Answer:
Step-by-step explanation:
Here are some steps to help you
Step 1
4x-3≥13 We are going to be simplifying
Step 2
4x-3≥13 Add 3 to the sides
4x≥16
Step 3
4x≥16 Divide them sides by 4
x≥4
So therefore your answer is x≥4
Hope this helps
Answer:
see explanation
Step-by-step explanation:
2 × 
= 2 × 10 × 10 × 10 × 10
= 2 × 100 × 100
= 200 × 100
= 20000
And
= 2 × 2 × 2 × 2
= 4 × 4
= 16
So, do get the answer, you have to find out who got more of the votes, either Carl Green or Maria Lewis. Once you have found out who has more votes, you take the bigger number and subtract the smaller number from it. If you get a negative number, or a number below 0, you have unfortunately have the wrong answer for the problem
Answer:
$2.99
Step-by-step explanation:
Given that:
Purchase price of cat calendar = $1.30
Markup = 100%
Hence, price at which the cat calendar was sold :
1.30 + 100%(1.35)
$1.30 + $1.30 = $2.60
Sales tax = 15%
Amount paid as sales. tax _
15% * 2.60 = $0.39
Total amount paid :
$2.60 + 0.39 = $2.99
Answer:
1) The student didn't add copper sulfate but instead he added calcium carbonate.
2) The heated solution should be left to get bigger crystals and should not be instantly allowed to evaporate.
3) He should use copper carbonate not calcium carbonate.
4) Sulfuric acid was added instead of hydrochloric acid.
5) Add solid excessively so that all of the acid is retained.
6) Filter the solution to remove unreacted solid.
7) Heat gently, so the crystals will start to appear.
