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Alexeev081 [22]
3 years ago
12

Write an equation for each transformation of y = x

Mathematics
1 answer:
Alona [7]3 years ago
3 0

5,-6 This should be it hopefully if not sorry


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Oranges are sold in a supermarket at £1.42 per KG.
liraira [26]

Answer:

1.5kg = £2.13

Step-by-step explanation:

1kg = $1.42

1000gm = $1.42

0.5kg = $0.71

500gm = $0.71

1. 42+ 0.71 = £2.13  = 1.5kg = 1500gm

5 0
3 years ago
Given that a­­^b = x, evaluate the following:<br><br><br>2a^3b +a^2b +a^b
8090 [49]

Answer:

  2x^3 + x^2 + x

Step-by-step explanation:

For ...

a^{b}=x

The expression ...

2a^{3b}+a^{2b}+a^{b}

can be rewritten as ...

2(a^{b})^3+(a^b)^2+(a^b)=2x^3+x^2+x

5 0
3 years ago
Find the perimeter of a rectangle whose length is 3 cm greater than its height, and whose area is 40 cm².
jonny [76]

Answer: 26\ cm

Step-by-step explanation:

The perimeter of a rectangle can be calcualated with this formula:

P=2l+2h

Where "l" is the lenght and "h" is the height.

 The area of a rectangle can be found with this formula:

A=lh

Where "l" is the lenght and "h" is the height.

In this case we know that:

A=40\ cm^2

Therfore, we can susbsitute them into A=lh and solve for "h" in  order to find its value:

40=(h+3)h\\\\40=h^2+3h\\\\h^2+3h-40=0

Find two number whose sum is 3 and whose product is -40. These are -5 and 8. Then, factorizing, we get:

(h-5)(h+8)=0\\\\h_1=5\\\\h_2=-8

The positive value is the height. Then:

h=5\ cm

Since the length is 3 centimeters greater than its height, we get that this is: Then:

l=5\ cm+3\ cm\\\\l=8\ cm

Substituting values into P=2l+2h, we get that the perimeter is:

P=2(8\ cm)+2(5\ cm)\\\\P=26\ cm

8 0
3 years ago
Read 2 more answers
A riverboat travels downriver (with the current) at a speed of 15 km/h. The current is 3km/h. To someone on the shore, how fast
Rom4ik [11]

Answer:

18km/h

Step-by-step explanation:

if the riverboat is already going 15 km/h and the current is 3km/h then you should add and you get 18 km/h

7 0
3 years ago
Read 2 more answers
Find p if 4P = 0.25<br>​
Andrej [43]

Answer:

p= 0.0625

Step-by-step explanation:

p=0.25/4

plz mark brainliest

8 0
2 years ago
Read 2 more answers
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