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tester [92]
3 years ago
13

Hailey paid $13 for 1 3/7 kg of sliced salami What was the cost per kilogram of salami

Mathematics
2 answers:
3241004551 [841]3 years ago
6 0
It cost hailey $9.10 for 1 kg of salami
JulijaS [17]3 years ago
4 0

Translate words into numbers.

13/(1 3/7)

First convert to improper fraction.

13/(10/7)

Then, note that division is the same as multiplying by the divisor's reciprocal.

13x7/10=9.1

answer: $9.10 per kilogram

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George is comparing two different phones. The screen of phone A has a width of 5.3 cm. The width of the screen on phone B
bija089 [108]

Answer:

To answer this question, you need to makes the unit of the smartphone screen same. In this case, phone A is using decimal and phone B is using a fraction. You can use which was easier.

Let's try to use decimal. Then you need to convert phone B fraction width into decimal width. The calculation would be: 5cm + 1/3cm= 5 cm + 0.333cm= 5.333cm

From here it clear that phone B has a wider screen than phone A.

Step-by-step explanation:

8 0
3 years ago
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2 years ago
the length of the shadow of a pole on level ground increases by 90m when the angle of elevation of the sun changes from 58 degre
Anarel [89]

Answer:

The height of the pole is 167 m

Step-by-step explanation:

The given parameters are;

Increase  in the length of the shadow = 90 m

Initial angle of elevation of the Sun = 58°

Final angle of elevation of the Sun = 36°

We have a triangle formed by the change in the length of the shadow and the rays from the two angle of elevation to the top of the pole giving an angle 22° opposite to the increase  in the length of the shadow  

We have by sin rule;

90/(sin (22°)  = (Initial ray from the top of the pole to the end of the shadow's length)/(sin(122°)

Let the initial ray from the top of the pole to the end of the shadow's length = l₁

90/(sin (22°)  = l₁/(sin(122°)

l₁ = 90/(sin (22°) ×(sin(122°) = 283.3 m

Therefore;

The height of the pole = 283.3 m × sin(36°) = 166.52 m

The height of the pole= 167 m to three significant figures.

3 0
3 years ago
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Stronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or approxim
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This is one of those problems where you don't actually have to know anything. The only answer that is any combination of the two given numbers is the last one:
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3 years ago
Ryan made 65 ounces of apple jelly he put the same amount of jelly into six jars about how much jelly did each jar get
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Answer:

10.8333......

Step-by-step explanation:

First 65 divided by 6 is equal to 10.8333......

So the answer was 10.8333......

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