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inessss [21]
3 years ago
13

How does an estimate help you place the decimal point when multiplying 3.9 ✖️5.3

Mathematics
1 answer:
Step2247 [10]3 years ago
3 0
Answer: 20.67
Hope it helps
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Find the area of the triangle
makkiz [27]

Answer:

84mm

Step-by-step explanation:

Formula of a triangle:

A =bh/2

A=14(12)/2

A=168/2

A=84mm

5 0
3 years ago
A real estate agent has sold a house for $350,000. She earns 3% commission. How much did she earn? Show your work!
inessss [21]
3% is equal to .03 so .03 times $350,000 equals $10,500
8 0
3 years ago
Read 2 more answers
Write the relation as a set of ordered pairs.
Tems11 [23]
The answer is either a or b
4 0
3 years ago
Read 2 more answers
A product cost $48.50 for 75 feet. how much does it cost per inch?
Ivahew [28]
The answer is:  $  0.0538888888888889 / in.
______________________________
Round to:  $0.05388 per inch.
________________________________
Explanation:
________________________________
Note the exact conversion:  1 feet (ft) = 12 inch (in.) .
______________________________________________
\frac{48.50}{75  ft}*\frac{1  ft}{12in}  =

$ { \frac{48.50}{75*12} } / in. =

$ { \frac{48.50}{900} } / in =

<span>$  0.0538888888888889 / in. .

→ Round to:  $ 0.05388 / in. 
__________________________________


</span>
8 0
3 years ago
Write simultaneous equations to describe the situation below, solve using substitution, and fill in the blanks.
tresset_1 [31]
Dedra:

y = 2 + 3x

Nick:

y = 6 + x

Where 'y' is the total cost, and 'x' represents the number of hours.

Solve using substitution, we can substitute 2 + 3x for 'y' in the 2nd equation.

y = 6 + x

2 + 3x = 6 + x

Subtract 2 to both sides:

3x = 4 + x

Subtract 'x' to both sides:

2x = 4

Divide 2 to both sides:

x = 2

Now we can plug this into any of the two equations to get our 'y' value.

y = 2 + 3x

y = 2 + 3(2)

y = 2 + 6

y = 8

So our full solution is (2, 8). 

Which means they both bowled for 2 hours, and spent <span>€8.</span>
3 0
3 years ago
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