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ad-work [718]
3 years ago
13

Which expression has a positive value?

Mathematics
1 answer:
FrozenT [24]3 years ago
7 0

Answer:

(negative 5) (negative 9)

Step-by-step explanation:

minus×minus=plus

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D=(107-115)^2+(-49+-69)^2​
ladessa [460]

Answer:

d=13988 or d=1.3988 x 10^4

Step-by-step explanation:

d=(-8)^2+(-118)^2

d=64+13924

d=13988

6 0
2 years ago
Write the linear equation that gives the rule for this table. x f(x) 1 22 2 23 3 24 4 25 Write your answer as an equation with f
densk [106]

Answer:

umm that doesn't make a whole lot of sense if its multiple choice can you give us the options please sorry I couldn't answer

Step-by-step explanation:

6 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
2 years ago
Barbara has nine stuffed animals Trish has three times as many stuffed animals as Barbara how many stuffed animals does Trish Ha
n200080 [17]
Trish has 3 times 9 stuffed animals, 27.
4 0
3 years ago
Read 2 more answers
Which is the best way to answer a 10 question multiple choice test in which each question has 6 choices for answers
Firdavs [7]

Answer:

Rolling a die.

Step-by-step explanation:

A die has 6 sides for every answer and the only choice regarding the number 6 and you can roll (questions) times.

6 0
3 years ago
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