Use the following function rule to find f(5). f(x) = 2x f(5) = Submit

Mathematics

1 answer:

nikitadnepr [17]3 years ago

8 0

Step-by-step explanation:

f(5) = 2(5) = 10

hope this helps

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The sum of 6 times a number and 8 times another number is 12. The difference of those numbers is 9. What are the two numbers

Inga [223]

Answer:

(x,y): (6 , -3) or (-30/7 , 33/7)

Step-by-step explanation:

6x + 8y = 12

x = y + 9 or y = x+ 9

if x = y+9

6*(y+9) + 8y = 12

14y = -42

y = -3 and x = 6

if y = x+9

6x + 8*(x+9) = 12

14x = -60

x = -30/7 and y = 33/7

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xenn [34]

Answer:

angle ABC = angle MNP

(See the single curved shape at angle B? Match it to the same one on the other triangle. The same with the double and triple angles. The marks in the middle of the lines work the same way. Lines BC, BA, NM, and NP are all the same length.)

Step-by-step explanation:

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3 years ago

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State whether the ratios form a proportion.

Liula [17]

16 to 18 simplifies down to 8 to 9 because you divide 2 to both terms
24 to 27 simplifies down to 8 to 9 because you divide 3 to both terms
So yes
A

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3 years ago

The diagram shows a circle inside a semicircle.

rjkz [21]

A circle inside a semicircle is depicted in the diagram. The circle measures 10 cm in diameter. The semicircle has a 20 cm diameter. Calculate the shaded area. Give a precise response to the nearest decimal point.

The area of the shaded region is 39.3 $cm^{2}$ .

Given the diagram shows a circle inside a semicircle.

Every point in the plane of a circle, which is a closed, two-dimensional object, is evenly separated from the center. All lines that cross the circle join together to produce the line of reflection symmetry. Every angle also possesses rotational symmetry about its center.

Area of a circle = $\pi r^{2}$ .

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Area of a semicircle = $\frac{1}{2} \pi r^{2}$ .