How many 25cm diameter cake tins will fit into 600mm by 500mm oven space
Answers
The surface of the oven space is 600 × 500 = 300000 mm^2 = 3000 cm^2; The surface oh a cake tins is π × (25^2) = 625π ≈ 1963 cm^2; 3000 ÷ 1963 ≈ 1.5; The anser is 1 cake tins fit into oven space.
It takes 10 minutes to bake a batch of cookies. You need to bake 7 batches of cookies. How long will it take to bake all the cookies?
Answers
You know 1 batch of cookies = 10 minutes
Now, 7 batch of cookies = ? To do this just do 7×10=70. So the answer is 70 minutes = 7 batch of cookies.
You can also set up a proportion.
10 x __ = ____ 1 7
Cross multiply and 7×10=70 and 10x. So now its like this. 70= 10x ÷10 ÷10 _________ 7=x
So the answer is 7.
Rita makes sidewalk chalk two days a week each of those days she spent one one fourth hour making the chalk how much times does rita spend making sidewalk chalk in 3 weeks
Answers
1 hr 30 min One 1/4 hour= 15 min Twice a week= 30 min 1 week= 30 min x3. Week x3 3 week= 90 min 90 min= 1 hr. 30 min
Answer: 7 2/4 hours a week
Step-by-step explanation:
1 1/4 x 2 = 10/4
10/4 x 30/4
30/4 = 7 2/4
Juliet opened a savings account at a bank by depositing $75. The account earns simple interest at a rate of 4% per year. The money has been in the account for 5 years, and Juliet has not made any more deposits or withdrawals. How much money is in Juliet’s account?A) $270.00 B) $78.00 C) $80.00 D) $90.00
Answers
The money has been in the account for 5 years. This means that the amount of deposit was increased for 5 times. 75*1.04*1.04*1.04*1.04*1.04=75*1.04^5≈91.3 $ In this way i prefer to chose D) $90.00 beacuse it's the nearest number
What is the number of edges in a pyramid with seven faces
Answers
There would be 12 edges in a 7-sided pyramid. There would be 7 vertices in this pyramid, each point.
What is the value of the variable?
19b = 38
Answers
The answer is 2. You divide 19 to sides of the equation, so you will get b=38/19, therefore your final answer is 2.