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irina1246 [14]
3 years ago
11

Can someone help meee this is due soon T^T

Mathematics
2 answers:
givi [52]3 years ago
6 0

Answer: x= 45

Step-by-step explanation:

White raven [17]3 years ago
4 0
Answer is x=45 pretty sure
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Y=-2/5x<br> a. direct <br> b. inverse <br> c. neither
disa [49]

Answer:

a. direct

Step-by-step explanation:

direct variation is y = kx and y = -2/5x is written in direct variation.

7 0
2 years ago
Question 12 1 pts If the population of a country is reported in the year 1990 as 471.56 million and in the year 2000 as 492.53 m
I am Lyosha [343]

Answer:

  526.39 million

Step-by-step explanation:

The exponential equation can be written as ...

  p(t) = 471.56(492.53/471.56)^(t/10)

Then p(25) ≈ 525.75 . . . . million

__

The closest answer choice is 526.39 million.

__

<em>Comment on the answer choice</em>

Reverse-engineering the answer, we find it was computed using the exponential equation ...

  p(t) = 471.56e^(0.0044t)

  p(25) = 471.56·1.116278 ≈ 526.39

The k factor in the exponent is <em>inappropriately rounded</em> from 0.004350903. You cannot use a 2-significant-figure constant to arrive at an accurate 5-significant-figure answer.

3 0
3 years ago
A sandwich shop loses $1.20 every time somebody buys a sandwich, but makes $1.80 every time somebody buys a drink. One day, the
levacccp [35]

Answer:

A, B, and C

I think. Please let me know if wrong.

Heres what i did:

1.8 x 100 = 180.

180 - 80 = 100

(they made over 100 in profit)

A. 1.2 x 0 = 0

B. 1.2 x 40 - 48

C. 1.2 x 60 = 72

D. 1.2 x 70 = 84

E. 1.2 x 80 =96

D and E bot Exceed 80 so it has to be AB and C

Hope this Helps ☺

6 0
3 years ago
"three-fourths of a number" "<br><br><br>​
Shtirlitz [24]

Answer:

3/4 * number

Step-by-step explanation:

of = * (times) alot of the times

5 0
3 years ago
You bought a magazine for $5 and some notepads for $3 each.you spent a total of $26 .
Snezhnost [94]
26 - 6 = 21
21÷ 3 = 7

7 notepads


5 0
3 years ago
Read 2 more answers
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