MATHEMATICS MIDDLE SCHOOL

Figure A is a scale image of figure b. What is the value of X?

Answers

Answer 1

Answer:

Answer:

x = 4.4

Step-by-step explanation:

To determine the scale factor, calculate the ratio of corresponding sides, image to original, that is

$(x)/(11)$ = $(4)/(10)$ ( cross- multiply )

10x = 44 ( divide both sides by 10 )

x = 4.4

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Jeanine is twice as old as her brother Marc. If the sum of their age is 24, how old is Jeanine

Answers

Jeanine is 12 years old

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Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Calculate the area of the composite figure, which is not drawn to scale.

Answers

The total area of the composite figure will be equal to 488 square meters.

What is an area?

The space occupied by any two-dimensional figure in a plane is called the area. Here we have two figures a rectangle and a right-angle triangle.

We have the following data:-

Rectangle L = 22 cm
Rectangle w= 17 cm
Triangle B= 19 cm
Trinagle H= 22-10= 12 cm

Total area = Area of rectangle + Area of triangle

Total area = (L x W) + (1 / 2)[ B x H]

Total area = ( 22 x 17 ) + (1 / 2)[ 12 x 19 ]

Total area = ( 374 + 114 ) = 488 sq2uare meters

Therefore the total area of the composite figure will be equal to 488 square meters.

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First, I would multiply 17cm by 22cm to get 374, which is the area of the rectangle. Then to find the area of the triangle, I would multiple 12cm by 19cm and the divide that by half to get 114. I would then add 374+114 to get 488cm as your answer.

What is greater 1 kg or 1200g

Answers

1 kg $\leq$ 1200g

1 kg = 1000g
1000g is smaller than 1200g

1200g because, on a metric scale, from kg to g is 3. (3 decimal places) So, from 1kg to g is 1000g, which is less than 1200g.

Solve using a system of equations. Lucia wants to go ice skating. She must pay for admission and then rent ice-skates. Rates for two rinks near her home are shown below.Ice Plex
$5 for Admission plus $2 per hour of skate rental

Skate World
$10 for admission plus $1 per hour for skate rental

Let x represent the cost of admission in dollars and let y represent the number of hours skates are rented for. Write a system of equations to represent the problem.

Please help! I cannot figure this out

Answers

Ice Plex -Y = 2x+5Skate World-Y = 10x+1

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