3 years ago

A ball has a circumference of 9.42 cm. what is the diameter

Mathematics

1 answer:

Keith_Richards [23]3 years ago

6 0

2.998 correct me if wrong

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20. Sofia paid $11.80 for a pen, a marker, and a binder. The marker cost $0.80 more than the pen. The binder cost 4 times as muc

7nadin3 [17]

Answer:

$1.30

Step-by-step explanation:

Let x = the cost of the pencil

Let x + .80 = the cost of the pen

Let 4(x + .80) = the cost of the binder

x + x + .80 + 4(x + .80) = 11.80

2x + .80 + 4x + 3.20 = 11.80

6x + 4.00 = 11.80

6x = 7.80

x = $1.30

x + .80 = $2.10

4(x + .80) = $8.40

7 0

1 year ago

Read 2 more answers

Write 3x 3x 3x 3 x 3 using exponents

Ahat [919]

$3\cdot3\cdot3\cdot3\cdot3=3^5$

5 0

3 years ago

What would the variables for a and b be? 3/x + 5/x^2 = (ax+b)/x^2

allsm [11]

Answer:

a=3,b=5

Step-by-step explanation:

$\frac{3}{x} + \frac{5}{ {x}^{2} } \\ = \frac{3x}{ {x}^{2} } + \frac{5}{ {x}^{2} } \\ = \frac{3x + 5}{ {x}^{2} }$

so as you got it:

$\frac{(ax + b)}{ {x}^{2} } = \frac{3x + 5}{ {x}^{2} } \\ a = 3 \\ b = 5$

4 0

2 years ago

A map of Rockbridge County has a scale factor of

malfutka [58]

Answer: 6 inch

Step-by-step explanation:

From the question, we are informed that a map of Rockbridge County has a scale factor of 2.5 in = 5 miles.

When the actual distance from Fairfield to Lexington is 12 miles, the distance on the map will be:

= 12/5 × 2.5

= 2.4 × 2.5

= 6 inch

6 0

2 years ago

(Pls help i need this ASAP I got 5 min left) If ΔSTU is reflected over the y-axis, what are the coordinates of the vertices of Δ

Svetradugi [14.3K]

Answer:

T(2,4) S(3,2) U(1,1)

Step-by-step explanation:

5 0

2 years ago