7 cubes.
imagine that ∆ are the blocks, it should be something like this:
∆
∆∆
∆∆∆
∆∆∆∆
∆∆∆∆∆
∆∆∆∆∆∆
∆∆∆∆∆∆∆
Add up everything 28 comes.
Let x be the number multiplied by 7.
We get 7x.
At least 30 means GREATER THAN OR EQUAL TO 30 or ⩾ 30.
Put it all together now.
7x ⩾ 30
Divide both sides by 7.
x ⩾ 30/7
Done!
Answer:
D. d=50°
Step-by-step explanation:
As the sum of all of the angles of a triangle are 180°, the student found the angle incorrectly.
The correct answer would be
Answer:
4000
Step-by-step explanation:
Your calculator can work this problem for you.
Dish A has 4000 times as many bacteria as dish B.