3 years ago

Plsss help ❤️ ;))) :))))

Mathematics

1 answer:

Goshia [24]3 years ago

6 0

Answer: -7

Step-by-step explanation:

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A wheel has a diameter of 20 feet. What is the minimum number of complete revolutions that the wheel must make to roll at least

tiny-mole [99]

C. 16

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3 years ago

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Polygon ABCD is translated to create polygon A’B’C’D’. Point A is located at (1,5), and point A’ is located at (-2,3). Which exp

Molodets [167]

Answer:

The expression is (x,y) -----> (x-3,y-2)

Step-by-step explanation:

we have that

A(1,5) ----> A'(-2,3)

The rule of the translation is equal to

(x,y) -----> (x',y')

(x,y) -----> (x-3,y-2)

That means-----> the translation is 3 units at left and 2 units down

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3 years ago

2. A line goes through the points (7,8) and (3, 10).

Luda [366]

The formula of a slope (m):

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (7, 8) and (3, 10). Substitute:

$m=\dfrac{10-8}{3-7}=\dfrac{2}{-4}=-\dfrac{1}{2}$

a) point-slope form:

$y-y_1=m(x-x_1)$

Substitute:

$y-8=-\dfrac{1}{2}(x-7)$

b) slope-intercept form:

$y=mx+b$

$y-8=-\dfrac{1}{2}(x-7)\qquad|\text{use distributive property}\\\\y-8=-\dfrac{1}{2}x+\dfrac{7}{2}\qquad|\text{add 8}=\dfrac{16}{2}\ \text{to both sides}\\\\y=-\dfrac{1}{2}x+\dfrac{23}{2}$

4 0

4 years ago

at noon on monday the temperature was 13°f.by 6:00 pm,the temperature had dropped 9 degrees.by midnight the temperature had drop

MissTica

Answer:

-3°

Step-by-step explanation:

if you subtract 9 for 13 ,, you get 4

then when you subtract 7 from 4 it goes into the negative side and gets you negative 3 degrees

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3 years ago

Help me with this please

Helen [10]

Answer:

Inverse

Step-by-step explanation:

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3 years ago