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Mars2501 [29]
2 years ago
5

Regina owns a book store. She sold 87, 94, 91, and 84 books on the first 4 days of this week. Regina wants to have a mean of 90

books sold after 5 days NEED IT FAST
Mathematics
1 answer:
andre [41]2 years ago
3 0

Answer:

If Regina wants a mean of 90, she needs to sell 94 books on the 5th day.

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Algebra help
Vilka [71]
To determine the correct ordered pairs which will agree with the function, we can substitute values to the function and see whether it agree with each other. We do as follows:

<span>(0,1)
</span><span> f(x)=128(0.5)^0
</span><span> f(x)=128
</span><span>
(1,64)
</span><span> f(x)=128(0.5)^1
</span>f(x) = 64  <--------CORRECT ANSWER<span>

(3,16)
</span><span> f(x)=128(0.5)^3
f(x) = 16 <--------CORRECT ANSWER
</span><span>
(8,0.5)
</span><span> f(x)=128(0.5)^8
f(x) = 1/2

Hope this answers the question. Have a nice day.</span>
5 0
3 years ago
-0.2 + 7/10 plz help I’m stuck
Lelechka [254]

(-0.2) + (7÷10) =

(-0.2) + 0.70 =

0.5

Hope that helps!


6 0
3 years ago
Find the slope (4, -1) and (-2, 3)
Yuliya22 [10]
Answer: -2/3

3-(-1) over
-2-4
This equals 4/-6 which reduces to -2/3
5 0
2 years ago
Read 2 more answers
Brainers, please help me, please.
Bogdan [553]

Answer:

772.2

Step-by-step explanation:

Using the method of cross- product

• \frac{a}{b} = \frac{c}{d} ⇒ ad = bc, thus

85.8 × 9 = 11 × 70.2 = 772.2

7 0
3 years ago
A recipe calls for 2 2/4 cups of raisins , but julie only has a 1/4 cup measuring cup. how many 1/4 cups does julie need to meas
Veronika [31]
She needs to put in 10 scoops 
5 0
3 years ago
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