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astraxan [27]
3 years ago
8

Gina solved the inequality below. 16≥2y−4 What is the solution to Gina’s inequality? A 8≥y B y≤40 C y≤10 D 6≥y

Mathematics
1 answer:
Vinvika [58]3 years ago
4 0

Answer: y ≤ 10

Step-by-step explanation:

16 ≥ 2y -4

Add 4 to both sides

16 + 4 ≥ 2y - 4 + 4

20 ≥ 2y

divide through by 2

20/2 ≥ 2y / 2

10 ≥ y

Therefore :

y ≤ 10

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Jordan Pat 6 4/5 yards of pink ribbon and 3 1/4 yards of purple ribbon how much more pink ribbon the purple ribbon did she buy?
evablogger [386]
Hello! For this question, we will have to subtract fractions. In order to do this, we will have to convert the fractions into the same denominator. We do this by finding the LCD of the two numbers. In other words, we find the LCM. The LCM of 5 and 4 is 20. 4/5 converts to 16/20, and 1/4 converts to 5/20. Let's subtract these numbers like we would regular numbers. 6 16/20 - 3 5/20 is 3 11/20. There. Jordan bought 3 11/20 yards more pink ribbon than purple ribbon.
8 0
3 years ago
Ben and Josh went to the roof of their 40-foot tall high school to throw their math books off the edge.
krok68 [10]

Answer:

  • Josh's book lands first
  • Ben's lands about 0.648 seconds later

Step-by-step explanation:

Using the given equation for v=60 and s=40, the height of Ben's book is ...

  h(t) = -16t² +60t +40

We want to find t when h(t) = 0, so we're looking for the solution to ....

  0 = -16t² +60t +40

Using the quadratic formula, we find the positive value of t to be ...

  t = (-60 -√(60² -4(-16)(40)))/(2(-16)) = (15 +√385)/8 ≈ 4.3277

__

Similarly, the height of Josh's book is ...

  0 = -16t² +48t +40

  t = (-48 -√(48² -4(-16)(40)))/(2(-16)) = (12 +√304)/8 ≈ 3.6794

__

The time before Josh's book lands is shorter by ...

  4.3277 -3.6794 ≈ 0.6482 . . . . . seconds

Josh's book reaches the ground first, by about 0.648 seconds.

3 0
3 years ago
Simplify 9 + 6k +3 +212 +3 +7​
melisa1 [442]

Answer:

6k+234

Step-by-Step Explanation:

Add 9, 3, 212, 3, and 7. You get 234. You can't change 6k because the variable, so you end up with 6k+234.

8 0
2 years ago
Read 2 more answers
Which is larger 4 yard or 13 foot?
kow [346]
As 1 yard is equal to 3 feet , so 4 yard will be 12 feet !

so 13 foot > 4 yards
4 0
3 years ago
Topic 1: Translate<br><br> The sum of twice a number and 9 is -25."
Vinvika [58]

Answer:

2n + 9 = - 25

Step-by-step explanation:

let the number be n then twice the number is 2n

The sum of 2n and 9 is 2n + 9

the result is - 25 , that is

2n + 9 = - 25

7 0
2 years ago
Read 2 more answers
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