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Tema [17]
3 years ago
7

Find the height of a square pyramid that has a volume of 75 ft.³ and a base length of 5 feet

Mathematics
1 answer:
elena-s [515]3 years ago
5 0
I don't know but I guess there is an answer
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There are 30 students in Mrs. Taylor's kindergarten class. If there are twice as many students with blond hair as with blue eyes
weqwewe [10]

Answer:

  11

Step-by-step explanation:

Let e represent the number of students with blue eyes. Then the number of students with blond hair is 2e. The total number of students is ...

  3 + e + 2e -6 = 30

We subtracted 6 because the expressions e and 2e cause the 6 students with both blond hair and blue eyes to be counted twice.

  3e = 33 . . . . add 3 and simplify

  e = 11

11 students have blue eyes.

5 0
3 years ago
What is the correct name for a 9-sided polygon?<br><br> decagon<br> octagon<br> nonagon<br> ninagon
Anni [7]

Answer:

nonagon

Step-by-step explanation:

The correct name for a 9-sided polygon is <u>nonagon</u><u>.</u>

4 0
3 years ago
Read 2 more answers
I need help with this question this is new to me
Romashka-Z-Leto [24]

Answer:

kuhaa ka timbangan

Step-by-step explanation:

1/4 ang kilo ng tilapya

7 0
3 years ago
Susan is writing a linear equation for the cost of her cell phone plan. In the first month, she talks for 52 minutes and is char
Alex787 [66]
Assuming that the cost per minute is the same for both months and the plan fee is the same, you can use y=mx+b for this

y is the cost of the phone plan, x is the cost per minute and b is the start cost.

so    19.41=25x+b for the first month
and  45.65=380x+b for the second month

solve both for b you get:
19.41-25x=b and 45.65-380x=b.  from this we get
19.41-25x=45.65-380x

solve for x

328x=26.24 and x=0.08

this means the cost per minute is 0.08c/min (answer A)

rewrite the equation to calculate b, and where this time, the x is the number of minutes talked.

y=0.08x+b and plug in one of the two months

45.65=0.08 * 380 + b

Solve for b and b is 15.25

so the final equation is

y=0.08x+15.25  (answer B)
5 0
4 years ago
Tickets to a concert cost $70, or $20 with a student discount. Ticket sales must exceed $500,000 for the group to perform. If 20
Angelina_Jolie [31]

Solution:

Let x = the number of $70 seats sold

Let y = the number of $20 seats sold

x+y ≤ 20,000

70x+20y > 500,000

4 0
3 years ago
Read 2 more answers
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