Monica has 3$ in her wallet .If this is 10 percent of her monthly allowance what is her monthly allowance

Mathematics

2 answers:

Maru [420]3 years ago

6 0

Her monthly allowance would be 30$ since 3$ x 10=30.

FrozenT [24]3 years ago

3 0

It would be $3x10=30.

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During his workouts last week, Allen jogged the same amount of time each day for 6 days. Use the following information to determ

Stella [2.4K]

So you have to break it down
Each workout he jogged and rode his bike
Everyday he jogged for for 45 minutes
He totaled 360 minutes for the week.

There are seven days in a week so divide the 360 by the 7 51 3/7 minutes everyday
Subtract 45 from it 6 3/7
So the answer is he jogged 6 minutes and around 26 seconds everyday
(Concert the 3/7 to seconds by my tip lying it by 60)

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3 years ago

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Select all the equations that have x=4 as the solution *

nirvana33 [79]

Answer:

A B D

Step-by-step explanation:

A 38+4=42

B 4+15=19

C 18= 20-2

D 32= 36-4

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3 years ago

(x+7)/(x^2-49) find the domain. show work

harina [27]

$\large\begin{array}{l} \textsf{Find the domain of}\\\\ \mathsf{f(x)=\dfrac{x+7}{x^2-49}}\\\\ \mathsf{f(x)=\dfrac{x+7}{x^2-7^2}}\\\\\\ \textsf{Factor out the denominator using special products:}\\\\ \textsf{(a difference of squares)}\\\\ \mathsf{f(x)=\dfrac{x+7}{(x+7)(x-7)}} \end{array}$

$\large\begin{array}{l} \textsf{Restrictions for the domain:}\\\\ \bullet~~\textsf{Denominators must not be zero:}\\\\ \mathsf{(x+7)(x-7)\ne 0}\\\\ \begin{array}{rcl} \mathsf{x+7\ne 0}&~\textsf{ and }~&\mathsf{x-7\ne 0}\\\\ \mathsf{x\ne -7}&~\textsf{ and }~&\mathsf{x\ne 7} \end{array} \end{array}$

$\large\begin{array}{l} \textsf{Therefore, the domain of f is}\\\\ \mathsf{D_f=\{x\in\mathbb{R}:~~x\ne -7~~and~~x\ne 7\}}\\\\\\ \textsf{or using a more compact form}\\\\ \mathsf{D_f=\mathbb{R}\setminus\{-7,\,7\}}\\\\\\ \textsf{or using the interval notation}\\\\ \mathsf{D_f=\left]-\infty,\,-7\right[\,\cup\,\left]7,\,+\infty\right[.} \end{array}$

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$\large\textsf{I hope it helps. :-)}$

Tags: <em>function domain real rational factorizing special product interval</em>

</span>

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3 years ago

Factor the expression 3b+18b+21

GrogVix [38]

Answer:

21b+21

Step-by-step explanation:

1. simply, combine like terms

3b t 18b +21

add 3b and 18b

it gives u 21b +21

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