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vovikov84 [41]
3 years ago
13

I really need help with letter O in the top right.

Mathematics
1 answer:
dimaraw [331]3 years ago
7 0
The answer: 1 2/3 or 5/3
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Fie ABCDA'B'C'D' o piramida dreapta cu baza un patrat ABCD. Lungimea laturilor AB si AA' sunt direct proportionale cu numerele 3
ASHA 777 [7]
Please ask the question in English, if you are not able to, I believe you are in the wrong language section and suggest you try something else before you get your question taken down. 
8 0
3 years ago
Write and solve a system of equations to determine how many tickets were sold before and at the music festival. PLEASE HELPPP
strojnjashka [21]

b = number of tickets sold before

a = number of tickets sold after

cost of a ticket = number of tickets times cost per ticket

before cost = 39.95b

after cost = 54.95a

total cost = 925000

39.95b + 54.95a = 925000

total number tickets = 20000

b + a = 20000

we have

39.95b + 54.95a = 925000

b + a = 20000

multiply second equation by -39.95 and add to first equation

39.95b + 54.95a = 925000

-39.95b-39.95a = -799000 +

0b+15a = 126000

15a = 126000

divide bot sides by 15

a = 8400

sub back

b + a = 20000

b+8400 = 20000

minus 8400 both sides

b = 11600

11,600 tickets sold before

8400 tickets sold after

3 0
3 years ago
Make y the subject<br> z+2 = 2/1-y
s344n2d4d5 [400]
Y= subject or y1/2=2
3 0
2 years ago
Which of the following does NOT describe x - 42
geniusboy [140]

Answer:

4 less than x

7 0
3 years ago
What is the sum of a seven-term geometric series if the first term is -2, the last term is
ExtremeBDS [4]

Answer:

-26042

Step-by-step explanation:

sum of a finite geometric series =

\frac{a_1(1-r^n)}{1-r}

here, a1 is the first term, r is the common ratio, and n is the number of terms

a1 = -2

r = -5

n = 7

\frac{a_1(1-r^n)}{1-r} = \frac{-2(1-(-5)^7)}{1-(-5)} = -26042

8 0
2 years ago
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