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BaLLatris [955]

3 years ago

6

A circle and the lateral surface of a cone .

1 answer:

Anton [14]3 years ago

6 0

In the case of a solid object, the boundary formed by these lines or partial lines is called the lateral surface; if the lateral surface is unbounded, it is a conical surface

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A father has $500,000. After he pays expenses, he wants to divide what is left between his 4 children. The expenses total $120,0

Wittaler [7]

Answer: 95,000

Step-by-step explanation:

$500,000 - $120,000 = 380,000

380,000/4 = $95,000

5 0

3 years ago

Andy's Rental Car charges an initial fee of $20 plus an additional $30 per day to rent a car. Buddy's Rental Car charges an init

dybincka [34]

First, Make 2 equations to show each company in which "x" equals the number of days:

Andy's Rental Car = 20 + (30x)
Buddy's Rental Car = 36 + (28x)

Set it up like this:

20 + (30x) = 36 + (28x)

Now, solve for x by simplifying both sides of the equation and then isolating the variable.

x = 8

8 Days

7 0

3 years ago

Find the sum of the Interior angle measures of a convex 11-gon (an eleven-sided polygon).

Nesterboy [21]

Answer:

1620 degrees.

Step-by-step explanation:

In a polygon the number of sides = the number of angles.

Each external angle = 360 / 11 = 32 8/11 degrees.

Each internal angle = 180 - 32 8/11 = 147 3/11 degrees

So sum = 147 3/11 * 11

= 1617 + 3

= 1620 degrees.

4 0

3 years ago

Read 2 more answers

Simplify the expression

Natalija [7]

Step 1 :

(23 x 2 - 5) • x 3

Step 2 :

Trying to factor as a Difference of Squares :

Factoring: 8 x 2-5

Theory : A difference of two perfect squares, A2 - B2 can be factored into (A+B) • (A-B)

Proof : (A+B) • (A-B) =

A2 - AB + BA - B2 =

A2 - AB + AB - B2 =

A2 - B2

Answer:

(8 x 2 - 5) • x 3

3 0

3 years ago

Please please please answer!!!!

AlexFokin [52]

(1) $12\frac{1}{2} -9\frac{1}{4}$

Let us convert mixed fraction into improper fraction.

$$12\frac{1}{2} -9\frac{1}{4}=\frac{25}{2} -\frac{37}{4}$

Make the denominator same.

$$=\frac{25\times2}{2\times2} -\frac{37}{4}$

$$=\frac{50}{4} -\frac{37}{4}$

$$=\frac{13}{4}$

Now convert improper into mixed fraction.

$$12\frac{1}{2} -9\frac{1}{4}=3\frac{1}{4}$

(2) $5\frac{3}{4}-2\frac{5}{12}$

$$5\frac{3}{4}-2\frac{5}{12}=\frac{23}{4}-\frac{29}{12}$

Make the denominator same.

$$=\frac{23\times3}{4\times3}-\frac{29}{12}$

$$=\frac{69}{12}-\frac{29}{12}$

$$=\frac{40}{12}$

$$5\frac{3}{4}-2\frac{5}{12}=3\frac{4}{12}=3\frac{1}{3}$

(3) $7\frac{1}{5}-3\frac{7}{10}$

$$7\frac{1}{5}-3\frac{7}{10}=\frac{36}{5}-\frac{37}{10}$

Make the denominator same.

$$=\frac{36\times2}{5\times2}-\frac{37}{10}$

$$=\frac{72}{10}-\frac{37}{10}$

$$=\frac{35}{10}$

$$7\frac{1}{5}-3\frac{7}{10}=3\frac{5}{10}=3\frac{1}{2}$

(4) $11\frac{2}{3}-8\frac{1}{2}$

$$11\frac{2}{3}-8\frac{1}{2}=\frac{35}{3}-\frac{17}{2}$

$$=\frac{35\times2}{3\times2}-\frac{17\times3}{2\times3}$

$$=\frac{70}{6}-\frac{51}{6}$

$$=\frac{19}{6}$

$$11\frac{2}{3}-8\frac{1}{2}=3\frac{1}{6}$

5 0

4 years ago