3 years ago

I just need help answering the word problem

Mathematics

1 answer:

AVprozaik [17]3 years ago

6 0

Answer:the answer would be A

Step-by-step explanation: a squared plus b squared= c squared?

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Let f(x) = 3x + 5. Solve f−1(x) when x = 3

Gennadij [26K]

Answer:

Step-by-step explanation:

The function f(x) is 3x+5

● (f-1)(x) = 3x+5 -1

● (f-1)(x) = 3x+4

Replace x with 3

● (f-1)(x) = 3×3+4 = 13

8 0

3 years ago

The ratio of the number of volleyball to the number of basketballs in the P.E room is 4:7 .there are 21 basketballs . How many v

densk [106]

Let volleyball be v and let basketball be b.

v : b = 4 : 7, b = 21

v : 21 = 4 : 7

v/21 = 4/7

7*v = 4*21

v = 4*21/7

v = 4*3

v = 12

Volleyballs are 12

Hope this helps.

8 0

3 years ago

Graph the image of this figure after a dilation with a scale factor of 12 centered at the origin.

andreev551 [17]

Answer:

The vertices of image are (-48,48), (24,24) and (72,96).

Step-by-step explanation:

From the figure it is noticed that the vertices of triangle are (-4,4), (2,2) and (6,8).

The scale factor is 12 and the dilation is about the origin.

If a figure is dilated about the origin with scale factor k, then

$(x,y)\rightarrow (kx,ky)$

Since the scale factor is 12.

$(x,y)\rightarrow (12x,12y)$

The vertices of image are

$(-4,4)\rightarrow (-48,48)$

$(2,2)\rightarrow (24,24)$

$(6,8)\rightarrow (72,96)$

Therefore the vertices of image are (-48,48), (24,24) and (72,96). The graph of image is shown below.

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3 years ago

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Marlene lives in a building where half the residents live on the first floor and half live on the second floor. She wants to est

Liula [17]

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4 years ago

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Find the slope of the given line. Please see attached photo. Thank you

valentinak56 [21]

Answer:

Step-by-step explanation:

Find two points which lie on the line :

Take (-2, -1) and (-1, -3)

Formula for slope (m) :

m = y₂ - y₁ / x₂ - x₁
m = -3 + 1 / -1 + 2
m = -2/1
m = <u>-2</u>

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2 years ago

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