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3 years ago

The rate at which velocity changes is called A)acceleration B)speed C)direction D)displacement

Mathematics

2 answers:

olganol [36]3 years ago

7 0

The answer is A. acceleration. Hope this helps:)))

PolarNik [594]3 years ago

4 0

Acceleration is the answer

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Question 6

Tamiku [17]

Answer:

Step-by-step explanation

shes pulling RANDOM names. key word random, hope this helped

8 0

3 years ago

The sum of a number times 6 and 4 equals 5

Inessa [10]

5= (6+4)x
5= 10x

5= 10x then divide by 10 to get the variable by itself
__ ___
10 10
.5 = x you can use .5 or 1/2

hope this helps!
:)

3 0

3 years ago

Find the 20th term in the sequence, where the first term is -2 and the common ratio is-2.

geniusboy [140]

Answer:

Step-by-step explanation:

(1)

a1=-2

r=-2

$a_{20}=(-2)(-2)^{20-1}=-2(-2)^{19}=2^{20}=1048576\\(2)\\a_{1}=1000\\r=\frac{200}{1000} =\frac{1}{5} \\a_{8}=1000(\frac{1}{5} )^{8-1}=1000(.2)^7=0.0128\\(3)\\a_{1}=2\\a_{3}=50\\a_{2}=\sqrt{2*50} =10\\r=\frac{10}{2} =5$

6 0

3 years ago

A projectile is fired into the air with an initial vertical velocity of 160 ft/sec from ground level. How many seconds later doe

djverab [1.8K]

The maximum height of the projectile is the maximum point that can be gotten from the projectile equation

The projectile reaches the maximum height after 5 seconds

The function is given as:

$\mathbf{h(t) = -16t^2 + 160t}$

Differentiate the function with respect to t

$\mathbf{h'(t) = -32t + 160}$

Set to 0

$\mathbf{h'(t) = -32t + 160 = 0}$

So, we have:

$\mathbf{-32t + 160 = 0}$

Collect like terms

$\mathbf{-32t =- 160 + 0}$

$\mathbf{-32t =- 160}$

Solve for t

$\mathbf{t = \frac{- 160}{-32}}$

$\mathbf{t = 5}$

Hence, the projectile reaches the maximum after 5 seconds

Read more about maximum values at:

brainly.com/question/6636648

8 0

3 years ago

Mary works in a factory and earns Rs.955 per month she saves Rs.185 per month. Find the ratio of

Kryger [21]

Answer:

A) 37:191

B)191:154

Step-by-step explanation:\

A) Mary's Savings= 185 Rs

Mary's Income= 955 Rs

Ratio = 185:955

= 185/955

=37/191 ( INTO LOWEST TERMS )

=37:191

B) Mary's Income= 955 Rs

Mary's Expenditure= ?? = Income- Saving = 955-185= 770

Ratio= 955:770

= 955/770

= 191/154 ( INTO LOWEST TERMS )

= 191:154

8 0

4 years ago