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Allushta [10]
3 years ago
5

Brent divided 3 1/5 by a number and got 4 1/2. What number did he divide by? Please Answer

Mathematics
2 answers:
asambeis [7]3 years ago
7 0
Answer:

The number divided by was <span>32/45</span>

Explanation:

Let the unknown number be x

Then <span>3 <span>1/5</span>÷x=4 <span>1/2</span></span>

Write as

<span> <span>16/5</span>÷x=<span>9/2</span></span>

Suppose we had the common denominator of 10 then we would have:

<span> <span>32/10</span>÷x=<span>45/10</span></span>

Get rid of the 10: multiply through out by 10 giving:

<span> 32÷x=45</span>

<span>⇒<span>32x</span>=45</span>

<span>⇒x=<span>32/<span>45</span></span></span>

musickatia [10]3 years ago
4 0
It would be 32/45 i hope this helps
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2 years ago
PLEASE HELP ME WILL MARK BRAINLIEST!!
nlexa [21]

Answer:

9/4

Step-by-step explanation:

1. \frac{y_2-y_1}{x_2-x_1}

2. \frac{-1-(-10)}{-1-(-5)}

3. \frac{9}{4}

Therefore, the slope is 9/4.

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2 years ago
Solve −x+5≤4 or 2x+3≥−1. Note: Write the solution in interval notation.
Anastasy [175]

Answer:

[1 , +∞)

Step-by-step explanation:

-x+5\leq 4\\x\geq 1\\2x+3\geq -1\\x\geq 1\\\\

8 0
2 years ago
A) 90 clockwise
nydimaria [60]

Answer:

A.) 90 clockwise

E.)270 Counter Clockwise

Step-by-step explanation:

A.) Ro, -90 Rotation about the origin (0,0) 90° clockwise

(x, y) ⇒ (y, -x)

(-1, 5) ⇒ (5, 1)

E.) Ro, 270 Counter Clockwise

(x, y) ⇒ (y, -x)

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6 0
3 years ago
Question 1 (1 point)
Naily [24]

Answer:

P ( -1, -3)

Step-by-step explanation:

Given ratio is AP : PB = 3 : 2 = m : n  and points A(5,6) B(-5,-9)

We will calculate coordinates of the point P which divides line segment AB  in the following way:

xp = (n · xa + m · xb) / (m+n) = (2 · 5 + 3 · (-5)) / (3+2) = (10-15) / 5 = -5/5 = -1

xp = -1

yp = (n · ya + m · yb) / (m+n) = (2 · 6 + 3 · (-9)) / (3+2) = (12-27) / 5 = -15/5 = -3

yp = -3  

Point P( -1, -3)

8 0
2 years ago
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