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3 years ago

What is the multiplicative inverse of −18?

Mathematics

2 answers:

lakkis [162]3 years ago

8 0

Answer: 1/18

Step-by-step explanation: the last answers were from people who tried very hard and i am disappointed in whoever reported them, i helped out everyone by looking up the answer and got 1/18

anyway hope this helped! please vote my good friend, zykeriarutledge brainliest!

AlexFokin [52]3 years ago

6 0

Answer:

1/18 i know it is right

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Dafna11 [192]

3/7 top and bottom are divisible by 12

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3 years ago

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2 years ago

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The equation of the piecewise function f(x) is below. What is the value of f(3)?

JulijaS [17]

Option B: 5 is the value of f(3)

Explanation:

The equation of the piecewise function is given by

$f(x)=\left\{\begin{aligned}-x^{2}, & x$

We need to find the value of $f(3)$

The value of the function f can be determined when $x=3$ by identifying in which interval does the value of $x=3$ lie in the piecewise function.

Thus, $x=3$ lies in the interval $x\geq 0$ , the function f is given by

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Substituting $x=3$ in the function $f(x)=x+2$ , we get,

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Therefore, Option B is the correct answer.

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3 years ago

Once a week you babysit your neighbor’s toddler after school, usually going to a local playground. You notice that each swing on

Ira Lisetskai [31]

Answer:

3.9 units

Step-by-step explanation:

We are given that,

Time taken by each swing = 2.2 seconds

The pendulum formula is given by, $T = 2\pi \sqrt{\frac{L}{32}}$ , where T is the time taken and L is the length of the swing.

So, we have,

$2.2= 2\pi \sqrt{\frac{L}{32}}$

i.e. $\frac{2.2}{2\pi}=\sqrt{\frac{L}{32}}$

i.e. $(\frac{2.2}{2\pi})^{2}=\frac{L}{32}$

i.e. $L=32\times (\frac{2.2}{2\pi})^{2}$

i.e. $L=32\times \frac{4.84}{4 \pi^2}$

i.e. $L=32\times \frac{1.21}{\pi^2}$

i.e. $L=\frac{38.72}{9.87}$

i.e. L = 3.923 units

So, rounded to tenths, the length of the swing is 3.9 units.

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3 years ago

Number 1. The science club went on a two-day field trip. The first aid the members paid $60 for transportation plus $15 per tick

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If x is the number of students on the field trip:
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3 years ago