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2 years ago

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Ken and Tami are making necklaces. Ken makes 25 necklaces. Tami makes m more necklaces than ken. Which expression represents the

total number of necklaces ken and tami made

1 answer:

aksik [14]2 years ago

7 0

Answer: 2m + 25

Step-by-step explanation:

Number of necklaces Tami makes = 25 + m

Total = m + 25 + m = 2m + 25

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A circular mirror is surrounded by a metal frame. The radius of the mirror is 2x. The side length of the metal frame is 12x. Wha

meriva

Answer:

$Area\ of\ th\e metal\ frame = 65.5x^{2}\ (unit)^{2}$

Step-by-step explanation:

Assuming that the metal frame is a square metal frame because the length of the side of the metal frame is given.

Given:

Radius of the mirror = 2x unit

Side length of the square metal frame = 12x unit

We need to find the area of the metal frame.

Solution:

First we find the area of the circular mirror, using area formula of the circle.

$A_{c} = \pi r^{2}$

Where, r = Radius of the object.

Substitute r = 2x in above equation.

$A_{c} = \pi (5x)^{2}$

$A_{c} = \pi (25x^{2})$

$A_{c} = 25\pi x^{2}\ (unit)^{2}$

Now, we find the area the square, using area formula of the square.

$A_{S} = (Side\ length)^{2}$

$A_{S} = (12x)^{2}$

$A_{S} = 144x^{2}\ (unit)^2}$

So, the area of the square metal frame is given as

$A_{f}=A_{s}-A_{c}$

$A_{f}=144x^{2}-25\pi x^{2}$

$A_{f}=(144-25\pi) x^{2}$

$A_{f}=(144-25\times 3.14) x^{2}$

$A_{f}=(144-78.5) x^{2}$

$A_{f}=65.5 x^{2}\ (unit)^{2}$

Therefore, the area of the metal frame is $65.5x^{2}\ (unit)^{2}$ .

5 0

2 years ago

What is the vertex of y=2(x+3)²+6

Usimov [2.4K]

Since the equation is given in vertex form, you can easily find the vertex.
The vertex form of the equation of a parabola is $y=a(x-h)^2+k$ . The vertex is (h, k).
In your question, the vertex is (-3, 6).

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2 years ago

Finding area of rectangle

drek231 [11]

Answer:

A=wl

w=width

l=length

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

(-3/4) divided by 2/9 =<br><br><br> Please show steps.

brilliants [131]

Answer:

-27/8

Step-by-step explanation:

Dividing fractions is the same as multipling the first fraction by the reciprocal of the second fraction (the numerator and denomiator are flipped).

= -3/4 x 9/2

= -27/8

You can simplify this if you want so it's not a mixed fraction

= -3 3/8

8 0

2 years ago

Number 11 and 12 I will add points!

PIT_PIT [208]

Answer:

11 is 27m i can't see the question for 12 tho

Step-by-step explanation:

8 0

2 years ago