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skad [1K]
3 years ago
6

Consider the proportion 3:4 = 6:8. What is true about the cross products?

Mathematics
2 answers:
vitfil [10]3 years ago
7 0
Cross products are equal
vagabundo [1.1K]3 years ago
6 0
By the proportion 3 : 4 = 6 : 8, shoul be:

product of means is 4*6 = 24
and product of extremes is 8*3 = 24

so cross product are equal

hope this help
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Help me with these questions
Gwar [14]
#3 is 4:5:8
#4 is 5:3:10

I think those are the answers, hope that helped.
6 0
3 years ago
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Assoli18 [71]

Answer:

B just did the test

Step-by-step explanation:

8 0
3 years ago
for the opening day of a carnival, 800 admission tickets were sold. The receipts totaled $3775. Tickets for children cost $3 eac
zloy xaker [14]
Total tickets sold  = 800
Total revenue = $3775

Ticket costs:
$3  per child,
$8  per adult,
$5 per senior citizen.

Of those who bought tickets, let
x =  number of children 
y = number of adults
z = senior citizens

Therefore
x + y + z = 800                   (1)
3x + 8y + 5z = 3775           (2)

Twice as many children's tickets were sold as adults. Therefore
x = 2y                                (3)

Substitute (3) into (1) and (2).
2y + y + z = 800, or
3y + z = 800, or
z = 800 - 3y                        (4)
3(2y) + 8y + 5z = 3775, or
14y + 5z = 3775                 (5)

Substtute (4) nto (5).
14y + 5(800 - 3y) = 3775
-y = -225
y = 225
From (4), obtain
z = 800 - 3y = 125
From (3), obtain
x = 2y = 450

Answer:
The number of tickets sold was:
450 children,
225  adults,
125 senior citizens.
6 0
3 years ago
Factor x4+6x2+9 completely.
Nata [24]

Is it to the 4th power and the second power if so it is:

( x ^2 − 3 ) ^2

3 0
3 years ago
PLEASE HELPPP<br>Which one is equivalent??​
Yuliya22 [10]

Answer:

the answer is A AND WE LOVE BILLIE

Step-by-step explanation:

7 0
3 years ago
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