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nirvana33 [79]
4 years ago
10

What is the answer to 2(x-3)+7=4(x+1)-2

Mathematics
1 answer:
Hatshy [7]4 years ago
3 0
2(x-3)+7=4(x+1)-2 \\\\ 2x-6+7=4x+3 \\\\ 2x+1=4x+3 \\\\ 2x-4x=3-2 \\\\ -2x=1 \\\\ \boxed{x=-\frac{1}{2}}
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The base of a ladder is placed 5 feet away from a 13 foot tall wall. What is the minimum length ladder needed to reach the top o
zimovet [89]
Apply the Pythagorean theorem

a^2 + b^2 = c^2

a = 5, b = 13.

5^2 = 25, 13^2 = 169

25 + 169 = 194

square root 194 = 13.928, rounded to nearest foot = 14 ft. 

The minimum ladder length required to reach the top of the wall = 14 ft. 
  
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4 0
3 years ago
Read 2 more answers
D +23 equals 40 evaluate
Paha777 [63]

Answer:

D=17

Step-by-step explanation:

D+23=40

D+23-23=40-23

D=17

3 0
3 years ago
Plz try your best do not quess
4vir4ik [10]

Answer:

4,000,000,000,000

Step-by-step explanation:

Make it look like this first:

\frac{6*10^8}{1.5*10^-4}

You get:

4*10^{12}

Which is 4,000,000,000,000

3 0
3 years ago
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4) A 60 kg astronaut pushes against a 120 kg satellite with a force of 15 N. How much force does the satellite exert on the astr
Mkey [24]

Answer:

30n

Step-by-step explanation:

7 0
3 years ago
Please help with hair question- it’s in the photo
Levart [38]
Salutations!

Growth meters per second = 4.8 × 10^{-9}

First, you need to convert standard form into a normal number.

4.8 × 10^{-9} = 4.800000000

a) In one day there are 24 hours, therefore you will multiplying 4.800000000 and 24

4.800000000 × 24 = 115.2  = 115.2 × 10^{-9} (standard form)

b) 365 days in a year, so multiply 4.800000000 and 365

4.800000000 × 365 = 1752 = 1.7 × 10^{3} (standard form)

Hope I helped (:

have a great day!
3 0
3 years ago
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