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olga nikolaevna [1]
3 years ago
5

Writing expressions of lines ​

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
5 0

Answer:

fyysfyehFHayaursusrrw

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Danielle has a third of the amount needed to pay for her choir trip expenses. Does the expression (77+106+34) divided 3 show how
fomenos

Answer: Yes. The expression can be used to calculate how much Danielle has.

Step-by-step explanation:

The choir trip expenses are:

Train tickets = $77

Hotels = $106

Meals = $34

Total expense = $77 + $106 + $34 = $217

Since we are told that Danielle has a third of the amount needed for the trip. This means that we have to calculate 1/3 of $217 This will be:

= 1/3 × $217

= $72.33

Also, the expression (77+106+34) divided 3 shows the amount that Danielle has. Thus will be:

= (77+106+34) / 3

= 217/3

= 72.33

8 0
3 years ago
Some one help me i lost with this thing
egoroff_w [7]

Answer:

Im in middle school

Step-by-step explanation: I have no clue how to help u and bc I have no idea how brainy works -_-

4 0
3 years ago
If Michel drove 273 miles in4 hour, what was her speed in miles per hour
Verizon [17]
68.25 mph because 273÷4=68.25 so the answer is 68.25 miles per hour
6 0
3 years ago
for a fixed voltage, the current in an electrical circuit varies inversely as the resistance in the circuit. If a certain has a
Tatiana [17]

Answer:  1.75 amps

<u>Step-by-step explanation:</u>

V (voltage) = I (current) · R (resistance)

              V =    3.5 (110)

                 =   385

When Resistance is doubled, the current is cut in half.

             V = I R

         385 = I (2 · 110)

         \dfrac{385}{220}=\text{I}

         1.75 = I          

7 0
3 years ago
Use a(x) and b(x) shown below to evaluate the given expressions.
AnnZ [28]

Hello!


Let's begin with question 1, 2a(x) · b(x) = ?

2(3x - 1) · 2^{x} 

2^{x} · (6x - 2)


Question 2, a(x) + 2b(x) = ?

3x - 1 + 2(2^{x})


Question 3, \frac{b(x)}{2a(x)} = ?

\frac{2^{x}}{2(3x - 1)} 

\frac{2^{x}}{6x - 2}


Question 4, 2a(x) + b(x) = ?

2(3x - 1) + 2^{x} 

6x - 2 + 2^{x}


Question 5, a(x) - b(2x) = ?

3x - 1 - 2^{2x}

3 0
3 years ago
Read 2 more answers
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