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Mashutka [201]
3 years ago
7

Evaluate ab for a = 2 3/4 and b = 4/5.

Mathematics
2 answers:
ikadub [295]3 years ago
7 0

Answer:7 1/2

Step-by-step explanation:

Crazy boy [7]3 years ago
6 0

Rewrite a as an improper fraction:

2 3/4 = 11/4

Now you have 11/4 x 4/5

Multiply the two top numbers together and the two bottom numbers together.

11x4 / 4x5 = 44/20 now rewrite as 2 4/20 which can simplify to 2 1/5

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If 2n = 54/9 then n = ______
Fantom [35]

Answer:

1). 3

2). 6

3). 9

Step-by-step explanation:

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8 0
3 years ago
A metal can is a cylinder with a radius of 3 in. and a height of 6 in.
iVinArrow [24]

Answer:

169.56

Step-by-step explanation:

54*3.14 = 169.56

this is the answer on the test

5 0
3 years ago
What is the area of a rectangle that is 3.1 cm wide and 4.4 cm long? Enter the full-precision answer first to see the correspond
Brrunno [24]

Answer:  Without rounding : 13.64 (square cm)

Rounded answer : 13.6(square cm)

Step-by-step explanation:

We know that the area of a rectangle is given by :-

A=l\times w, where l is the length and w is the width of the rectangle.

Given : The dimensions of a rectangle are 3.1 cm wide and 4.4 cm long.

Then, the area of rectangle will be:-

A=4.4\times 3.1=\dfrac{44}{10}\times\dfrac{31}{10}\\\\=\dfrac{1364}{100}=13.64\text{ cm}^2\approx13.6\ cm^2  \text{Rounded to the nearest tenth}

Therefore, the area of rectangle =13.6\text{ cm}^2

3 0
3 years ago
Read 2 more answers
Marlene noticed that when a pair of parallel lines was cut by a transversal, two particular vertical angles were reflections of
Trava [24]
A.the measures of the angles must be equal
Vertical Angles- are the angles opposite of each other when two lines cross. They are always equal.
3 0
3 years ago
Read 2 more answers
Help please it’s due hella soon also please leave a small explanation
murzikaleks [220]
1) y=3x-4
When x increases by 1, y increases by 3 so the slope is rise/run → 3
y-int is -4 bc y-value is -4 when x=0

2)y=-3x+4
When x increase by 2, y decreases by 6 so the slope is rise/run → -3
y-int is 4 bc y-value is 4 when x=0

3)y=-1/3x+4
When x increase by 3, y decreases by 1 so the slope is rise/run → -1/3
y-int is 4 bc you now have the equation y=-1/3x+b and u just have to plug in random point from the graph, so ex, 6 into x and 2 into y. You can get 4 as b in the equation.

4)y=1/3x-4
When x increases by 6, y decreases by 2 so the slope is rise/run → 1/3
y-int is -4 bc u do the same thing as 3)
For ex, plug in 6 for x and -2 for y and you can get -4 as the b in the equation.
6 0
3 years ago
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