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2 years ago

In an auditorium,10,200 people were seated in 12 rows. Find number of people in each row. ____________

Mathematics

1 answer:

dalvyx [7]2 years ago

4 0

Answer:

850 people

Step-by-step explanation:

10,200 people in 12 rows

÷ 12 on both sides:

$\frac{10200}{12}$ people in $\frac{12}{12}$ rows

$850$ people in $1$ row.

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What is the measure of n? 12 4 n m

Solnce55 [7]

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2 years ago

Factor 5v^2 - 23v - 10

AfilCa [17]

Answer:

$(5v + 2)(v - 5)$

Step-by-step explanation:

Hello!

The expression is written in the form of $ax^2 + bx + c$

Let's factor by grouping:

$ac = -50$

The sum of the factors of -50 should add up to -23.

-25 and 2 work for this.

Expand and factor:

$5v^2 - 23v - 10$
$5v^2 - 25v + 2v - 10$
$5v(v - 5) +2(v -5 )$
$(5v + 2)(v - 5)$

The factored expression is $(5v + 2)(v - 5)$

7 0

1 year ago

A plane perpendicular to the base of a cone passes through the apex. Which shape is formed by the intersection?

worty [1.4K]

Answer:

D) triangle

Step-by-step explanation:

The attached image may be helpful to visualizing what the cross section looks like. It is a triangle.

5 0

2 years ago

Read 2 more answers

Please please please help me!

OleMash [197]

Answer:

<76

Step-by-step explanation:

Remark

You can't do this problem unless CD and E are all on the same line. If they are, then you can use || line properties.

Properties

<ABG = x Given

<ABG = <BGF Alternate interior angles are equal.

<BGF = x Substitute

x + 2x - 9 = 180 Consecutive angles in a ||gram equal 180 degrees.

3x - 9 = 180 Add 9 to both sides

3x - 9 +9 = 180 +9

3x = 189 Divide by 3

x = 63

<DHG = 2x - 50 Given

<DHG = 2*63 - 50 Substitute for x

<DHG = 76

<IDC = 76

<DHG and <IDC are corresponding angles and are equal; it is a property of parallel lines.

6 0

3 years ago

Solve the equation. 5(x-3) - 10 = 0 X=

ss7ja [257]

Answer:

x = 5

Step-by-step explanation:

Report if wrong

-Stylez-

6 0

2 years ago