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meriva
3 years ago
13

Please help me I really need it

Mathematics
1 answer:
Paladinen [302]3 years ago
6 0

Answer:

53/3

a

f

e

b

34

Step-by-step explanation:

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Solve the problem. Express your answer to the correct number of significant figures. 6. 221 × 7. 11 − 13. 7 =.
Tresset [83]

Answer:

30.5

Step-by-step explanation:

hope this helps mark me brainliest:)

7 0
2 years ago
A family goes to a restaurant. When the bill comes, this is printed at the bottom of it:
saw5 [17]

Answer:

$4.89 + $5.87 + $6.52 = $17.28

Step-by-step explanation:

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6 0
3 years ago
What’s 433 rounded to nearest hundreds
MAXImum [283]

Answer:

400

Step-by-step explanation:

Looking at the number 433, we have to look at the number in the tens place (in this case, 3) to determine if we will round down to 400, or up to 500.

Because the number 3 is less than 5, we will round down to 400.

6 0
3 years ago
Read 2 more answers
6 ( − 2.1 x − 2 ) + ( 7 x + 5 )
Mariana [72]

Answer: −5.6x −7

Step-by-step explanation:

8 0
3 years ago
You spend $20 total on tubes of paint and disposable brushes for an art project. Tubes of paint cost $4.00 each and paintbrushes
hram777 [196]
You are buying 2 items so let's use two different variables to represent each:
p = number of tubes of paint
b = number of disposable brushes
cost = price per item × number of items
Equations from information given:
4p + 0.50b = 20 ← from the first 2 sentences
2p = b  ← if there are twice as many brushes as paint tubes you need 2 times paint tubes to equal number of brushes
Solve the problem by using substitution... 1b equals 2p so replace b with that:
4p + 0.50(2p) = 20
4p + 1p = 20   ← 0.50 is half so half of 2p is 1p
5p = 20 ← combine like terms
p = 4   ← divide both sides of the equation by 5
Recall the equation 2p = b replace p with 4
2(4) = b 
8 = b
ANSWER:
You purchased 4 tubes of paint and 8 disposable brushes.
8 0
3 years ago
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