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julia-pushkina [17]
3 years ago
8

Which of the following is a true proportion

Mathematics
2 answers:
miskamm [114]3 years ago
4 0

Answer:

What's the question

Step-by-step explanation:

jekas [21]3 years ago
4 0

Answer:

C

Step-by-step explanation:

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Y=2 when x=8<br> &amp;<br> y=-3 when x=1
Natasha_Volkova [10]
Y=k/x is inverse

y=2
x=8
2=k/8
times 8
16=k
the equation is
y=16/x

second

y=k/x
-3=k/1
-3=k

the equation is y=-3/x


they are
for y=2, x=8 it is y=16/x
and  for y-3, x=1 it is y=-3/x
6 0
3 years ago
A translation moves P(0,5) to P'(3,1). What are the coordinates of the image
aniked [119]

Answer:

xxxxxxzzzjjznzjsbsbsbshj

Step-by-step explanation:

sekjxhxjdjdknxxbbxjdkekmdkdkddo

3 0
3 years ago
Help asap, with good explaination please
Verizon [17]

Answer:

60 cubes

Step-by-step explanation:

10 times 6

6 are in each layer but there are 12 going down layer by layer

so 10 times 6 equal 60

the actuall answer is 60

= 60

7 0
3 years ago
Find two positive real numbers whose product is a maximum. the sum is 80
Eduardwww [97]
Let's say the numbers are "a" and "b"

thus \bf y=ab\qquad &#10;\begin{cases}&#10;a+b=80\\&#10;b=80-a&#10;\end{cases}\implies y=a(80-a)\implies y=80a-a^2\\\\&#10;-----------------------------\\\\&#10;\cfrac{dy}{da}=80-2a

set the derivative to 0, and check the critical points, there's only one anyway

and do a first-derivative test, to see if it's a maximum
4 0
3 years ago
Read 2 more answers
Custom Greetings places an order for 300 reams of card stock paper. Its supplier offers Custom Greetings a 35% trade discount. I
Y_Kistochka [10]

Answer:

<em>Net price: $4972.50</em>

Step-by-step explanation:

<u>Percentages</u>

We know a ream of paper has a list price of $25.50. Custom Greetings placed an order for 300 of them. If they have purchased them at list price, the total price would have been

300*25.50=$7,650

But we also know there was a 35% trade discount, so the net price of their order is

$7,650-$7,650*35/100=$4972.50

7 0
3 years ago
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