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Ksju [112]
3 years ago
8

During a sale, all video games $10 off. Rebecca used a coupon to get an additional $15 off her purchase. If the original price o

f a video game was $60, how much did Rebecca pay?
Mathematics
1 answer:
enyata [817]3 years ago
4 0
Rebecca payed $35 for the video game, simple math.
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Given:-x-4=9 prove:c=-13
serious [3.7K]

Answer:

a. addition property of Equality

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3 years ago
Find an approximate equation y=ab^x with the coordinates (0, 4) (3, 95)
bogdanovich [222]
We have y=ab^{x}

Plug in (0, 4):
4=ab^{0}⇒4=a
So we now have a

Plug in (3, 95):
95=4b^{3}
⇒b^{3}=\frac{95}{4}
⇒b=\sqrt[3]{\frac{95}{4}}
which is approximately 2.874

So we get
y=4(\sqrt[3]{\frac{95}{4}})^{x}
or, in decimal form,
y=4*2.874^{x}
7 0
3 years ago
Ji-Hun and Kana are running a marathon. Due to the volume of people running, the starts occur in waves. Kana starts at 9:35 a.m.
iris [78.8K]

Answer:

23.52 miles

Step-by-step explanation:

Let us find the number of miles that they would have run.

Kana starts at 9:35 a.m. and runs at an average rate of 7 mph.

Let the time she has spent so far be t.

Speed is given as:

s = d / t

where d = distance and t = time

=> d = s * t

Therefore, for Kana:

d = 7 * t = 7t _____________(1)

Ji-Hun starts at 10:00 am (25 minutes after Hannah) and runs at an average rate of 8 mph.

25 minutes = 25/60 hour = 0.42 hour

So, his time (compared to Kana's) is t - 0.42.

therefore, for Ji-Hun:

d = 8 * (t - 0.42)

=> d = 8t - 3.36 ____________(2)

Equating (1) and (2):

7t = 8t - 3.36

=> 8t - 7t = 3.36

t = 3.36 hours

Therefore, let us find d:

d = 7 * 3.36 = 23.52 miles

So, Ji-Hun will catch up to Kana after 23.52 miles.

6 0
3 years ago
H(x) = 17 + x/6 h(-18) = ___<br> x/6 is a fraction <br> please helpp
gayaneshka [121]
Simply plug in the value for x.

If x is equal to -18, then plug in -18 for x.

Example:

f(x) = 15 + x/5. 
f(5) = 15 + 5/5.

Then solve the equation.

A function is just something that receives some value and then barfs a value out. This is an IO relationship. (Input/Output).
6 0
3 years ago
Terry bought a dress and a dress for 14.69 and a pair of pants for 22.32. How much more did she spend on the pants than the dres
Luda [366]

Answer:

7.63

Step-by-step explanation:

22.32 - 14.69 = 7.63

7 0
3 years ago
Read 2 more answers
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