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Y_Kistochka [10]
3 years ago
13

Sofia is a helper for the kindergarten class and is in charge of picking a video for their end-of-year party to choose which typ

e of movie they would like best she decides to survey every other child entering a matinee for a cartoon called three pretty princess the total number of children survey was 40 what is wrong with the way she selected her sample check all that apply
Mathematics
2 answers:
ladessa [460]3 years ago
5 0

Answer:

a,c,d

Step-by-step explanation:

Andreyy893 years ago
3 0

Answer:

a c d

Step-by-step explanation:

i took the test

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What is the slope of this skateboard ramp if it rises 1.2 meters above the ground and runs 4 meters horizontally at the base?
Nesterboy [21]
By definition, the slope is the inclination of a line in relation to the horizontal. It can be expressed in degrees, ratios and even in percent. Therefore, you can calculate it by applying the following formula:
 
 P%=(H/L)x100
 
 P% is the slope expressed in percent.
 H is the height (H=1.2 meters).
 L is the length (L=4 meters).
 
 When you substitute these values into the formula P%=(H/L)x100, you obtain the slope of the skateboard ramp:
 
 P%=(H/L)x100
 P%=(1.2 meter/4 meters)x100
 P%=0.30x100
 P%=30%
8 0
3 years ago
Noah and his friend Tyree are involved in a math challenge. Noah solves 115 problems in 2 min. Tyree solves 172.5 problems in 3
Natasha2012 [34]

C) They solve the same number of problems per minute

172.5 Divided by 2

115 divided by 2

= 57.5

6 0
3 years ago
Read 2 more answers
Diego has two jobs. He works 3 hours at the library each day, making $8 per hour. In addition, he works at a coffee shop, making
Zepler [3.9K]

Answer:

  • D.  l = 3  ||  4 < c < y   ||  8l + 7.5c ≥ 70

Step-by-step explanation:

<h3>Work at library</h3>
  • Time  = 3 hours ⇒ l = 3
  • Payment = $8 per hour
  • Total payment = 8l
<h3>Work at coffee shop</h3>
  • Time = between 4 and 7 hours ⇒ 4 < c < 7
  • Payment = $7.5 per hour
  • Total payment = 7.5c

Target income = at least $70 daily  

<u>So the system as per above parameters:</u>

  • l = 3
  • 4 < c < y
  • 8l + 7.5c ≥ 70

Correct option is D

3 0
3 years ago
Is 19 2/9 a integer​
satela [25.4K]

Answer:No

Step-by-step explanation: Integers are whole numbers that can be positive or negatives no decimals or fractions.

3 0
3 years ago
Whats up you mofos good morning
Paul [167]

yap mofos morning good

6 0
3 years ago
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