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meriva
3 years ago
13

Hunter owns a food truck that sells tacos and burritos. He sells each taco for $3.25

Mathematics
1 answer:
WITCHER [35]3 years ago
3 0

Answer:

y = 40             x = 80

Step-by-step explanation:

520 = 3.25x + 6.5y        x+y=120

x+y=120

x = 120-y

520 = 3.25(120-y)+6.5y

520 = 390-3.25y+6.5y

520 = 390+3.25y

130=3.25y

Divide each side by 3.25

40 = y

x = 120-y

x = 120-(40)

x = 80

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Mrs. Clever rolls a number cube once.
Zinaida [17]

Answer:

I think it would be 1 out of 6 or B.

Step-by-step explanation:

I think so because there are 6 sides to a cube and if Mrs.Clever only rolls it once then it would be 1 out of 6.

4 0
3 years ago
Sophia has an ear infection. The doctor prescribes a course of antibiotics. Sophia is told to take 500 mg doses of the antibioti
julsineya [31]

Answer:

see below

Step-by-step explanation:

Dosage= 500 mg

Frequency= twice a day (every 12 hours)

Duration= 10 days

Number of dosage= 10*2= 20

residual drug amount after each dosage= 4.5%

We can build an equation to calculate residual drug amount:

d= 500*(4.5/100)*t= 22.5t, where d- is residual drug, t is number of dosage

After first dose residual drug amount is:

  • d= 500*0.045= 22.5 mg

After second dose:

  • d= 22.5*2= 45 mg

As per the equation, the higher the t, the greater the residual drug amount in the body.

Maximum residual drug will be in the body:

  • d= 20*22.5= 450 mg at the end of 10 days

Maximum drug will be in the body right after the last dose, when the amount will be:

  • 500+19*22.5= 927.5 mg
5 0
3 years ago
PLEASE 25 POINTS!!!!!!
Rufina [12.5K]
-4.9t²+7.5t+1.8=2.1
-4.9t²+7.5t-0.3=0

t=-7.5±√(56.25-4*-4.9*-.3)/-2*4.9

t=-7.5±√(44.49/-9.8

t=(-7.5±6.67)/-9.8

t=-.83/-9.8 = .085 or t= -14.17/-9.8 = 1.446
8 0
3 years ago
Read 2 more answers
Suppose DK is an angle bisector of △DEF. <br><br><br>Given: EK=2, FK=5, DF=10. Find DE.
ziro4ka [17]

Answer:

DE=4

Step-by-step explanation:

We have been provided a graph of a triangle and we are asked to find the length of segment DE.

Angle bisector theorem states that if a ray bisects an angle of a triangle, then it bisects the opposite side of triangle into segments that are proportional to other two sides.

By angle bisector theorem we can set proportions of the given sides as:

\frac{DE}{EK}=\frac{DF}{FK}

Upon substituting our given values in above proportion we will get,

\frac{DE}{2}=\frac{10}{5}

Upon multiplying both sides of our equation by 2 we will get,

\frac{DE}{2}\times 2=2\times \frac{10}{5}

DE=2\times 2

DE=4

Therefore, the length of segment DE is 4 units.

5 0
3 years ago
Helphelphelphelphelp​
USPshnik [31]

Answer:

you would've spent $10.50.

you saved $25.50.

you saved 70%.

Step-by-step explanation:

since its 7/10, 10 indicates that it'll be out of 100. so its 70% off of 35.

7 0
3 years ago
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