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mylen [45]
3 years ago
5

15 points, solve the variables! Will give Brainliest!

Mathematics
1 answer:
Anon25 [30]3 years ago
3 0
6: x = 8, y = 8 \sqrt{3}

7: x = 9 \sqrt{2}, y = 9
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If your car gets 28 miles per​ gallon, how much does it cost to drive 350 miles when gasoline costs ​$2.50 per​ gallon?
Elan Coil [88]
350 / 28 = 12.5 gallons, so 13 gallons needed

13 X 2.5 = $32.50
3 0
3 years ago
Determine whether the quadrilateral is a parallelogram. Justify you answer.
agasfer [191]

Answer:

It is a quadrilateral.

Step-by-step explanation:

Quadrilateral is a 4-sided shape where the total angles is 360°.

So when you add up all the angles, you will get 360°.

4 0
3 years ago
(-7.5) + (-5.3) (-1.9)
Lisa [10]

Answer:

2.57

Step-by-step explanation:

You first have to multiply the -5.3 times the -1.9. Once you do that, you get 10.07. Then, you add the -7.5.

Here are the equation steps:

(-7.5) + (-5.3)x(-1.9)

(-7.5) + (10.07)

2.57

6 0
3 years ago
PLSSS HELP MY TEST IS ALMOST OVER
Ipatiy [6.2K]
I think the answer is b
8 0
3 years ago
8) BRAINLIEST AND 15 POINTS! PLS HELP ASAP
algol13

Answer:

a.) Between 0.5 and 3 seconds.

Step-by-step explanation:

So I just went ahead and graphed this quadratic on Desmos so you could have an idea of what this looks like. A negative quadratic, and we're trying to find when the graph's y-values are greater than 26.

If you look at the graph, you can easily see that the quadratic crosses y = 26 at x-values 0.5 and 3. And, you can see that the quadratic's graph is actually above y = 26 between these two values, 0.5 and 3.

Because we know that the quadratic's graph models the projectile's motion, we can conclude that the projectile will also be above 26 feet between 0.5 and 3 seconds.

So, the answer is a.) between 0.5 and 3 seconds.

4 0
3 years ago
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