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Mrrafil [7]
3 years ago
14

you have to test tomorrow you plan to study at least 4 hours tonight you want to study social studies for more than half the tim

e you study english plus 1 hour. write a sstem of linear inequalities that represent this situation
Mathematics
2 answers:
creativ13 [48]3 years ago
7 0

4, is less than or equal to, 2x + 1 is greater than x

notka56 [123]3 years ago
3 0

Answer:

s+g ≥ 4

s > g/2 + 1

Step-by-step explanation:

Hi, you want to study at least 4 hours.

So, the social studies hours of study (5) plus the English hours of study (e) must be higher or equal to 4 (hours)

s+e≥ 4

The time spent studying social studies(s) must be higher than half the time spent studying English (e/2) plus 1 hour.

s > e/2 + 1

So, the system of inequalities is:

s+e ≥ 4

s > e/2 + 1

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27.29.24<br> Simplify <br> 2327.2-10
tatyana61 [14]

Answer:

2317.2

Step-by-step explanation:

2327.2-10 =2317.2

7 0
3 years ago
Read 2 more answers
If x is a number that is 7 more than y, how do you express x as a function of y?
Tomtit [17]

Answer:

y = x - 7

Step-by-step explanation:

8 0
2 years ago
. An object dropped from a height of 200 meters has a height, h(t), in meters after t seconds have lapsed, such that h(t) = 200
Veronika [31]

Answer:

t(h)= (h-200)/-4.9

The time to reach a height of 50 meters is 30.6 seconds

Step-by-step explanation:

To express t as a function of height (h) we must transform the equation below:

h=200-4.9t

h-200=-4.9t

(h-200)/-4.9=t

t(h)= (h-200)/-4.9

To find the time to reach a height of 50 meters, we must replace this value on the new equation:

t(h)=50-200/-4.9

t(h)= 30.612

The time to reach a height of 50 meters is 30.6 seconds

8 0
3 years ago
Kai and aaron ate 5/6 of pizza . explain how you can tell what fraction of the pizza is left
NeX [460]
Hi there!

Since 1 - 5/6 = 1/6, 1/6 of the pizza is left. 

Hope this helps!
5 0
3 years ago
If x= 19 feet and y = 12 feet, what is the area and perimeter of the figure above?
Delicious77 [7]

All we need to do to solve this problem is calculate the area of a rectangle and the area of a circle, then <em><u>add them</u></em>!

____________________________

First, let's do the rectangle!

Area of a rectangle = length x width

or in this case... Area = "x" times "y"

Area = 19 × 12 = 228 square feet!

________________________________

Now, let's do the circle!

Area of a circle = πr² ...      (r = radius)

<u><em>*</em></u> In this diagram, the diameter of the circle is also the same length as "y"!

<u><em>* </em></u>And remember that<em> radius is half of the diameter</em>.

radius = 6

Now, let's actually calculate the area

Area = π(6)² ⇒ 36π

Area = 113.1 (I rounded up the decimals!)

_______________________________________

<u><em>*</em></u>But wait! Look at the figure! It looks like HALF of the circle's area <u>was included when we calculated the area of the rectangle</u>! This means that we should divide the area of the circle (that we just calculated) in half!

Area of the HALF CIRCLE = 113.1 ÷ 2 = 56.5

Now let's add the <u>area of the rectangle</u> to the <u>area of the half-circle</u> to find the <u>area of THE ENTIRE FIGURE</u>!

<u>228 + 56.5 = 284.5 </u>

284.5 square feet is our answer!

6 0
2 years ago
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