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trasher [3.6K]
2 years ago
7

Can someone please help me and write out the answer​

Mathematics
1 answer:
Kipish [7]2 years ago
8 0
Y=2.5 hope it’s correct
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Which pair shows equivalent expressions?
Mamont248 [21]

Answer:

It's C

Step-by-step explanation:

When you multiply - 2 to what you have in the brackets you get - 2x - 10

Hope this helps, have a wonderful day

3 0
2 years ago
In Detroit the high temperature in degrees Fahrenheit for five days in January were -12 , -8 , -3 , 6 , -15. What was the averag
Marianna [84]

Average temperature = (12 - 8 + 3 + 6 - 15) / 5 = -2/5 = -0.4

3 0
3 years ago
Read 2 more answers
A student reading his physics book on a lake dock notices that the distance between two incoming wave crests is about 2.4 m and
mojhsa [17]

Answer:

v=2.4/1.6=1.5 m/s

Hope it helps

Have a good day

4 0
2 years ago
HELP NOW ASAP HURRY i don't got all day!!!!!!!!!!!!!
Anarel [89]

Answer:

15 3/4t^2 + 5 1/4

Explanation:

h(t)=-16t^2+400

We can add 400 then - 64 and show as 8^2

= h(t)=-16t^2+400 - 8^2  

But we also need to change 16t^2;

We divide 64 into 16 = 16/64 =0.25

and show 16t^2 changes by 0.25 = 1/4

15 3/4t^2 + 400-64

Can now look like

15 3/4t^2 + 5 1/4

As 5 1/4 = 64 x 5 1/4 = 336

8 0
3 years ago
What is the sum of the squares of the lengths of the $\textbf{medians}$ of a triangle whose side lengths are $10,$ $10,$ and $12
FrozenT [24]

A picture can help.

The median to the long side divides the isosceles triangle into two right triangles with hypotenuse 10 and short leg 6. Thus the long leg (median of interest) is found by the Pythagorean theorem to be

... √(10² -6²) = √64 = 8

Then the midpoint of the short side is found to be 6 + (6/2) = 9 units to the side and 8/2 = 4 units above the opposite vertex. Hence the square of the length of that median is 9² + 4² = 97.

The sum of squares of interest is

... 8² + 2×97 = 258

4 0
3 years ago
Read 2 more answers
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