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2 years ago

14

Can some help me with this, it’s urgent pls? It’s geometry

1 answer:

Mama L [17]2 years ago

7 0

6. the name is circle x (due to the central point)
7. the diameter is segment WY
8. radius is 1/2 of the diameter so 1/2(15) = 7.5 meters
9. diameter is 2 times the radius so 2(4) = 8 cm
10. segment XW, segment XZ, segment XY
11. arc YW, arc WZ, arc ZY

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The cost of 4 kilograms of cheese is 50 dollars. which equation shows this in function notation?

Xelga [282]

$50 corresponds to 4 kg That means there must be a number that when you multiply by 4 you get 50. Let that number be k. k is the price of cheese per kg. 1 kg: y = k * 1 2 kg: y = k * 2

8 0

3 years ago

Pls help, i really need help with. i will mark brainliest with the best/correct answer!!!

Ne4ueva [31]

Answer:

Number 1 is 12.

Step-by-step explanation:

{Solve by cross multiplication}

17 • x = 3 • (80 - x)

{Multiply 3 by distribution,}

17x = 240 - 3x

{Add 3x to both sides of the equation,}

20x = 240

{Divide through out by 20,}

20r/20 = 240/20

x = 12

Thus there were 12 pens :)

6 0

3 years ago

Write the equation of a circle with a center at (-2, 3) and a radius of 4.

Ivan

Answer:

The equation of a circle:

$(x+2)^2+(y-3)^2 = 16$

Step-by-step explanation:

The equation of a circle:

$(x-h)^2+(y-k)^2 = r^2$

(where the center is known as $(h,k)$ and the radius, known as $r$ ).

-Since you already have the center and the radius, use them for the equation of a circle:

Center: $(-2,3)$

Radius: $4$

$(x+2)^2+(y-3)^2 = 4^2$

After you have the equation of a circle, simplify the radius by the exponent $2$ :

$(x+2)^2+(y-3)^2 = 16$

So, you have found the equation of a circle.

5 0

3 years ago

Do parallel lines need to be the same length

Bad White [126]

Answer:

No as long as they don't touch each other

mark brainlist please!!

3 0

3 years ago

Read 2 more answers

the coat of a customers smartphone bill can be modeled by the equation C=10g+50 where g is the number of gigabits of data the cu

natulia [17]

Answer:

$C=10(g+5)$

Step-by-step explanation:

Given the cost of a customers smartphone bill,

C=10g+50

We are required to factor the polynomial.

First, determine the G.C.D of both terms

The GCD of 10g and 50 is 10

Next, we divide each of the term by 10 and balance it by multiplying the expression by 10.

$C=10g+50\\=10(\frac{10g}{10}+\frac{50}{10})\\C=10(g+5)$

The cost polynomial factored is C=10(g+5).

4 0

3 years ago