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Gre4nikov [31]
2 years ago
11

How to find 3 1/4 ÷ 5​

Mathematics
1 answer:
bagirrra123 [75]2 years ago
6 0

Answer:

3/20

Step-by-step explanation:

3 x 1/4 x 1/5 = 3/20

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Giving 97 points for answer. Need asap for a, b, and c pls help.
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2 years ago
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Please solve, -7x+8=-4(x+1)​
omeli [17]

Answer: x=4

<u>Simplify both sides of the equation.</u>

<u></u>-7x+8=-4(x+1)\\-7x+8=(-4)(x)+(-4)(1)(Distribute)\\-7x+8=-4x+-4<u></u>

<u></u>

<u>Add 4x to both sides</u>

<u></u>-7x+8+4x=-4x-4+4x\\-3x+8=-4<u></u>

<u></u>

<u>Subtract 8 from both sides</u>

<u></u>-3x+8-8=-4-8\\-3x=-12

<u>Divide both sides by -3</u>

<u></u>-3x/-3=-12/-3\\x=4<u></u>

5 0
3 years ago
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a trail mix has 4 cups of raisins, 3 cups of dates, 6 cups of peanuts, and two cups of cashews. Which ingredients are in the sam
stiv31 [10]
The ratio of dates to peanuts is the same as cashews to raisins. Simplified, both ratios equal 1/2.
8 0
3 years ago
Simplify by using the law of indices:<br>y^a(b+c)×y^b(c-a)×y^c(a-b)​
tia_tia [17]

Answer:

y^{2ac}

Step-by-step explanation:

Using the law if indices

a^{m} × a^{n} = a^{(m+n)}

Thus to simplify the expression add the 3 exponents

a(b + c) + b(c - a) + c(a - b) ← distribute parenthesis

= ab + ac + bc - ab + ac - bc ← collect like terms

= 2ac

Then the expression simplifies to

y^{2ac}

4 0
3 years ago
A parabola can be drawn given a focus of (6,-1) and a directrix of y = 9. What can be said about the parabola?​
zavuch27 [327]

Answer:

Since the focus is at (-6,-11) and the directrix is at y=9:

 

The vertex is halfway between the focus and the directrix, so the vertex is at (-6,-1).  (Draw this on graph paper if that doesn't make sense.)

 

The general form (conics form) of a parabola:  4p(y-k)=(x-h)^2 (vertex is (h,k) and "p" is the distance between the focus and vertex (or between vertex and directrix)).

 

(h,k) = (-6,-1)

 

p = 10 (distance between focus and vertex), so 4p = 40.

 

Therefore:

 

40(y+1)=(x+6)^2

 

Or if you need to rearrange to "vertex form":  y=(1/40)(x+6)^2 - 1

Step-by-step explanation:

3 0
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