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alexgriva [62]
2 years ago
10

2x+3≥7 OR 2x+9>1 Please help me

Mathematics
1 answer:
EleoNora [17]2 years ago
7 0

Answer:

x > -4

Step-by-step explanation:

2x+3 \geq 7 \\ \\ 2x \geq 4 \\ \\ x \geq 2

2x+9>1 \\ \\ 2x>-8 \\ \\ x>-4

So, the union of these solutions is x > -4.

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At the North campus of a performing arts school 30% of students are music majors at the South campus 80% of the students are mus
OLEGan [10]

Answer:

It should be option B

Step-by-step explanation:

4 0
3 years ago
Peter, Jan, and Maxim are classmates. Their total score for the last test was 269. Peter's score was more than the sum of Jan's
Goshia [24]

Answer:

135

Step-by-step explanation:

Given that :

Total score obtained by Peter, Jan and Maxim = 269

Let :

Peter's score = x

Jan's score = y

Maxim's score = z

x + y + z = 269

x > (y + z)

For x to be greater Than y + z ;

Then x > (269 / 2) ; x > 134.5

The least possible x score is 135

Hence, Peter's least possible score is 135.

5 0
3 years ago
Rewrite the following polynomial in standard form.<br> -x^2-10+x^3
ELEN [110]

Answer:

37

Step-by-step explanation:

4 0
3 years ago
A patrolman spends 25% every day completing paperwork. The patrolman’s shift each day is 8 hours. How much of his time does he s
fredd [130]
Assuming the man works 8 hours straight without breaks:

25% is the same as 1/4 of something.

So, we just have to figure out what 1/4 (one quarter) of 8 equals.

You can think of it as a pizza cut into 8 slices. One slice is equivalent to one hour for the patrolman.

If we take away 1/2 (half) of the pizza, we have 4 slices, right? Since we start with 8 slices, half of that equals 4 slices. In other words, 50% (half) of the pizza = 4 slices.

Now, 25% (one quarter) of the pizza will equal half of what is left:

If we know that 50%=4 slices (or 4 hours), then 25% must be 2 slices (or 2 hours).

That's it! 25% of 8 hours = 2 hours.

***So, the patrolman spends 2 hours each day completing paperwork.***

Lets check our work:
We know 8 hours (or 8 slices)= 100%
(We know this because
8 slices = 1 whole pizza, or 100% of a pizza. Similarly,
8 hours = 1 whole shift or 100% of the man's shift ).

So

25% + 25% + 25% + 25% = 100%

If 100% of the mans shift = 8 hours:

2+2+2+2 = 8

It checks out!


Hope this helps!



4 0
4 years ago
Can you help
snow_tiger [21]
Positive if I looked at graph correctly
8 0
3 years ago
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