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Alexeev081 [22]
3 years ago
9

Solve for the unknown number in the equation 37 − 16 = ________ − 12

SAT
2 answers:
aliina [53]3 years ago
8 0

Answer: the answer is 33

Explanation: when u subtract 37 and 16 u get 21 meaning the number u subtract from 12 must also equal 21 so all u had to do was find out 37 - 16 and then add that to 12 hope this helped !

olganol [36]3 years ago
4 0

Answer:

33

Explanation:

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Soon Yi loves to bake, and she is making flaky pastry. Soon Yi starts with a layer of dough 222 millimeters (\text{mm})(mm)left
frozen [14]

Answer:

3 times

Explanation:

When the dough is folded, it increases by a constant factor. We can model the growth of the thickness using the exponential growth model

T(n)=T_0(1+r)^n

Where:

Initial thickness, T_0 = 2mm

Growth factor, r =8%=0.08

We want to find the smallest number of times Soon Yi will have to roll and fold the dough so that the resulting dough is at least 2.5mm.

i.e When T(n)\geq 2.5$ mm

2(1+0.08)^n\geq 2.5\\2(1.08)^n\geq 2.5\\$Divide both sides by 2$\\\dfrac{2(1.08)^n}{2}\geq \dfrac{2.5}{2}\\\\1.08^n\geq 1.25\\\\$Change to logarithm form\\n \geq \log_{1.08}1.25\\\\n\geq \dfrac{\log 1.25}{\log 1.08} \\\\n\geq 2.9

Therefore, the smallest number of times Soon Yi will have to roll and fold the dough so that the resulting dough is at least 2.5mm thick is 3.

4 0
3 years ago
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Guys please help me solve this equation <br><img src="https://tex.z-dn.net/?f=h%20%3D%204%20%2B%2020t%20-%20%20%7B5%7D%5E%7B2%7D
Usimov [2.4K]

the answer is option A have a good day

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