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2 years ago

Find ST. Round to the nearest tenth. HELP PLEASEEEE SHOW WORK!!

Mathematics

1 answer:

vladimir1956 [14]2 years ago

7 0

Answer:

Step-by-step explanation:

sin 44° = $\frac{63}{ST}$

ST = $\frac{63}{sin44}$

ST ≈ 90.7

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A set W of strings of symbols is defined recursively by 1. a, b, and c belong to W. 2. If x belongs to W, so does a(x)c. Which o

Vadim26 [7]

Answer:

a. a(b)c

b. a(a(b)c)c

d. a(a(a(a)c)c)c

Step-by-step explanation:

We are given the following in the question:

$a,b,c \in W\\\text{If } x \in W \Rightarrow a(x)c \in W$

a. a(b)c

It is given b belongs to W.

$b \in W\\\Rightarrow a(b)c \in W$

b. a(a(b)c)c

$a(b)c \in W\\\Rightarrow a(a(b)c)c \in W$

c. a(abc)c

a(abc)c does not belong to W because we cannot find x in W such that a(abc)c belongs to W.

d. a(a(a(a)c)c)c

$a \in W\\\Rightarrow a(a)c \in W\\\Rightarrow a(a(a)c)c \in W\\\Rightarrow a(a(a(a)c)c)c$

e. a(aacc)c

a(aacc)c does not belong to W because we cannot find x in W such that a(aacc)c belongs to W.

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3 years ago

2. Write the following expanded form: 3.26x10^(-2). *

Aleksandr [31]

Answer:

o.o326

Step-by-step explanation:

when dealing with negative exponents you move the decimal to the left

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3 years ago

Solve the system of equations.<br> 3x 2 y = 2<br> x+7y=4

lions [1.4K]

4/7 the question is relative

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3 years ago

Factor completely 4x5 − 20x4 − 36x3.

lakkis [162]

Answer:

the 2nd one is the answer :)

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3 years ago

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balandron [24]

Answer:

b) 9

Step-by-step explanation:

9 squared + 40 squared = 41 squared, which follows Pythagorean theorem.

7 0

3 years ago