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zhuklara [117]
3 years ago
15

If f(x)=2x+5, then f(4) represents what

Mathematics
1 answer:
RSB [31]3 years ago
6 0
<span>f(x)=2x+5
then
</span><span>f(4)=2(4) +5 = 8 + 5 = 13

hope it helps</span>
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What is 5543×3445+211÷3??? Please help me due today!!! I will give 10 points or maybe 20pts
natka813 [3]
<span>19095705.3333  is the answer
 
hope i helped!</span>
3 0
3 years ago
How many solutions does the system of equations shown below have?
rjkz [21]

Answer:

one solution with a y value of 5

Step-by-step explanation:

/| x+y-4 = 0| x-y-6 = 0

We try to solve the equation: x+y-4 = 0

x+y-4 = 0 // - x-4

y = -(x-4)

y = 4-x

We insert the solution into one of the initial equations of our system of equations

We get a system of equations:

/| x+x-6-4 = 0| y = 4-x

2*x-10 = 0 // + 10

2*x = 10 // : 2

x = 10/2

x = 5

We insert the solution into one of the initial equations of our system of equations

For y = 4-x:  

y = 4-5

y = -1

We get a system of equations:

/| y = -1| x = 5

4 0
3 years ago
Krutika and Natasha win some money and share it in the ratio 3:4. Krutika gets £39. How much did Natasha get?
grin007 [14]

Answer:

22.28 Pounds

Step-by-step explanation:

Add 3+4=7

39 ÷ 7=5.57

Because Natasha has the ratio of 4 she would get

5.57 × 4=22.28

Answer=22.28

4 0
3 years ago
Writing Probability as a Fraction
katrin [286]
Probability=(number of specific outcomes)/(number of possible outcomes)

There are 4+2+6+5=17 total marbles so:

P(Yellow)=4/17

P(Blue)=2/17

P(Black)=5/17

P(Red)=6/17
8 0
3 years ago
Read 2 more answers
A triangle has points dallas, destination 1, and destination 2. the distance from dallas to destination 1 is 720 miles, and the
timurjin [86]

The distance from the second destination back to Dallas is 918 miles

<h3>Given</h3>

A triangle has points Dallas, destination 1, and destination 2.

The distance from Dallas to destination 1 is 720 miles

The distance from destination 1 and destination 2 is 290 miles

the angle formed between Dallas, destination 1, and destination 2 is 125 degrees.

He moves from destination 1 to Dallas then destination 2

We could use cosine law to find the distance

<h3>What is cosine law?</h3>

The Law of cosines or cosine law means the relation between the length of sides of a triangle with respect to the cosine of its angle. It is also called the cosine rule

b^{2}=a^2+c^2-2ac*cosB

=290^2+720^2-2*720*290*cos125

=84100+518400-417600 cos 125

=602500-417600*(-0.5735)

=602500+239493.6

=841993.6

b=917.6 miles

≅918 miles

The distance is 918 miles  he will fly from the second destination back to Dallas

Learn more on Distance here:

brainly.com/question/23183268

#SPJ4

5 0
2 years ago
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