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3 years ago

How many times larger is a centigram than a milligram

Mathematics

1 answer:

Sauron [17]3 years ago

8 0

Answer:

centi = a unit / 100

milli = a unit / 1000

centiX = 10 milliX

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A new mixture of self-tanning & moisturizing lotions for everyday use is being developed. This mixture is made by mixing 70

777dan777 [17]

Answer:

450 ounces

Step-by-step explanation:

We know that the cost of the mixture $C_m$ must be the cost of the everyday moisturizing lotion $C_e$ plus the cost of the self-tanning lotion $C_s$ , which means $C_m=C_e+C_s$ .

The cost of any substance will be the cost per ounce of the substance (c), multiplied by the number of ounces (n), which means C=nc, so we have from the previous formula that we have:

$n_m c_m=n_e c_e + n_s c_s$

But we also know that the number of ounces of the mixture must be the sum of the number of ounces of the everyday moisturizing lotion with the number of ounces of the self-tanning lotion, so we have

$n_e c_e + n_s c_s=n_m c_m=(n_e+n_s) c_m=n_e c_m+n_s c_m$

We want to calculate the number of ounces of the self-tanning lotion ( $n_s$ ), so we solve for that variable:

$n_e c_e + n_s c_s=n_e c_m+n_s c_m$

$n_s c_s-n_s c_m=n_e c_m-n_e c_e$

$n_s (c_s-c_m)=n_e(c_m-c_e)$

$n_s=\frac{n_e (c_m-c_e)}{(c_s-c_m)}$

And substitute our values in this formula, to get:

$n_s=\frac{(700\ ounces) (\$1.6-\$0.7)}{(\$3-\$1.6)}=450\ ounces$

7 0

3 years ago

What value of c makes the polynomial below a perfect square? X2+5x+C

Reika [66]

Answer:

I think the answer is c = 25/4

Step-by-step explanation:

7 0

3 years ago

Write the equation of the line that passes through (3, 4) and (2, −1) in slope-intercept form.

3241004551 [841]

(3,4)(2,-1)
slope(m) = (y2 - y1) / (x2 - x1)
slope(m) = (-1-4) / (2 - 3) = -5/-1 = 5

y = mx + b
slope(m) = 5
u can use either of ur points...(3,4)...x = 3 and y = 4
now we sub and find b, the y int
4 = 5(3) + b
4 = 15 + b
4 - 15 = b
- 11 = b

so ur equation is : y = 5x - 11 <===

3 0

3 years ago

Can someone help me complete my mathswatch there is 73 questions and all is about shapes if you are knowledgeable at shapes I ho

Studentka2010 [4]

Answer:

Make sure you watch all the videos that are related to the topic You are doing.

Step-by-step explanation:

3 0

3 years ago

The number of nails of a given length is norm ally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 i

natta225 [31]

Answer:

120·(1 - Ф((5.03 - 5)/0.03)) ≈ 20 nails

6 0

3 years ago