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Sveta_85 [38]
2 years ago
10

What’s the value of (-1/2) -4

Mathematics
1 answer:
Tatiana [17]2 years ago
8 0

Answer: -4.5

Step-by-step explanation:

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Really need help not good in geometry
Mandarinka [93]

Answer:18

Step-by-step explanation:It is the same shape just 3 times the size.

4 0
3 years ago
How do you simplify 420/450?
MatroZZZ [7]
<span><span>Find the GCD (or HCF) of numerator and denominator
GCD of 420 and 450 is 30</span><span>Divide both the numerator and denominator by the GCD
(420/30)/(450/30)</span><span>Reduced fraction: 14/15</span></span>

Equivalent fractions

7 0
3 years ago
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It took a submarine 3 seconds to drop to 12 feet below sea level from the surface. what is the rate of descent
kotegsom [21]
For everyone 4 feet he drops, 1 second will pass. (for everyone 1 second that goes by, he will be 4 feet lower)
12/3=4
4 0
2 years ago
Nelson mows lawns. He uses the equation 15x – 95 = y to find the profit, y, in dollars. He paid $95 for supplies and earns $15 f
Dovator [93]
The answer is B because every time Nelson mows a lawn, he will earn $15 each.
6 0
2 years ago
Read 2 more answers
What is the inverse of f(x)= cube root of x +2.
DiKsa [7]
F(x)=\sqrt[3]{x+2}
to solve for the inverse of a function you do 4 steps:
1. subsitute f(x) with y
2. switch y and x places
3. solve for y
4. subsitute y with f⁻¹(x)

so we have
f(x)=\sqrt[3]{x+2}
subsitute f(x) with y
y=\sqrt[3]{x+2}
switch x and y
x=\sqrt[3]{y+2}
solve for y

x=\sqrt[3]{y+2}
cube both sides
x^{3}=y+2
subtract 2 from both sides
x^{3}-2=y

subsitute y with f⁻¹(x)
f⁻¹(x)=x^{3}-2



the answer is f⁻¹(x)=x^{3}-2



8 0
3 years ago
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