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3 years ago

Alvin is 13 years older than Elga. The sum of their ages is 67. What is Elga's age? years old

Mathematics

2 answers:

irinina [24]3 years ago

8 0

Answer:

54 years old

Step-by-step explanation:

You have to subtract his age from the total. 67-13=54

Ivan3 years ago

7 0

Answer:

54 years old

Step-by-step explanation:

you have to subtract his age from the others

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2. Find the lateral area of the pyramid to the nearest whole number.

Paladinen [302]

Answer:

What is the height of each triangle side?

Step-by-step explanation:

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3 years ago

One of the legs of a right triangle is 9 cm. If the area of the triangle is 225 cm², then the length of the other leg is

ioda

Given:

One of the legs of a right triangle is 9 cm.

The area of the triangle is 225 cm².

To find:

The length of the other leg.

Solution:

The area of a triangle is

$Area=\dfrac{1}{2}\times Base\times Height$

The area of a right triangle is

$Area=\dfrac{1}{2}\times (leg_1)\times (leg_2)$

Let x be the length of other leg.

$225=\dfrac{1}{2}\times (9)\times (x)$

$2\times 225=9x$

$\dfrac{450}{9}=x$

$50=x$

Therefore, the length of the other leg is 50 cm.

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3 years ago

BRIANLIESTT!!!!GIVING

balu736 [363]

Answer:

Step-by-step explanation:

x - 9 = 0

+ 9 + 9

---------------

x = 9

6 0

3 years ago

Read 2 more answers

What is the slope of the line that passes through the points (10,5) and (9,5)? Write

Alex_Xolod [135]

Answer:

slope of line is 0.

Step-by-step explanation:

Slope of a line passing through (x1,y1) and (x2,y2) is given by

m = (y2-y1)/(x2-x1)

Given points are (10,5) and (9,5)

thus

slope = (5-5)/(9-10) = 0/-1 = 0

Thus, slope of line is 0.

When slope of line is zero it means that the line the which passes through given point is parallel to x-axis.

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