Example Question - solving math problems
Here are examples of questions we've helped users solve.
Solving Mathematical Expression with Multiplication and Division
Để giải quyết bài toán trong hình ảnh bạn cung cấp, chúng ta cần thực hiện phép nhân và phép chia cho các số đã cho. Dưới đây là cách làm: Phép nhân: \[ 132 \times 145 = 19140 \] Sau đó, ta nhân kết quả này với 100 (theo qui tắc khi nhân một số với 100, chúng ta chỉ cần thêm hai số 0 vào cuối số đó): \[ 19140 \times 100 = 1914000 \] Tiếp theo, chúng ta thực hiện phép chia: \[ 145 \times 133 - 46 = 19285 - 46 = 19239 \] Cuối cùng, để tìm kết quả của biểu thức bạn cung cấp, chúng ta cần chia hai kết quả mà ta đã tìm được ở trên: \[ \frac{1914000}{19239} \approx 99.565 \] Vậy kết quả xấp xỉ của biểu thức sau khi thực hiện các phép tính là khoảng 99.565.
Solving Math Problems Involving Coin Values
The image shows a math worksheet with questions related to the value of coins in terms of fractions and decimals of a dollar, and questions about quantities of coins based on their value in dollars. Unfortunately, some text appears to be cut off, but we can still attempt to solve the visible questions: 1. Write the fraction and the decimal. a) What fraction of a dime is a penny? b) What fraction of a dollar is a penny? c) What fraction of a dollar is a dime? 2. Hiro has pennies worth 0.5 dimes. How many pennies does he have? b) Naomi has pennies worth 0.5 dollars. How many pennies does she have? c) Who has more pennies? Now let's solve these questions: 1a) One dime is worth 10 cents, and one penny is worth 1 cent. Therefore, one penny is \( \frac{1}{10} \) of a dime. The decimal equivalent is 0.1. 1b) One dollar is worth 100 cents, and one penny is worth 1 cent. Thus, one penny is \( \frac{1}{100} \) of a dollar. The decimal equivalent is 0.01. 1c) One dollar is worth 100 cents, and one dime is worth 10 cents. Therefore, one dime is \( \frac{10}{100} \) or \( \frac{1}{10} \) of a dollar. The decimal equivalent is 0.1. 2. a) Since one dime is equal to 10 pennies, if Hiro has pennies worth 0.5 dimes, he has \( 0.5 \times 10 = 5 \) pennies. 2. b) One dollar is worth 100 pennies. If Naomi has pennies worth 0.5 dollars, she has \( 0.5 \times 100 = 50 \) pennies. 2. c) Between Hiro and Naomi, Naomi has more pennies since she has 50 pennies and Hiro has only 5 pennies.
Math Word Problem: Time between Meetings
The image contains a math word problem which reads: "Ray's 2-hour meeting started at 9:00 am. He has to leave work by 2:15 pm." Following the problem, there's a question that asks: "14. How much time does he have between the end of the meeting and the time he has to leave?" The options given are: A. 2 hours 15 minutes B. 3 hours 45 minutes C. 3 hours 15 minutes D. 2 hours 45 minutes To solve this problem: 1. Find the end time of the meeting. Since the meeting started at 9:00 am and it's a 2-hour meeting, it will end at 11:00 am (9:00 am + 2 hours = 11:00 am). 2. Calculate the difference between the end of the meeting and the time he has to leave work. He has to leave by 2:15 pm. From 11:00 am to 2:15 pm, the difference is: 2:15 pm - 11:00 am = 3 hours and 15 minutes. So the correct answer is: C. 3 hours 15 minutes
Solving a Mathematical Expression using PEMDAS
This mathematical expression follows the order of operations, which is commonly known by the acronym PEMDAS (Parentheses, Exponents, Multiplication and Division from left to right, Addition and Subtraction from left to right). Let's solve the expression step-by-step: \[8 ÷ 2(2 + 2) = ?\] First, solve the addition inside the parentheses: \[8 ÷ 2(4) = ?\] Next, perform the division and multiplication from left to right: \[4(4) = ?\] Now, multiply: \[16 = ?\] So, the answer to the expression is: \[16\]
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