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elena-s [515]
3 years ago
13

Wha equivalent to -5+-3

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
8 0
Equivalent is somewhat the same thing as just adding them so -5+-3 is -8
Nitella [24]3 years ago
7 0
-5 + -3 the answer is -8 because its just like adding
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Sarah rides her horse for 2 1/6 hrs with a constant speed of 6 km/hr and then for another 2 hours and 5 minutes with a constant
NemiM [27]
The complete question is
<span>Sarah rides her horse for 2 1/6 hrs with a constant speed of 6 km/hr and then for another 2 hours and 5 minutes with a constant speed of 12 km/hr what is her average speed for the total trip?</span>

we know that
speed=distance/time

1) Sarah rides her horse for 2 1/6 hrs with a constant speed of 6 km/hr
time=2 1/6 hrs----> 13/6 hrs
speed=6 km/h
distance=speed*time----> 6*(13/6)---> 13 km

2)for another 2 hours and 5 minutes with a constant speed of 12 km/hr
time=2hrs+5 minutes----> 2+(5/60)--> 125/60 hrs
speed=12 km/hrs
distance=speed*time----> 12*(125/60)---> 25 km

3) find the average speed for the total trip
total distance=13 km+25 km----> 38 km
total time=(13/6)+(125/60)----> (10*13+125)/60----> 4.25 hours
speed=38/4.25----> 8.94 km/hrs

the answer is
8.94 km/hrs
7 0
3 years ago
A random experiment has three steps with three outcomes possible for the first step, two outcomes possible for the second step,
Elena L [17]

Answer: 6 outcomes

Step-by-step explanation: Since the first outcome is 2 and the second is 4 2 times 3 is ix since it is multiplying by 2 (2,4,6,8)

6 0
3 years ago
Read 2 more answers
Determine if the function is an even function, an odd function or neither. &gt; = −6x² – 5x² −2 even neither odd​
mel-nik [20]

Answer: even

Step-by-step explanation:

A function is even if f(x)=f(-x), and odd if f(x)=-f(-x). If a function satisfies neither of these, it is neither even nor odd.

f(x)_=-6x^{2}-5x^{2}-2=-11x^{2}-2\\\\f(-x)=-11(-x)^{2}-2=-11x^{2}-2\\\\\therefore f(x)=f(-x)

Therefore, the function is <u>even</u>.

6 0
2 years ago
Solve forx.<br> (2x - 1) (5x+3) = 0
Elena L [17]
See photo for answer

Hope this helps! Please make me the brainliest, it’s not necessary but appreciated, I put a lot of effort and research into my answers. Have a good day, stay safe and stay healthy.
5 0
2 years ago
Read 2 more answers
Please help 30 points will mark brainliest.
xenn [34]

Answer:

12(x-1)2-(3x-5^)2

Step-by-step explanation:

Apply the distributive property.


3 0
3 years ago
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