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3 years ago

Plz help this is also timed and sorry that the screen looks like this:(

Mathematics

2 answers:

Galina-37 [17]3 years ago

6 0

Answer:

2 hours, 15 minutes

Step-by-step explanation:

3:30 to 5:30 is 2 hours elapsed time.

5:30 to 5:45 is 15 minutes elapsed time.

2 hrs + 15 mins =2 hrs 15 mins.

Katarina [22]3 years ago

6 0

Answer:

2 hours and 15 minutes

Step-by-step explanation:

You subtract 5:45 - 3:30 = 2:15

Hope I helped

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Which values of PP and QQ result in an equation with no solutions? -60x+32=Qx+P−60x+32=Qx+P Choose all answers that apply: Choos

Inga [223]

<h3>Answer:</h3>

A and C

<h3>Step-by-step explanation:</h3>

Given:

-60x+32 = Qx+P

Find:

Which values of P and Q result in an equation with no solutions? Choose all answers that apply:

(Choice A) A Q=-60 P=60

(Choice B) B Q=32 P=60

(Choice C) C Q=-60 P=−32

(Choice D) D Q=32 P=−60

Solution:

The equation will have no solution if it reduces to ...

0 = (non-zero constant)

If we add 60x-32 to both sides, we get

0 = 60x +Qx + P-32

0 = (Q+60)x +(P-32)

The x-term must be zero, so Q+60 = 0, or Q = -60.

The constant term must be non-zero, so P-32 ≠0, or P ≠ 32.

The appropriate answer choices are those with Q=-60 and P≠32, A and C.

8 0

3 years ago

-3x+2y=6 Find the intercepts. Show your work.

Arte-miy333 [17]

Answer:

The x-intercept is (-2,0)

The y-intercept is (0,3)

Step-by-step explanation:

An x-intercept is the point when the graph crosses the x-axis. In other words, the y-coordinate of the x-intercept is 0 (since it lays on the x-axis). In other words, to solve for the x-intercept(s), plug in 0 for y and solve for x:

$-3x+2y=6\\-3x+2(0)=6\\-3x=6\\x=-2$

So, the x-intercept is (-2,0).

Likewise, the y-intercept is the point when the graph crosses the y-axis. Because it's on the y-axis, the x-coordinate value would be 0. Thus, to find the y-intercept, plug in 0 for x and solve for y:

$-3x+2y=6\\-3(0)+2y=6\\2y=6\\y=3$