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Luba_88 [7]
3 years ago
5

Unit test answers grade 4

Mathematics
2 answers:
Ksenya-84 [330]3 years ago
5 0

Answer:

4th grade questions?

I can easily help you with those.

What are your questions?

Alexeev081 [22]3 years ago
3 0

the answer id g oo gle it will help u for sure

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Please help explain each problem thank you have a great day
boyakko [2]
Part A. 250+45a=t
That's because 'a' is the variable in which we don't know how many appointments she will have. 'a' times the $45 would be in the equation. Then you would have to add the $250 for the tests and medicines.So 250+45a=t
Part B.(250+45a)-(25%*t).
That's because the first set in parentheses is the total cost. You would have to subtract that buy the discount times the total cost which represents the the second set of the equation.:)
Part C.25%*6 appointments equals 1.5. You have to solve (250+45) and then multiply 25%*6.That product plus (250+45) would be your final answer.U won't tell you the answer because it would help.U would need explanation.This is how I would answer the question.Hope this helped
8 0
3 years ago
Can someone help me we this pls marking brainlist
Dafna11 [192]

Answer:

that- y= 12/22x + 14, I think-

Step-by-step explanation:

sorry if its wrong- cuz it prolly iz but I tried-

7 0
3 years ago
Read 2 more answers
the lateral area of a right circular cone is 20pi cm^2 and the total area is 36pi cm^2 find the volume of the cone
Lady bird [3.3K]
Let r = radius, h = height and l = slant height 

Lateral area = rlpi 

But l = sqrt(r^2 + h^2) 

Lateral area = r sqrt( r^2 + h^2) pi = 20 pi..................(1) 

Total area = r sqrt( r^2 + h^2) pi + r^2 pi = 36pi......(2) 

Subtract (1) from (2) 

r^2 pi = 16 pi 

r^2 = 16 

r = 4 cm 

Put this value in (1) to find h 

4sqrt(4^2 + h^2) pi = 20 pi 

sqrt(16 + h^2) = 5 

Square both sides 

16 + h^2 = 25 

h^2 = 9 

h = 3 cm 

Now that we know h and r we can find the volume 


V = 1/3 pi r^2 h 

= 1/3 pi (4^2)(3) 

<span>= 16 pi cm^3 .........( = 50.27 cm^3)

I hope my answer has come to your help. God bless and have a nice day ahead!
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8 0
3 years ago
Read 2 more answers
Write a compound inequality to represent all of the numbers between -4 and 6.
barxatty [35]

Answer:

-4 < x < 6

Step-by-step explanation:

3 0
3 years ago
Natasha has 13 apples some apples are red and some are green she has more red apples than green apples how many red apples and h
shusha [124]
Answers may vary here are all the possible answers:

(R) = red
(G)= green
12 (R) 1 (G)
11 (R) 2 (G)
10 (R) 3 (G)
9 (R) 4 (G)
8 (R) 5 (G)
7 (R) 6 (G)
3 0
3 years ago
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