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2 years ago

Determine the values of X

Mathematics

2 answers:

dangina [55]2 years ago

5 0

Step-by-step explanation:

x+66+52=180

x=180-66-52

x=180-118

x=62

mars1129 [50]2 years ago

3 0

66+52+x=180
118+x=180
x=180-118
x=62

Hope this helps :)

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The distance between the point (-3,4) and the point of origin

pickupchik [31]

Answer:

Step-by-step explanation:

1) origin point is (0;0);

2) the required distance is:

$d=\sqrt{(-3-0)^2+(4-0)^2} =5.$

7 0

2 years ago

Change the following into mixed fraction 13/5

Oduvanchick [21]

Answer:

2 3/5

Step-by-step explanation:

13/5

5 goes into 13 2 time

2*5 =10

13-10 =3

There is 3 left over. This goes over the denominator

2 3/5

7 0

3 years ago

Read 2 more answers

Hey can you help me answer this question by giving me the answer?

Leto [7]

The value of f(a)=4-2a+6 $a^{2}$ , f(a+h) is $6a^{2} +6h^{2} -2a-2h+12ah$ , [f(a+h)-f(a)]/h is 6h+12a-2 in the function f(x)=4-2x+6 $x^{2}$ .

Given a function f(x)=4-2x+6 $x^{2}$ .

We are told to find out the value of f(a), f(a+h) and [f(a+h)-f(a)]/hwhere h≠0.

Function is like a relationship between two or more variables expressed in equal to form.The value which we entered in the function is known as domain and the value which we get after entering the values is known as codomain or range.

f(a)=4-2a+6 $a^{2}$ (By just putting x=a).

f(a+h)== $4-2(a+h)+6(a+h)^{2}$

=4-2a-2h+6( $a^{2} +h^{2} +2ah$ )

=4-2a-2h+6 $a^{2} +6h^{2} +12ah$

= $6a^{2} +6h^{2}-2a-2h+12ah$

[f(a+h)-f(a)]/h=[ $6a^{2} +6h^{2}-2a-2h+12ah$ -(4-2a+6 $a^{2}$ )]/h

= $(6a^{2} +6h^{2} -2a-2h+12ah)/h$

= $(6h^{2} -2h+12ah)/h$

=6h+12a-2.

Hence the value of function f(a)=4-2a+6 $a^{2}$ , f(a+h) is $6a^{2} +6h^{2} -2a-2h+12ah$ , [f(a+h)-f(a)]/h is 6h+12a-2 in the function f(x)=4-2x+6 $x^{2}$ .

Learn more about function at brainly.com/question/10439235

#SPJ1

7 0

2 years ago

Use three of the numbers 3,4,5,12, or 15 to complete the number sentence. Do not use any number more than once. ( _____ - _____

Stella [2.4K]

Answer:3

Step-by-step explanation:

15-3=12÷4=3

7 0

3 years ago

Help me pls, question is on the picture

Zinaida [17]

Answer:

I just learned this about a few weeks ago I hope this helps.

Step-by-step explanation:

Since it's cosine you're only looking at Adjacent and the hypotenuse which the adj is 20 and the hyp is 25 so since cosine is adj/hyp you do 20/25 then simplify it to 20/25 divide both by 5 so it's simplified to 4/5.

Then you do Cos-1(4/5)=36.869 which is rounded to the tenth 36.9 but rounded to the hundredth 36.87.

Hope this helps

6 0

2 years ago