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AVprozaik [17]
3 years ago
12

Simplify 0.4(−4.5)......................................

Mathematics
1 answer:
Fudgin [204]3 years ago
3 0

Answer:

0.4  \times \\  - 4.5

ans= -1.8

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A plane travels 3,625.26 miles in 6.9 hours. What is the plane’s unit rate?
Lunna [17]

Answer:

The correct answers are:

a)\frac{3625.26 miles}{6.9hours}

b)36252.6 tenths miles÷ 69 tenths hours

c)\frac{3500miles}{7hours}= 500\frac{miles}{hour}

d)\frac{3625.26miles}{6.9hours} \frac{10}{10} =\frac{36252.6miles}{69hours}

e) 525.4 miles/h

Step-by-step explanation:

The division is solved by using the division algorithm in the attached picture.

5 0
3 years ago
Lillian works 7hours each day for 5 days a week she earn £420 each week how much does she earn per hour
frosja888 [35]

Answer:

£12 per hour

Step-by-step explanation:

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35 h : 420

1 h : x

x = 420×1 / 35

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cluponka [151]
20 in I’m for sure on this answer
5 0
2 years ago
Given the function h(x) = 3(5)x, Section A is from x = 0 to x = 1 and Section B is from x = 2 to x = 3.
otez555 [7]

We can write the function in terms of y rather than h(x) so that:

y = 3 (5)^x

 

A. The rate of change is simply calculated as:

r = (y2 – y1) / (x2 – x1) where r stands for rate

 

Section A:

rA = [3 (5)^1 – 3 (5)^0] / (1 – 0)

rA = 12

 

Section B:

rB = [3 (5)^3 – 3 (5)^2] / (3 – 2)

rB = 300

 

B. We take the ratio of rB / rA:

rB/rA = 300 / 12

rB/rA = 25

 

So we see that the rate of change of section B is 25 times greater than A

7 0
3 years ago
Tina is packing for a five-day trip. She has one blue, one red, one white, one green, and one grey t-shirt. Tina will not wear e
agasfer [191]

Answer:

This means that Tina has enough t-shirts for the entire trip and doesn't need to pack any more t-shirts.

Step-by-step explanation:

In total, she has five t-shirts, and she is packing for a five-day trip. Therefore, she has enough shirts to last her the entire trip.

5 0
2 years ago
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