2 years ago

8/7 x 7/8 solve this.

Mathematics

2 answers:

Helen [10]2 years ago

8 0

Answer: 1

Step-by-step explanation: Because it is

LuckyWell [14K]2 years ago

4 0

Answer: 1

Step by step: i think

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Tom is 4 more than twice Andrew's age. Sara is 8 less than 5 times Andrew's age. If Tom and Sara are twins, how old is Andrew?

Ket [755]

T=2A+4
S=5A-8
If Tom and Sara are 10 years old,
10=2A+4
6=2A
3=A
Not sure though

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2 years ago

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Write an expression: the product of three and the quantity x minus 2

Anna35 [415]

3x-2 is the expression.

Hope this helps!

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2 years ago

Inverse function of y=x^2+3

frozen [14]

Answer:

y = ± $\sqrt{x-3}$

Step-by-step explanation:

step 1: substitute 'x' for 'y'

x = y² + 3

y² = x - 3

last step: solve for 'y'

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2 years ago

Rewrite and simplify ln(4500) in terms of ln5 and ln6

Yuliya22 [10]

$\bf \textit{logarithm of factors}\\\\
log_{{ a}}(xy)\implies log_{{ a}}(x)+log_{{ a}}(y)
\\\\\\
\textit{Logarithm of exponentials}\\\\
log_{{ a}}\left( x^{{ b}} \right)\implies {{ b}}\cdot log_{{ a}}(x)\\\\
-------------------------------\\\\
4500\implies 6\cdot 6\cdot 5\cdot 5\cdot 5\implies 6^2\cdot 5^3
\\\\\\
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2 years ago

Given: E is the midpoint of DF<br> Prove: 2DE = DF

Lostsunrise [7]

E is the midpoint so it's HALF of DF

Since it's half that means DE and EF have the same length.

Therefore DE multiplied by 2 is DF.

Considering DF is the full length.

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3 years ago

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