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boyakko [2]
3 years ago
7

Which equation shows the quadratic formula used correctly to solve 5x^2 + 3x - 4 = 0 for x?

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
5 0

Answer:

0.64

Step-by-step explanation:

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1.75 = 12.3 - x / 2.8<br><br> Solve for x
mrs_skeptik [129]
1.75=12.3-x/2.8
x=(12.3-1.75)2.8
x=29.54
6 0
3 years ago
Read 2 more answers
Tom bought 3 adult movie tickets and 8 child tickets. If adult tickets cost $9.00 each and child tickets cost $5.00, what is the
defon

Answer:

the total cost is $67

Step-by-step explanation:

9 × 3 = 27 8 × 5 = 40 40 + 27 = $67

5 0
3 years ago
Calculate (a) the number of milligrams of metoclopramide HCl in each milliliter of the prescription:
nalin [4]

Answer:

There are 100 milligrams of metoclopramide HCl in each milliliter of the prescription

Step-by-step explanation:

When the prescription says Purified water qs ad 100 mL means that if we were to make this, we should add the quantities given and then, fill it up with water until we have 100 mL of solution, being the key words qs ad, meaning sufficient quantity to get the amount of mixture given.

Then, knowing there is 10 grams of metoclopramide HCl per 100 mL of prescription, that means there is (1 gram = 1000 milligrams) 10000 milligrams of metoclopramide HCl per 100 mL of prescription. That is a concentration given in a mass/volume way.

Knowing the concentration, we can calculate it per mL instead of per 100 mL

Concentration_{metoclopramide HCL}= \frac{10000mg}{100mL} =100 \frac{mg}{mL}

7 0
3 years ago
What is the domain of F(x) = 1/x ?
Elenna [48]

Step-by-step explanation:

The domain is the possible x values of a function.

Since our function is a reciprocal function, our denominator can't equal 0. Note x=0, is a vertical asymptote.

So our domain is

All Reals except 0,

or (-oo,0) U (0, oo).

6 0
2 years ago
Which diagram shows the correct cuts?
USPshnik [31]
I need to see the diagrams to tell you.
5 0
3 years ago
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