Remedial Pas Kelas 9

The given question provides information about the scale of the map, which is 1:500,000. This means that 1 cm on the map represents 500,000 cm in real life. The distance between city A and city B on the map is 5 cm. Therefore, the actual distance between the two cities can be calculated by multiplying 5 cm by 500,000 cm/km, which equals 2,500,000 cm or 25 km.

The given expression involves a combination of addition, subtraction, multiplication, and division. Following the order of operations, we first perform the multiplication, then the subtraction, and finally the division. Thus, we have 60 x 4 = 240, 2.800 : 35 = 80. Therefore, the expression becomes 615 - 240 - 80, which equals 295.

The question states that there are 35 students in class VII at SMP Al Yauma, and 2/5 of them are male students. To find the number of male students, we can multiply 35 by 2/5. Multiplying 35 by 2 gives us 70, and dividing that by 5 gives us 14. Therefore, there are 14 male students in class VII at SMP Al Yauma.

When multiplying square roots, you can combine the numbers inside the square roots by multiplying them together. In this case, √3 × √50 = √(3 × 50) = √150. Then, when dividing square roots, you can simplify the expression by dividing the numbers inside the square roots. So, √150 ÷ √10 = √(150 ÷ 10) = √15. Therefore, the correct answer is √15.

The scale used to draw the tree on paper is 1:50. This means that for every 1 unit of measurement on the paper (in this case, 1 cm), it represents 50 units of measurement in real life (in this case, 1 meter). Since the height of the tree is 12 meters, it would be represented as 24 cm on the paper (12 meters * 50 = 600 cm, which is then divided by the scale of 1:50). Therefore, the scale used is 1:50.

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Budi should buy the bag at the "Mawar" store because it offers the lowest price after the discount. The original price of the bag at "Mawar" is Rp 115,000.00, and with a 10% discount, the final price will be lower compared to the other stores.

The pattern in the square is formed by adding 4 more matchsticks to each side of the previous square. Starting with 4 matchsticks in the first square, the number of matchsticks in each subsequent square can be calculated by adding 4 to the previous square. Therefore, the number of matchsticks in the 7th square would be 4 + (4 x 6) = 28. However, since each matchstick has two ends, the total number of matchsticks in the 7th square would be 28 x 2 = 56. Therefore, the correct answer is 112.

The pattern in the given sequence is that each number is obtained by adding the previous number by an incrementing value. The first number is 4, and the incrementing value is 4. So, to find the next number, we add 4 to the previous number. Thus, the next three numbers in the sequence would be 22 + 4 = 26, 26 + 4 = 30, and 30 + 4 = 34. However, none of the answer choices match this pattern, so the correct answer is not available.

The correct answer is 59 because when we divide 813 by 4, we get 203.25 and when we divide 645 by 6, we get 107.5. Adding these two results together, we get 310.75. Rounding this to the nearest whole number, we get 311. The correct answer is obtained by subtracting 252 from 311, which equals 59.

The ratio of Doni, Eka, and Fanny's money is 3:5:4. If the total amount of money that Doni and Fanny have is Rp 56,000, then we can calculate the amount of money that Eka has. Let's assume that Doni has 3x amount of money, Eka has 5x amount of money, and Fanny has 4x amount of money. Since the total amount of money that Doni and Fanny have is Rp 56,000, we can set up the equation 3x + 4x = 56,000. Solving this equation, we find that x is equal to Rp 8,000. Therefore, the difference between Eka and Doni's money is 5x - 3x = 2x, which is equal to 2 * Rp 8,000 = Rp 16,000.

The length of ED is 6 cm because in congruent triangles, corresponding sides are equal. Therefore, since triangle ABC is congruent to triangle DEF, the length of ED must be equal to the length of BC, which is 6 cm.

To find the initial savings of Syifa, we need to calculate the principal amount. The formula to calculate the principal amount is: Principal = Final Amount / (1 + (interest rate * time)). In this case, the final amount is Rp 3,815,000, the interest rate is 12% per year, and the time is 9 months or 9/12 years. Plugging these values into the formula, we get: Principal = 3,815,000 / (1 + (0.12 * (9/12))). Simplifying the equation, we get Principal = 3,815,000 / (1 + 0.09). Evaluating further, Principal = 3,815,000 / 1.09 = Rp 3,500,000. Therefore, the initial savings of Syifa in the cooperative is Rp 3,500,000.

The given expression is a product of two binomials, (2x + 3) and (3x - 2). To find the simplified form, we multiply the terms of each binomial using the distributive property.

First, we multiply the first terms of each binomial: 2x * 3x = 6x^2.
Then, we multiply the outer terms: 2x * -2 = -4x.
Next, we multiply the inner terms: 3 * 3x = 9x.
Finally, we multiply the last terms: 3 * -2 = -6.

Combining all the terms, we get the simplified form: 6x^2 + 5x - 6.

The scale of a map is the ratio of the distance on the map to the actual distance on the ground. In this question, the actual distance between the two cities is given as 3.5 km. The distance on the map is given as 7 cm. To find the scale, we need to divide the distance on the map by the actual distance. 7 cm divided by 3.5 km is equal to 0.002 cm per meter. Since the scale is usually expressed as a ratio, we can convert this to 1:50,000 by multiplying both sides of the ratio by 50,000. Therefore, the correct answer is 1:50,000.

The given question states that the scale of the image is 1:300. This means that every unit on the image represents 300 units in real life. Since the answer is given in square meters, we can assume that the units being referred to are square units. Therefore, if the image shows a shape with an area of 360 square units, the actual area of the shape in real life would be 360 multiplied by 300, which equals 108,000 square units or 108,000 m².

The given expression is a simplified form of 3(2x - 1) - 8x + 6. By distributing the 3, we get 6x - 3. Then, combining like terms, we have 6x - 3 - 8x + 6. Simplifying further, we get -2x + 3. Therefore, the correct answer is -2x + 3.

The correct answer is "setengah dari" because the diagram shows a relationship between set K and set L where the elements in set L are half of the elements in set K.

There are 100 vehicles in total, consisting of cars and motorcycles. Let's assume there are x cars and y motorcycles. Since each car has 4 wheels and each motorcycle has 2 wheels, the total number of wheels can be expressed as 4x + 2y. Given that the total number of wheels is 450, we can write the equation 4x + 2y = 450. We also know that the parking fee for a car is Rp 10,000 and for a motorcycle is Rp 5,000. Therefore, the total parking fee can be calculated as 10,000x + 5,000y. By solving the equation system, we find that x = 75 and y = 25. Substituting these values into the total parking fee equation, we get 10,000(75) + 5,000(25) = 1,125,000. Hence, the correct answer is Rp 1,125,000.

The question states that a wooden plank is leaning against a wall. The length of the plank is given as 10 meters and the height of one end of the plank is given as 6 meters. The question asks for the distance between the foot of the plank and the wall. To find this distance, we can use the Pythagorean theorem. By applying the theorem, we can calculate that the distance is 8 meters.