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Gnesinka [82]
3 years ago
14

Help please I’m struggling

Mathematics
2 answers:
Lapatulllka [165]3 years ago
5 0

Answer:

28 more kids chose Art than Computer Lab.

Step-by-step explanation:

34 kids chose art.  kids schose computer lab.

Take6 from 34 to find out how many kid chose Art than Computer Lab

34 - 6 = 28

28 more kids chose Art than Computer Lab.

lina2011 [118]3 years ago
4 0
34-6=28
The correct answer is 28
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Adam is going to make concrete. He is going to use 180 kg of cement. 375 kg of sand. 1090 kg of stone. Cement, sand and stone ar
hichkok12 [17]

Answer:

2 bags of stone

Step-by-step explanation:

Lets do one at a time.  Cement first.

he needs 180 kg of cement.

1 bag is 25 kg, so in total he needs 8 because 7 would get him 175, so he would need just a little bit more.  And I assume you can't but part of a bag he needs to but one full more bag.  If he already has 8 then he doesn't need any more.

Needs 375 kg of sand

Each bag has 22.5 kg inside

he needs 17 bags total of sand because 16 would only give 360

Since he already has 19 bags he has 427.5 kg of sand so he doesn't need any more.

Needs 1090 kg of stone

Each bag has 50 kg of stone

He needs 22 bags since 21 would just give him 1050 kg

He has 20 so he needs two more bags

So in total he needs two bags of stone.  Let me know if there was anything you didn't understand.  

5 0
3 years ago
F f(x) = 2x2 + 1 and g(x) = x2 – 7, find (f + g)(x).
shutvik [7]
2x2 + 1 + <span> x2 – 7
= 3x2 - 6

answer is </span><span>C. 3x2 – 6</span>
4 0
3 years ago
99 Points Need Help! How to reflect over y= -x+6
iragen [17]
To reflect in the line y = -x + 6, we translate everything down 6 first. This will make it seem like we are reflecting in the line y = -x
                                 (x,y) → (x, y-6)
Then, to reflect in the line y = -x, we switch the x- and y-coordinates and then make them negative
                                 (x,y) → (-(y-6), -x)     
Then we move everything back up again
                                 (x,y) → (-(y-6), -x + 6)          
I will present to you an example. Reflect the point (-4, 8) in the line y = -x + 6.
                                 (-4,8) → (-(8-6), -(-4) + 6) → (-2, 10)
You should graph this out to confirm with the reflection line.
6 0
3 years ago
Read 2 more answers
The shape of a satellite dish can be described as parabolic. Satellite dishes are this shape because radio waves are reflected f
lisov135 [29]
The focus of this parabola is at
(0, \frac{1}{4(\frac{1}{8})})=(0, 2)
6 0
3 years ago
Read 2 more answers
A tree cast a shadow of 30m long and a 2m stick casts one that is 3m long. As show in the below diagram how tall is the tree?​
PSYCHO15rus [73]

Answer:

  • 20 m

Step-by-step explanation:

<u>We have similar triangles here.</u>

  • BC║DE, AB║AD and AC║AE ⇒ ΔADE ~ ΔABC

<u>The ratio of corresponding sides of similar triangles is same:</u>

  • BC/DE = AC/AE
  • BC / 2 = 30/3
  • BC / 2 = 10
  • BC = 2*10
  • BC = 20 m
6 0
3 years ago
Read 2 more answers
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