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3 years ago

Which equation has the solution x = 5? Select each correct answer.

Mathematics

1 answer:

Nady [450]3 years ago

4 0

Choices 1 and 3 are correct. I cannot tell about choice too, as there is no X

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If 1 cm represents 30 km on a map and colorado is shown by a 20cm by 15 cm rectangle on the map, what is the approximate actual

zubka84 [21]

Answer:

20*30km = 600km

15*30km = 450km

600km * 450km = 270000 km^2

Step-by-step explanation:

assuming 1cm --- 30km causes that 2cm --- 60km, 3cm --- 90km, 4cm --- 120km etc. Notice that number of km's is 30 times greater than the number of cm's on a map

using this logic, you calculate both real dimensions of Colorado by multiplying 20*30 = 600 km and 15*30 = 450km

Then we use a formula of an area of a rectangle $A=a\cdot b$ assuming $a=600km, \ b=450km$ and get $A=600\cdot 450=270000km^2$ which is an actual area of Colorado

3 0

3 years ago

2. Students who wish to represent the school at a school board meeting are asked to stop

ella [17]

Answer: Biased sample

Step-by-step explanation:

This is a biased sample because only students with strong opinions are likely going to volunteer or show interest in representing the school at the board meeting. This sample is a voluntary type sample, and at such the conclusion is not valid. This sample is biased because a group or population of students have a higher or lower sampling probability.

3 0

3 years ago

Help please<br><br> 3 + 3 + 2 x 2 x 1 = ?

kramer

3 + 3 + 2 x 2 x 1 = ?

3 + 3 = 6

2 x 2 = 4

6 + 4 = 10

10 x 1 = 10

Your answer is <u>10</u>

hope this helps!

3 0

3 years ago

I dont know this question i will give you brainly

Vinvika [58]

Answer:

11z/4+3/10

Step-by-step explanation:

Distribute first then combine like terms.

5 0

2 years ago

Read 2 more answers

Please help! asap multiple choice algebra 2

ddd [48]

Answer:

Step-by-step explanation:

hchfjtjjgjhkgiyggb bbhhu

4 0

2 years ago