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sweet [91]
3 years ago
8

PLEASE HELP!!!!

Mathematics
1 answer:
Nadya [2.5K]3 years ago
6 0

Answer:

(-1,1,3)

Step-by-step explanation:

midpoint = (x1+x2/2, y1+y2/2, z1+z2/2)

midpoint = ( (-6+4)/2, (3+-1)/2, (4+2)/2 )

midpoint = (-2/2, 2/2, 6/2)

midpoint = (-1, 1, 3)

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The time t (in minutes) for a small plane to climb to an altitude of h feet is given by t = 50 log10 (18000/(18000-h)) where 180
Arlecino [84]
Domain = x<18000(You cant og a negative number)
Am I actually supposed to graph it? enter the equation on desmos.com
It takes longer to make the same altitudinal gain
t=50log(18000/(18000-4000))=50log(18000/14000)=5.457
5 0
3 years ago
Factor each completely. <br><br>10a² - 9a + 2 <br><br>​
Sophie [7]

Answer:

a= \frac{2}{5} or \frac{1}{2}

Step-by-step explanation:

Equate the equation to zero

10a^{2}-9a+2=0

10a^{2}-5a-4a+2=0

5a(2a-1)-2(2a-1)=0

Write out the factors

(5a-2)(2a-1)=0

Then equate each factor to zero

5a-2=0 OR 2a-1=0

5a=2  OR  2a=1

a= \frac{2}{5}   OR a= \frac{1}{2}

a=\frac{2}{5} or \frac{1}{2}

3 0
3 years ago
The scale on a map shows that 200 miles is represented by 5 inches on a map.Which proportion can be used to find the distance on
inn [45]
If you would like to know which proportion can be used to find the distance on the map that represents 50 miles, you can calculate this using the following steps:

200 miles ... 5 inches
50 miles ... x inch = ?

200 * x = 5 * 50
x = 5 * 50 / 200
x = 1.25 inch

The correct result would be <span>x = 5 * 50 / 200.</span>
4 0
3 years ago
Read 2 more answers
Hannah would like to make an investment that will turn 5000 dollars into 35000 dollars in 7 years. What quarterly rate of intere
AysviL [449]

Answer:

1000

Step-by-step explanation:

5 0
3 years ago
Homework kills guys, please help
Kazeer [188]

Answer:

The correct answer is in bold below written in two different ways. I think that the two middle options of your problem were given by mistake. The correct answer is not in the options.

Step-by-step explanation:

cost of yogurt = cost of toppings + cost of yogurt with 1 topping

cost of yogurt with 1 topping = $3.65

cost of yogurt = cost of toppings + 3.65

cost of 1 additional topping = $0.45 * 1

cost of 2 additional toppings = $0.45 * 2

cost of x additional toppings = $0.45 * x = 0.45x

Since 1 topping is included in the $3.65 charge, if you pay for x additional toppings, you will have x + 1 total number of toppings. That means you must pay for only x - 1 additional toppings to have a total of x toppings.

One topping is already included in the $3.65 charge, so you pay for only x - 1 additional toppings.

cost of x - 1 additional toppings = 0.45(x - 1)

cost of yogurt = 0.45(x - 1) + 3.65

y = 0.45(x - 1) + 3.65

y = 0.45x - 0.45 + 3.65

y = 0.45x + 3.2

8 0
3 years ago
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