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valkas [14]
2 years ago
15

plz help doing test rn i need it

Mathematics
1 answer:
Roman55 [17]2 years ago
3 0

Answer:

|answer|  \\ 1)0=0 \\ 2)0=28

3)The example equation becomes "x + 10 - 15x = 20," which is then "-14 x + 10 = 20." Subtract 10 from each side, divide by 14 and you have end up with x = -10/14, which simplifies to x = -5/7. Plug in the x value in to the first equation to find out the y value. y = 2 - 3(-5/7) becomes 2 + 15/7, which is 29/7.

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The cruising speed of the bullet train will be at least 170 miles per hour. Use s to represent the train's cruising speed (in mi
salantis [7]

Answer:

s ≥ 170

Step-by-step explanation:

The problem raises the following statement: "The cruising speed of the bullet train will be at least 170 miles per hour"

Which means that the train has a speed of 170 miles for now or higher, knowing this we can pose the inequality.

Knowing that "s" is the train's cruising speed (in miles per hour), we have to:

s ≥ 170

This would be the inequality that the statement represents.

6 0
3 years ago
A TV program is edited for broad casting and 17% of the original program is cut.
Llana [10]
If original program is x hours long we have the equation-
x - 0.17x = 1.5
0.83x = 1.5
x = 1.5 / 0.83 = 1.81 hours long   ( about 1 hour 49 minutes) Answer
3 0
3 years ago
Kavon grew 8 plants with 2 seed packets. How many seed packets does Kavon need to have a total of 12 in his backyard?
Dennis_Churaev [7]
He would need 3 seed packets.
3 0
3 years ago
Read 2 more answers
Finding which number supports the idea that the rational numbers are dense in the real numbers?
marysya [2.9K]

Answer:

an integer between –11 and –10

a whole number between 1 and 2

a terminating decimal between –3.14 and –3.15

Step-by-step explanation:

6 0
2 years ago
Find the line parallel to the line y=3x+5 which passes through the point (1,4). a. y=-1/3x+1 b. y=-3x+1 c. y=1/3x+1 d. y=3x+1
Vladimir [108]

Answer:

D

Step-by-step explanation:

So we want to find the equation of the line parallel to y=3x+5 and goes through the point (1,4).

First, since the new line is parallel, its slope must be equivalent. Therefore, the slope of our new line <em>must</em> also be 3.

Now, we can figure out the rest of the equation using the point-slope form:

y-y_1=m(x-x_1)

Substitute 3 for m. Let's let (1,4) be x₁ and y₁. Thus:

y-4=3(x-1)

Distribute the right:

y-4=3x-3

Add 4 to both sides:

y=3x+1

And we're done!

The correct answer is D.

5 0
3 years ago
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