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3 years ago

Louisa (L) is five years less than three times Brie’s age. Together, their age totals 43. How old is Louisa?

Mathematics

2 answers:

Dmitry_Shevchenko [17]3 years ago

7 0

Twelve k did it mmmmmmmm

nirvana33 [79]3 years ago

3 0

It twelve k did it 29363

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I need help with this question

egoroff_w [7]

Answer:

V= 432mm^3

Step-by-step explanation:

volume of a rectangular prism is width times length times height.

or V= w x l x h

so the volume is all three numbers multiplied together. This gets 432.

the units are mms, and we are finding the volume of a 3 dimensional object. so it is always going to be raised to the power of three.

5 0

3 years ago

Read 2 more answers

Let N+2 denote the natural numbers greater than or equal to 2. Let mRn if gcd(m, n) > 1. The binary relation R on N2 is

GaryK [48]

Answer:

a) Reflexive, Symmetric, Not Transitive

Step-by-step explanation:

Given $a\in N+2$ we have that $a\ge 2$ and then $\gcd(a,a)=a\ge 2$ thus the binary relation is reflexive. To show that is symmetric note that for $a,b\in N+2$ we have $\gcd(a,b)=\gcd(b,a)$ which implies the symmetric. In fact, the relation is <u>not</u> transitive, for example note that $\gcd(7,7^2)=7$ and $\gcd(5^2,5)$ but $\gcd(7,5)=1$ .

6 0

4 years ago

Lillian bought 2.52 pounds of tomatoes and 1.26 pounds of lettuce to make a salad for 18 people. If each person got the same amo

Nookie1986 [14]

You have to add 2.52 and 1.26 and divide it by 18!

8 0

4 years ago

Place the steps for finding f -1(x) f(x)=2x+5

olya-2409 [2.1K]

Answer:

$f^{-1}(x) = \frac{x-5}{2}$

Step-by-step explanation:

$f(x) = 2x+5$

Step 1) Replace y = f(x)

$y = 2x+5$

Step 2) Exchange x and y

$x =2y+5$

Step 3) Solve for y

$x =2y+5$

Subtracting both sides by -5

$x - 5= 2y$

$2y = x-5$

Dividing both sides by 2

$y = \frac{x-5}{2}$

Step 4) Replace $y = f^{-1}(x)$

$f^{-1}(x) = \frac{x-5}{2}$

3 0

3 years ago

Two fewer than a number doubled is the same as the number decreased by 38. if n is "the number," which equation could be used to

Alona [7]

$\displaystyle \\ 
\text{We use the following equation:} \\ \\ 
 \frac{n}{2} = n - 38 \\ \\ 
We solve for n: \\ \\ 
 \frac{n}{2} = n - 38 ~~\Big| \times 2 \\ \\ 
n = 2 \times n - 2 \times 38 \\ \\ 
n = 2n - 76 \\ \\ 
2n - n = 76 \\ \\ 
\boxed{n = 76} \\ \\ 
\text{Verification: } \\ \\ 
\frac{n}{2} = n - 38 \\ \\ 
\frac{76}{2} = 76 - 38 \\ \\ 
\boxed{38 = 38 ~~~ Correct }$

8 0

4 years ago