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3 years ago

What is 1 1/4 × 4 3/4 =

1 answer:

4 0

First, we need to turn this into an improper fraction. Therefore we have: 1 1/4 = 5/4 and 4 3/4 = 19/4
Now we multiply across and eliminate as needed.
5/4 * 19/4 = 95/16
Finally, we reduce and convert to a mixed fraction.
16 goes into 95, 5 times with a remainder of 15. Therefore, we can conclude that our answer is: 5 15/16.

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Which graph shows a solution to the following system?<br>{ x -y ≥ -1<br>{ x+y ≤ 0

FinnZ [79.3K]

Answer:

That's the answer attached, whatever answer matches up with it is correct.

Step-by-step explanation:

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3 years ago

the scale on a drawing is 0.5 mm : 4 cm. the height of the drawing is 4.5 millimeters. the actual height of the object?

Olenka [21]

4.5mm divided by 0.5mm is equal to 9
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2 years ago

The lengths of three sides of a triangle are in the ratio 3: 5:

katen-ka-za [31]

Answer:

3x=6. 5x=10. 6x=12

Step-by-step explanation:

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3 years ago

A small plane and a large plane are 6.8km from each other, at the same altitude (height). From an observation tower, the two air

Lemur [1.5K]

Answer:

7.9km

Step-by-step explanation:

(a)See attached for the diagram representing this situation.

(b)

In Triangle ABC

$\text{Using Law of Sines}\\\dfrac{\sin A}{a}=\dfrac{\sin C}{c} \\\dfrac{\sin A}{5.2}=\dfrac{\sin 58^\circ}{6.8} \\\sin A=5.2 \times \dfrac{\sin 58^\circ}{6.8}\\A=\arcsin (5.2 \times \dfrac{\sin 58^\circ}{6.8})\\A=40.43^\circ$

Next, we determine the value of Angle B.

$\angle A+\angle B+\angle C=180^\circ\\40.43+58+\angle B=180^\circ\\\angle B=180^\circ-(40.43+58)\\\angle B=81.57^\circ$

Finally, we find b.

$\text{Using Law of SInes}\\\dfrac{b}{\sin B}=\dfrac{c}{\sin C} \\\dfrac{b}{\sin 81.57^\circ}=\dfrac{6.8}{\sin 58^\circ} \\b=\dfrac{6.8}{\sin 58^\circ} \times \sin 81.57^\circ\\b=7.9km $ (to the nearest tenth of a kilometer)$

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3 years ago

Pls help, will mark brainliest if right

Tanya [424]

Answer:

Step-by-step explanation:

I just did this lol

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3 years ago