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insens350 [35]
2 years ago
10

Can someone help me I don't understand

Mathematics
1 answer:
MAVERICK [17]2 years ago
6 0

Answer: C 75

Step-by-step explanation: time to distance is ratio 4:5 = 60:X

In 1min He walks 5/4

in 60mins He walks 5/4 ×60

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HELP ASAP.....NO LINKS AND NO TROLLING PLS
Kisachek [45]

Answer:

When you flip over the the x-axis, the y-coordinate becomes the additive inverse. I.e. ; if I flipped over the x-axis, a (x,4) would become (x,-4). When you flip over the y-axis the x becomes the additive inverse. (x,4) will become (-x,4)

Step-by-step explanation:

If this helped you, you're welcome. If you have any questions, LMK.

Have a good day, and good luck! ⭐

6 0
2 years ago
What is vertex of x^2+5x-3
Art [367]

\text{The vertex of}\ ax^2+bx+c:\\\\(h,\ k),\ \text{where}\ h=\dfrac{-b}{2a};\ k=f(h)=\dfrac{-(-b^2-4ac)}{4a}

\text{We have:}\\f(x)=x^2+5x-3\\\\a=1,\ b=5,\ c=-3\\\\h=\dfrac{-5}{2\cdot1}=\dfrac{-5}{2}=-2.5\\\\k=f(-2.5)=(-2.5)^2+5(-2.5)-3=6.25-12.5-3=-9.25

\text{Answer: the vertex is in}\ (-2.5;\ -9.25)

6 0
2 years ago
John buys a computer with a 20% discount. If he paid $760 for the computer, how much was the discount?
Mumz [18]
If there was 20% taken off you add 20% back on and that is how you will get your answer. So take 760 plus the 20% which gives you 912 dollars
8 0
3 years ago
Read 2 more answers
A and b are positive integers and a–b = 3. Evaluate the following: 27^ (1/3 b)/9^ (1/2 a)
maxonik [38]

Answer:

1/27

Step-by-step explanation:

27^(b/3)/9^(a/2) = (27^(1/3))^b/(9^(1/2))^a = (3^b)/(3^a) = 3^(b-a)

= 3^(-(a-b)) = 3^-3 = 1/3^3 = 1/27

5 0
3 years ago
a bank receives a initial deposit of 9,000, kept a percentage of 9% and loaned out the rest. The loan was paid back. If this cyc
SSSSS [86.1K]
9000/0.09=100000 ...................
3 0
3 years ago
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