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Harman [31]
2 years ago
6

What is true about the dilation?

Mathematics
2 answers:
allsm [11]2 years ago
8 0

Answer:

still nothing

Step-by-step explanation:

Sladkaya [172]2 years ago
4 0

Answer: A. It is a reduction with a scale factor between 0 and 1

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Please help me with this question
Nata [24]
The square is 49cm spuared
each triangle is 14cm squared
49+14+14+14=91
91 cm
4 0
2 years ago
How to write a story context that would be represented by the ratio 1:4
Kaylis [27]
<span>Once upon a time there was a surprise for a boy named Justin ,his 4 friends ordered a pie because it was a surprise soccer party. Only 1 out of the 4 boys got to eat the pie since they all wanted to play soccer. Hope this helped :)</span>
5 0
3 years ago
Factor the expression using the greatest common factor 7a5+ 13a3
Likurg_2 [28]

Answer: a^3*(7a^2+13)

Step-by-step explanation:

The expression 7a^5 + 13a^3 can be factored by finding the greatest common factor of each monomial expression.

Knowing that 7 and 13 are both prime numbers, we know that the greatest common factor of each is 1.

However, expanding the expression gives us:

7(a*a*a*a*a)+13(a*a*a)

There are three a's (or a^3) in each monomial, which is the greatest common factor. Knowing this, you can divide each monomial by a^3 and factor to get:

a^3*(7a^2+13)

3 0
3 years ago
What are the solutions to the quadratic equation x^2 – 16 = 0?
Scilla [17]

Answer:

x=4

Step-by-step explanation:

x²-16=0

x²=0+16

x²=16

x=√16

x=4

5 0
2 years ago
The rate of change of speed for a ship is 0.25 m/s². If the speed of the ship after 1 minute is 78 km/h, what is its initial spe
nadya68 [22]

Answer:

6.67 meters/second
or equivalently
24 km/hour

Step-by-step explanation:

The relationship between final velocity, initial velocity, acceleration and time is given by the equation
v = u + at

where

v = final velocity

u = initial velocity

a = acceleration

t = time from initial velocity to final velocity

We are given

v = 78 km/h

a = 0.25 m/s²

t = 1 minute

We are asked to find u, the initial velocity

Since each of the parameters are given in different units, the first step is get them all to a common unit

Let's convert everything to m/second and seconds

Since there are 1000 meters in 1 km and 3600 seconds in 1 hour ,

78 km/hour = 78 x 1000/3600 = 21.66667 meters per second which would be our value for v. Rounded to 2 decimals this would be 21.67 m/s

There are 60 seconds in 1 minute so our value for t = 1 minute x 60 = 60 second.

We finally have

v = 21.67 m/s

a = 0.25 m/s²

t = 60 seconds

Plug in known values in the equation

21.67 = u + 0.25 x 60

21.67 = u + 15

u + 15 = 21.67

u = 21.67 - 15 = 6.67 m/s

If you want to convert this back to km/hour multiply by 3600 and divide by 1000

u = 6.67 x 3600/1000 = 24.012 km/hour or rounded to 24 km/hour

7 0
1 year ago
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