (74,0)

The path from city to city is a line with slope:

m = (-70)/74 = -35/37

and y-intercept at y = 70, so the equation is y = (-35/37)*x + 70.

The transmitter reach the area enclosed by the next circle:

x^2 + y^2 = 53^2

See the picture attached

The intersection is gotten from the picture or solving:

x^2 + [(-35/37)*x + 70]^2 = 53^2

the points approximately are: (24.1, 47.2) and (45.8, 26.7)

From Pythagorean theorem the total distance of the trip is:

d1 = √(70^2 + 74^2) ≈ 101.9 miles

And the distance when the signal is picked up is:

d2 =√ [(45.8 - 24.1)^2 + (47.2 - 26.7)^2] ≈ 29.9 miles

You will pick up a signal from the transmitter in (d2/d1)*100 = 29% of the drive.

7 0
2 years ago
Is 2/3 greater than 3/5
Zinaida [17]
Yes because the larger the bottom number the smaller the amount. :)
8 0
3 years ago
Read 2 more answers
Which equation is equivalent to 2x + 6y = 12?
mixer [17]

Answer:

Option C, y = -1/3x + 2

Step-by-step explanation:

2x + 6y = 12

<u>Step 1:  Solve for y</u>

2x + 6y - 2x = 12 - 2x

6y / 6 = (12 - 2x) / 6

y = 2 - 1/3x

Answer:  Option C, y = -1/3x + 2

6 0
3 years ago
Read 2 more answers
1. Solve for y 4x + 2y = 6<br>​
xenn [34]

Answer:

y = -2x + 3

Step-by-step explanation:

4x + 2y = 6

⇔ 2y = \frac{6 - 4x}{2} = \frac{6}{2} - \frac{4x}{2} = 3 - 2x = -2x + 3

5 0
3 years ago
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