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3 years ago

Can somebody help me with this please

Mathematics

2 answers:

UNO [17]3 years ago

8 0

I think the answer to 1 is Friday

Igoryamba3 years ago

6 0

Number 4 is monday, tuesday, and probably wednesday

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Use the rule (x,y) (3x,2y) to find the image for the preimage defined by the given points.

Elina [12.6K]

Answer: The points of the images are (9,10), (15,6), (6,4) and the image is not a rigid motion because the shape changes in side.

Step-by-step explanation:

Since it gives you the scale factor then find they coordinates by multiplying the coordinates by the scare factor.

A(3,5) → (3*3,5*2) → (9,10)

B( 5,3) → (5*3, 3*2) → (15,6)

C ( 2,3)→ (2*3, 2*2)→ ( 6,4)

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3 years ago

Below is a set of data about temperatures. The range of a set of data is the distance between the lowest and highest value in th

iren [92.7K]

I get 27 degrees C!!!!!!!!!!

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2 years ago

The sector COB is cut from the circle with center O. The ratio of the area of the sector removed from the whole circle to the ar

mafiozo [28]

Answer:

$Ratio = \frac{R^2 - r^2 }{ r^2}$

Step-by-step explanation:

Given

See attachment for circles

Required

Ratio of the outer sector to inner sector

The area of a sector is:

$Area = \frac{\theta}{360}\pi r^2$

For the inner circle

$r \to radius$

The sector of the inner circle has the following area

$A_1 = \frac{\theta}{360}\pi r^2$

For the whole circle

$R \to Radius$

The sector of the outer sector has the following area

$A_2 = \frac{\theta}{360}\pi (R^2 - r^2)$

So, the ratio of the outer sector to the inner sector is:

$Ratio = A_2 : A_1$

$Ratio = \frac{\theta}{360}\pi (R^2 - r^2) : \frac{\theta}{360}\pi r^2$

Cancel out common factor

$Ratio = R^2 - r^2 : r^2$

Express as fraction

$Ratio = \frac{R^2 - r^2 }{ r^2}$

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2 years ago

Find the slope of f(x) = -3x +7

Arisa [49]

Answer:

-3

Step-by-step explanation:

consider f(x)=y

y=-3x+7

compare with y=mx+c

slope m=-3

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3 years ago

7. Rachel rode her bike for one-fifth of a mile on Monday and two-fifths of a mile on Tuesday. How many miles did she ride altog

solong [7]

Answer:

miles did she ride altogether?

Step-by-step explanation:

hak you have a great day ate it to me y

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1 year ago