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poizon [28]
3 years ago
11

X5+12x3-5x÷2x6+4x3+x2-2​

Mathematics
1 answer:
TEA [102]3 years ago
7 0
22 I think If I worked it out right
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Lynn paid $12.21 for ribbon. The cost per yard was $1.48.
just olya [345]

Answer:

D

Step-by-step explanation:

All we need to do is divide the values we are given.

12.21 / 1.48 = 8.25

Best of Luck!

7 0
2 years ago
Read 2 more answers
Help ASAP Please Thank You!​
sasho [114]

Answer:

Step-by-step explanation:

\frac{a^{m}}{a^{n}}=a^{m-n}\\\\\\\frac{x^{12}}{x^{10}}=x^{12-10}=x^{2}

3 0
2 years ago
The formula below, Newton's law of cooling, allows us to calculate the temperature of an object as it cools. T = R + (T0 − R)e-k
trasher [3.6K]
The Newton`s law of cooling:
T = R + ( To - R ) * e ^(-kt )
We know that: T = 32° F ( the water freezes at 32° F ), To = 55° F, R = 5° F
and the cooling rate is:  k = 0.012.
33° F = 5° F + ( 55° F - 5° F ) · 2.72^(-0.012 t )
33 - 5 = 50 · 2.72^(-0.012 t)
27 = 50 · 2.72^(-0.012 t)
2.72^(-0.012 t) = 27/50
1 / 2.72^(0.012 t) = 0.54
2.72^( 0.012 t ) = 1 : 0.54 = 1.85
0.012 t = log(base e) 1.85 = ln 1.85 = 0.6
t = 0.6 : 0.012 = 50
Answer: It would take 50 minutes.
 

7 0
3 years ago
Read 2 more answers
Describe how you would use the Distributive Property to simplify (39 × 5). (2 points)
alexandr402 [8]
Use of distributive property will be
(30 x 5) + (9 x 5)

21. the error for x - 28 = 375 is not 347 is because the student subtracted both sides by 28. 347 - 28 is 319 not 375. One must add 28 to both sides of -28 and 375. The -28 and 28 is zero. 375 + 28 = 403.

22. The next three terms are 0.93, 1.02, and 1.11. The rule in the number pattern is one must add 0.09.
5 0
3 years ago
Evaluate |-3| - |5|. - 8 - 2 2 8
Sedaia [141]
Is it subtract 228? if so then 3-5 equals -2. -2-8 equals -10. -10-228 equals -238
6 0
3 years ago
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