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ddd [48]
3 years ago
15

What's the distance between the points (0,9) and (7,7)?

Mathematics
1 answer:
Alexeev081 [22]3 years ago
5 0
(7-9)^2+(0-7)^2
4+49
53^(1/2)
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Kara earned $136.75 last week working 16 hours. She earned $10.50 per hour at the fast food restaurant and $4.25 per hour helpin
Evgesh-ka [11]

Answer:

ANSWER: she worked 11 hours at the fast food restaurant and 5 hours helping her aunt

Step-by-step explanation:

First we are going to try to find how many hours she worked on the fast food restaurant so you multiply 4.25 time 16 and x

10.50x + 4.25(16-x) =136.75

10.50x + 68 - 4.25x= 136.75

Then, you subtract 68 from both sides and subtract 4.25x from 10.50x

6.25x=68.75

Divide

X=11 that is how many hours she worked at the FAST FOOD RESTAURANT

Then 16-11 and that gives us how many hours she helped her aunt.

3 0
3 years ago
What is the most convenient method to solve the quadratic equation ( x + 4 )² = 15
IgorC [24]

Answer:

Factoring

Step-by-step explanation:

(x+4)² = 15

x² + 8x + 16 = 15

x² + 8x + 1 = 0

x =  \frac{ - 8 +  \sqrt{64 - 4} }{2}  =  - 4 +  \sqrt{15}  \\  \\ x =  \frac{ - 8 -  \sqrt{64 - 4} }{2}  =  - 4 -  \sqrt{15}

I hope this helps you :)

7 0
3 years ago
Read 2 more answers
What is 3 times as many as 4
HACTEHA [7]

Answer: 12

Step-by-step explanation:

3 x 4 = 12

8 0
3 years ago
If f(x) = x and g(x) = 2, what is (f o g)(x)?<br> 2x<br> 2<br> x + 2<br> x/2
arlik [135]
(f \circ g)(x)=2
8 0
3 years ago
Which expression is equivalent to(2^3)^-5
Nady [450]

Answer:

hope this helps if not im sorry

Step-by-step explanation:

(2^3)^5

=2^(3*5)

= 2^15

3 0
3 years ago
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