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alekssr [168]
3 years ago
11

Geometry help will give brainliest

Mathematics
1 answer:
balandron [24]3 years ago
7 0
For one 3, another 7, and 9
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Which of the following statements are true about scalar multiplication of matrices?
Greeley [361]

Scalar multiplication of a matrix refers to the multiplication of all the elements of the matrix by an ordinary number which is called a scalar.

From the given options the statements which are true about scalar multiplication of matrices are;

a)       You can multiply a matrix of any size by a scalar.

b)      For any matrix A, 1 × A = A.

c)       Scalar multiplication is a shortcut for repeated addition of the same matrix.

3 0
3 years ago
Read 2 more answers
The projectile motion of an object can be modeled using s(t) = gt2 + v0t + s0, where g is the acceleration due to gravity, t is
WARRIOR [948]

Answer:

s(t) = -4.9t² + 39.2t

Step-by-step explanation:

Given the projectile motion of an object can be modeled using s(t) = gt2 + v0t + s0, where g is the acceleration due to gravity, t is the time in seconds since launch, s(t) is the height after t seconds, v0 is the initial velocity, and s0 is the initial height. The acceleration due to gravity is –4.9 m/s²

Given

g = -4.9m/s²

v0 = 39.2m/s

s0 = 0m (the initial height)

On substituting into the formula;

s(t) = gt² + v0t + s0

s(t) = -4.9t² + 39.2t + 0

s(t) = -4.9t² + 39.2t

This gives the equation that models the height

4 0
1 year ago
a bucket contains 3 1/2 gallon of water. If Marie adds 5 gallons more, how many gallons of water will there be in all?​
Klio2033 [76]

Answer:

8 1/2

because 3 + 5= 8+ 1/2= 8 1/2

5 0
2 years ago
an older person is three years older than seven times the age of a younger person the sum of their ages is 43 find their ages
ruslelena [56]

Step-by-step explanation:

no thanksssssssssssssssssss

6 0
3 years ago
Mrs Thomas played a game. Her score changed the same amount each round. After 3 rounds, her score had changed by -18 points. How
lisabon 2012 [21]

Answer: -6

Step-by-step explanation: It changed -6 each round because -6x3=-18.\

Hope this helped!

5 0
3 years ago
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