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allochka39001 [22]
2 years ago
6

Two sides of a triangle have the following measures. Find the range of possible measures for the third side.

Mathematics
1 answer:
strojnjashka [21]2 years ago
3 0

Answer:

1 and 15

Step-by-step explanation:

8-7=1

8+7=15

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Y=-2x²-8x-5 domain and range
Jobisdone [24]

Answer:

Domain: All real numbers

Range: y≤3

Step-by-step explanation:

The given function is

y =  - 2 {x}^{2}  - 8x - 5

This is a polynomial function.

The domain is set of all values of x, that makes this function defined.

Since polynomial functions are defined everywhere, the domain is all real numbers.

To find the range we put the function in vertex form:

y =  - 2( {x}^{2}  + 4x) - 5

y =  - 2( {x}^{2}  + 4x + 4) - 5 +  - 4 \times  - 2

y =  - 2( {x}  + 2)^{2} - 5 + 8

y =  - 2( {x}  + 2)^{2}  +  3

The maximum value is 3

The function turns downward, hence the range is:

y \leqslant 3

6 0
3 years ago
If a skateboard cost a store owner $55.20 to purchase, what price must the
Kryger [21]

Answer:

69 dollars

Step-by-step explanation:

Thats the Answer

4 0
3 years ago
Worth 10 points pls help
Olenka [21]
What subject is this
3 0
2 years ago
Leila works as a tutor for an hour and as a waitress for an hour. This month, she worked a combined total of hours at her two jo
kupik [55]

Answer:

E(t)  =  5t +672     ($)

Step-by-step explanation:     INCOMPLETE QUESTION

FROM GOOGLE

she earns 12 $ per hour as tutor and 7 $ per hour as waitress, this month she worked a combined of 96 hours at her two jobs

Let be t the numbers of hours Leila works as tutor this month

Answer:

If Leila worked t hours as tutor then, she worked (96 - t) hours as waitress

E(t)  =  12 * t  +  7 * (96-t)

E(t)  =  12t   +  672 - 7t

E(t)  =  5t +672     ($)

7 0
3 years ago
What is a 2c − 5b − c a − b simplified?
timama [110]
All you have to do is combine like terms. 2c and (-c) are like terms (-5b) and (-b) are like terms and a is a term. So, 2c combined with (-c) is C. (-5b) and (-b) combined is (-6b). Since a doesnt need to be combined with anything, you leave it as it is so your answer will then be c - 6b + a (this is the answer assuming that there is a + in front of the a. If there is a - sign, then just change your +a to -a at the end
7 0
3 years ago
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