![544620](/avatars/11532.jpg)
544620
22.12.2020 •
Mathematics
Need help on this please help
Solved
Show answers
More tips
- F Food and Cooking Discover Delicious Recipes You Can Make with Ground Meat...
- C Computers and Internet Google Search Tips and Tricks: Everything You Need to Know...
- S Science and Technology Why is there no gravity on other planets?...
- L Leisure and Entertainment How to Properly Wind Fishing Line onto a Reel?...
- L Leisure and Entertainment How to Make a Paper Boat in Simple Steps...
- T Travel and tourism Maldives Adventures: What is the Best Season to Visit the Luxurious Beaches?...
- H Health and Medicine Kinesiology: What is it and How Does it Work?...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
- L Leisure and Entertainment History of International Women s Day: When Did the Celebration of March 8th Begin?...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
Answers on questions: Mathematics
- M Mathematics Directions: Show all your steps as you solve the following problems. Round the solutions to the nearest hundredth if necessary. 7. On a 40‐point test, Steve received an 80%....
- M Mathematics Is the quotient 3.6÷9 greater than or less than 1?explain to a friend...
- M Mathematics PLEASE HELP PLEASE!! I ATTACHED A PICTURE...
- M Mathematics What is the value of the expression 44? Please help I only have an hour! I will give brainliest!...
- M Mathematics 5(y+2/5)=-13 what is y...
- M Mathematics HELP people say this is easy pleaseeeeee...
- M Mathematics An artist is going to cut four sımilar right triangles from a rectangular piece of paper like the one shown to the right. What is the distance from B and D to the diagonal...
- M Mathematics 25. A cellphone company charges a fixed rate of $40 plus 2 cents per text. If Ben s bill was $120, then how many text messages did he send?...
- M Mathematics Please help me again emergency...
- M Mathematics Find the end behavior of the function f(x)=2^-x sin 3x...
Ответ:
a. t = 98
b. b = 32
Step-by-step explanation:
4/7t - 20 = 36r; r = 1
4/7t - 20 = 36(1)
4/7t = 36 + 20
4/7t = 56
7/4 x 4/7t = 56 x 7/4
t = 98
2/5k = 1/2b - 12; k = 10
2/5(10) = 1/2b - 12
4 = 1/2b - 12
4 + 12 = 1/2b
16 = 1/2b
16 x 2/1 = 1/2b x 2/1
b = 32
Check:
a.) 4/7t - 20 = 36r; r = 1; t = 98
4/7(98) - 20 = 36(1)
(56) - 20 = 36
36 = 36 ✅
b.) 2/5k = 1/2b - 12; k = 10; b = 32
2/5(10) = 1/2(32) - 12
2/5(10) = (16) - 12
4 = 16 - 12
4 = 4 ✅
Ответ:
637.(7)39
Step-by-step explanation:
hope this helped