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Lapatulllka [165]
3 years ago
7

Pt=3x+8and TQ =5x-6 PT=?

Mathematics
1 answer:
GalinKa [24]3 years ago
8 0

Because yeah I just don’t know that question to the answer so hopefully somebody finds it and you have a good day
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Toni rows a boat 4.5 km/h upstream and then turns around and rows 5.5 km/h back downstream to her starting point. If her total r
Masja [62]

Answer:

about 26 min

Step-by-step explanation:

Toni rows a boat 4.5 km/h upstream and then turns around and rows 5.5 km/h back downstream to her starting point

First we find the average speed

We add both speed and divide it by 2

\frac{4.5+5.5}{2} = 5

Now we find the distance for round trip

given total time is 48 mins. convert mins into hours

48 mins = 48 divide by 60 = 0.8

average speed = 5 km/hr

Distance = speed * time = 5 * 0.8 = 4 km

distance covered both ways = 4 km

so 4 divide by 2 = 2 km each way

To find time taken for upstream = distance of each way / speed of upstream

time = \frac{2}{4.5} = 0.44 hours

Now convert hours into minutes

0.44* 60= 26.4 minutes





3 0
3 years ago
Which of the following are properties of right triangles?
sineoko [7]
The properties that apply true are:

1–as it implies the Pythagorean theorem; a^2+b^2=c^2

3–as it implies the basic rules of visualized geometry.

4–as the greater side(hypotenuse) is opposite the right angle.

NOT 2, as the accrue angles ARE complimentary.
4 0
3 years ago
2. The direct distance between city A and city B is 200 miles. The direct distance
Misha Larkins [42]

Answer:

2

Step-by-step explanation:

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3 years ago
If the parent function is y=4*, which is the function of<br> the graph?
Vaselesa [24]

Answer:

The answer is y = 3(4)^x or answer choice C

8 0
2 years ago
Pink rose plants are on sale for $3 each and white ones for $5 each. A gardener decides to buy 13 in total, choosing more white
Anettt [7]

Answer:

8

Step-by-step explanation:

If the gardener bought more white than pink, that could mean he could have bought 12 white and one pink, 11 white and 2 pink, 10 white and 3 pink, 9 white and 4 pink, 8 white and 5 pink, or 7 white and 6 pink.

If you plug in the numbers, for example with 7 and 6, that would equal $53, which is not correct. Continue to do this with all of the answers.

With 8 white roses and 5 pink roses, this would equal $55 (40+15), which is the answer.

7 0
3 years ago
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