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ddd [48]
3 years ago
15

What is the quotient? −5 1/4 ÷2 3/4 Enter your answer as a mixed number, in simplified form, in the box.

Mathematics
1 answer:
ryzh [129]3 years ago
4 0
The answer would be -1 10/11.

convert 5 1/4 to improper fraction

simplify 5 * 4 to 20

simplify 20 + 1 to 21

convert 2 3/4 to improper fraction

simplify 2 * 4 to 8

simplify 8 + 3 to 11

21/-4 * 4/11

21 * 4 over -4 * 11

84 over -4 * 11

84/-44

21/-11

convert to mixed fraction ( -1 10/11 )
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A quadrilateral with vertices (-3,2),(-5,-4), (4,6), and (7,0) is dilated by a scale factor of 0.5.
Ksenya-84 [330]
Original vertices:
1 (-3, 2)
2 (-5,-4)
3 ( 4, 6)
4 ( 7, 0)

dilated by a scale factor of 0.50

1) -3*0.50 = -1.5 ; 2 * 0.50 = 1 ⇒ (-1.5,1)
2) -5*0.50 = -2.5 ; -4*0.50 = -2 ⇒(-2.5,-2)
3) 4*0.50 = 2; 6*0.50 = 3 ⇒ (2,3)
4) 7*0.50 = 3.5; 0*0.50 = 0 ⇒ (3.5,0)

B.)
 -1.5    -2.5    2    3.5 
<span>     1       -2    3       0 </span>

6 0
3 years ago
How do you find the slope
dalvyx [7]
Remember that the slope of a line never changes, so you can choose whatever 2 points you want and you will always get the same slope. Calculate the rise and run (You can draw it on the graph if it helps). The slope is 2/4, which , of course, you can simplify to ½.
8 0
3 years ago
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How much water should you have in a severe weather emergency supply kit?
Y_Kistochka [10]

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8 0
2 years ago
(Score for Question 3: ___ of 5 points) The measure of ∠2=8x+10 and the measure of ∠4=42+6x. Find the measure of ∠4. Show your w
Svetradugi [14.3K]

Answer:

∠4 = 78°, assuming out measurements have been taken in degrees.

Step-by-step explanation:

If ∠2 = 8x + 10 and

∠4 = 42 + 6x

We will assume that x in both cases is represented by the same number, therefore, we will first need to solve for x. We will do so by equating both angle measurement expressions.

8x + 10 = 42 + 6x        Take away 6x from both sides

2x + 10 = 42                Take 10 away from both sides to combine like terms

2x = 32                        Divide both sides by 2 to isolate x

x = 16

Knowing x, we can solve for the measure of ∠4 by plugging in 16 for x

∠4 = 42 + 6x

∠4 = 42 + 6(6)

∠4 = 42 + 36

∠4 = 78°, assuming out measurements have been taken in degrees.

4 0
3 years ago
What is the area of a rectangle that is 1/2 of a meter long and 3/8 of a meter wide?
Margarita [4]

Answer:

Step-by-step explanation:

note : the area of a rectangle  is : A = L ×W

L : lenght    W  : the width

A = (1/2)(3/8) = 3/16 m²

4 0
3 years ago
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