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3 years ago

Answer asap ~~~~~V`

Mathematics

2 answers:

andriy [413]3 years ago

6 0

6 units

12 is also a diameter because it goes through the whole circle.

Divide it by 2 to find 6.

Pachacha [2.7K]3 years ago

4 0

The radius is 6.5 units. Because the length of A to B is 13 so half of that is 6.5.

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2.the solution set of x +y =5 and x-y =3

Nataliya [291]

Answer:

Check the solution below

Step-by-step explanation:

2) Given the equation

x +y =5... 1 and

x-y =3 ... 2

Add both equations

x+x = 5+3

2x = 8

x = 8/2

x = 4

Substitute x = 4 into 1:

From 1: x+y = 5

4+y= 5

y = 5-4

y = 1

3) Given

x+3y =15 ... 1

2x+7y=19 .... 2

From 2: x = 15-3y

Substitute into 2

2(15-3y)+7y = 19

30-6y+7y = 19

30+y = 19

y = 19-30

y = -11

Substitute y=-11 into x = 15-3y

x =15-3(-11)

x = 15+33

x = 48

The solution set is (48, -11)

4) given

x/2 +y/3 =0 and x+2y=1

From 1

(3x+2y)/6 = 0

3x+2y = 0.. 3

x+2y= 1... 4

From 4: x = 1-2y

Substutute

3(1-2y) +2y = 0

3-6y+2y = 0

3 -4y = 0

4y = 3

y = 3/4

Since x = 1-2y

x = 1-2(3/4)

x = 1-3/2

x= -1/2

The solution set is (-1/2, 3/4)

5) Given

5.x=1/2 and y =x +1 then solution is

We already know the vkue of x

Get y

y= x+1

y = 1/2 + 1

y = 3/2

Hence the solution set is (1/2, 3/2)

6) Given

3x +y =5 and x -3y =5

From 3; x = 5+3y

Substitute into 1;

3(5+3y)+y = 5

15+9y+y = 5

10y = 5-15

10y =-10

y = -1

Get x;

x = 5+3y

x = 5+3(-1)

x = 5-3

x = 2

Hence two solution set is (2,-1)

6 0

3 years ago

Every even number,except 2,is composite

Degger [83]

Yes. That's correct. Is that what you're asking...? To clarify, prime numbers have a single factor (one and itself) , composite numbers have multiple factors.

5 0

4 years ago

A blockbuster movie makes about $352,000,000 in the United States during its opening weekend. The same weekend another movie ope

Ivenika [448]

The combined revenue for the movies in scientific notation is $\$ 3.568 \times 10^8$ .

The given parameters;

first revenue made from the movie, = $352,000,000
second revenue made from the movie, = $4,800,000

The combined revenue from the movie is calculated by adding the two revenues together as shown below;

Total revenue = $352,000,000 + $4,800,000

Total revenue = $356800000 = $\$ 3.568 \times 10^8$

Thus, the combined revenue for the movies in scientific notation is $\$ 3.568 \times 10^8$

Learn more here:brainly.com/question/18911739

5 0

3 years ago

Camilla, Lincoln and Ella sat a French test. The test was marked out of 200 Camilla got 4/5 of the 200 marks. Lincoln got 44% of

Dafna1 [17]

Answer: Ella got the highest mark

Step-by-step explanation:

camilla got 160/200 because 200 divided by 5 = 40

lincoln got 88/200 because 44% of 200 is 88

ella got 198/ 200

6 0

3 years ago

Betty's grade in science class is affected by the number of missing assignments. The table below shows the science grade percent

Angelina_Jolie [31]

Hi!

$y=-5x+95$

Plug in $15$ for $x$

$y=-5(15)+95$

Multiply $-5$ and $15$

$y=-75+95$

Add $-75$ and $95$

$y =15$

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Betty's percentage is 15%.

The rate of change is the amount it changes for every missing assignment, therefore it would be -5.

5 0

3 years ago

Answer asap ~~~~~~~~~~~~~~~~~~~~~V~~~~~~~~~~~~~~~~`

Answer asap ~~~~~V`