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Vlad1618 [11]
3 years ago
11

I NEED HELP ASAP!!!!

Mathematics
2 answers:
Serggg [28]3 years ago
6 0
Focus: (-1/4, 0)
directrix: x = 1/4

so A is your answer.

hope this helps, God bless!
Tomtit [17]3 years ago
4 0

Answer:

A

Step-by-step explanation:

Just took the test

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An equation is shown.
mr_godi [17]

Answer:

Step 1 should be (14.4+18)...PEMDAS

Step-by-step explanation:

3 0
3 years ago
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 is the LCM of 24 and 32?
Sphinxa [80]
96 is the answer i beilive
3 0
3 years ago
Read 2 more answers
What is the equation of the line perpendicular to y = -4x + 3 that goes through (8, -3)?
maks197457 [2]
Perpendicular slope: opposite and reciprocal
-4 opposite and reciprocal = 1/4
Y = 1/4x + b
Plug in point
-3 = 1/4(8) + b
-3 = 2 + b, b = -5
Solution: y = 1/4x - 5
3 0
2 years ago
HELP NEEDED
liubo4ka [24]

63

Step-by-step explanation:

2x+54=180

2x=180-54

2x=126

divide each side by two u will get x

7 0
3 years ago
Read 2 more answers
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