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3 years ago

Help? thanks :D have a good day

Mathematics

1 answer:

galben [10]3 years ago

7 0

Answer:

option a

Step-by-step explanation:

as 145 +10 = 155°

and total angle measure of triangle is 180

180-155 = 25°

in option a one angle is 10

other is 25 so obviously last angle will be 145

and same is in the triangle abc

one angle is 10 other is 145 and last is 25

both hve same measures thus are same triangles.

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Find f(2) given f(x) = -3x^3 + x^2 – 3

aleksley [76]

Answer:

Step-by-step explanation:

f(x) = -3x^3 + x^2 – 3 f(2) means that wherever you see a x, put in a 2.

f(2)= -3(2)^3 + (2)^2 - 3

f(2) = -3*8 + 4 - 3

f(2) = - 24 + 1

f(2) = - 23

6 0

3 years ago

Read 2 more answers

Find the value of 151 - 4(32 - 2).<br> -11<br> -33<br> 7<br> -23

egoroff_w [7]

Steps to solve:

151 - 4(32 - 2)

~Distribute

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3 0

3 years ago

A car travels 14km in 25mins . Find out how far the car can travel in 5 hours if the speed remains the same ?

jekas [21]

<h3><u>Answer :- </u></h3>

168 km ...

<h3><u>Explanation :- </u></h3>

It is given that the car travels 14km in 25 minutes..

Now , assume that the distance the car travel in 5 hours be x..

Since 1 hour = 60 minutes..
5 hours = 300 minutes ..

• Thus , The two given statements are :-

14km -----------------> 25 minutes..
And, x km -------------> 300 minutes..

The distance travelled by car and the time taken by the car is directly proportional to each other....

$\frac{14}{25} = \frac{x}{300}$

$= x = 168km$

• Hence , Car can travel 168km in 5 hours ..

Hope this helps you :)

6 0

2 years ago

F(x) = {5x - 1, if x < 2 Find f(-4)<br> x-9, if x ≥ -2

Jobisdone [24]

Since -4 is less than 2, use the first equation
5(-4) - 1 = -20 - 1 = -21

3 0

3 years ago

Determine the cardinality of each set.

krek1111 [17]

The cardinality of a set refers to the number of elements in the set. It is found by counting the elements in the set.

<h3>What is cardinality of a set?</h3>

The cardinality of a set refers to the number of elements in the set. To obtain the cardinality, we have to count the elements in the set.

a) There are 6 elements in this set hence the cardinality is 6.

b) There is only one element in the set hence its cardinality is 1.

c) There are two elements in the set hence the cardinality is 2.

Learn more about cardinality of a set:brainly.com/question/19257002

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5 0

2 years ago