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Lilit [14]
3 years ago
10

A lamp in the shape of a triangular pyramid has a height of 17 inches. The area of the base of the lamp is 90 square inches.

Mathematics
1 answer:
mihalych1998 [28]3 years ago
3 0

Answer: A-

Step-by-step explanation:

Took the quiz

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Dan's school is selling tickets to a play. On
katrin [286]

Answer: $9.50

Step-by-step explanation:Let's define the variables:

A = price of one adult ticket.

S = price of one student ticket.

We know that:

"On the first day of ticket sales the school sold 1 adult ticket and 6 student tickets for a total of $69."

1*A + 6*S = $69

"The school took in $150 on the second day by selling 7 adult tickets and student tickets"

7*A + 7*S = $150

Then we have a system of equations:

A + 6*S = $69

7*A + 7*S = $150.

To solve this, we should start by isolating one variable in one of the equations, let's isolate A in the first equation:

A = $69 - 6*S

Now let's replace this in the other equation:

7*($69 - 6*S) + 7*S = $150

Now we can solve this for S.

$483 - 42*S + 7*S = $150

$483 - 35*S = $150

$483 - $150 = 35*S

$333 = 35*S

$333/35 = S

$9.51 = S

That we could round to $9.50

That is the price of one student ticket.

4 0
3 years ago
There are 10 circles and 6 squares. What is the simplest ratio of squares to total<br> shapes?
DENIUS [597]

Answer:

The simplest ratio would be 5:3

Step-by-step explanation:

Both 10 and 6 can be divided by 2.

They turn into 5 and 3.

Since you can't make 5 and 3 any smaller, this will be the answer.

5:3

Hope this helped! :D

4 0
2 years ago
Please help me with my homework I need to submit it tomorrow on tuesday
otez555 [7]
1. Yes
2. No
3. 46.6 (recurring)
5. 22'
Sorry this is all I can do. Hope this helps :)
3 0
4 years ago
Erica solved the equation −5x − 25 = 78; her work is shown below. Identify the error and where it was made.
Romashka-Z-Leto [24]
In step one, you are supposed to add 25 to both sides, because if you just subtract, it would be -5x-50=53
8 0
3 years ago
Restaurant is making hamburgers. The cooks use
likoan [24]

Answer:

70.69

Step-by-step explanation:

46 2/3 divided by 2/3

46.66 divided by 0.66

The anwser is 70.69

If the cook makes twice as much beef then the number of hamburgers would be two times larger which would be 141.39.

Half as much beef would be 70.69 divided by two which is 35.34.

5 0
3 years ago
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