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Oksanka [162]
2 years ago
6

I dont get this can someone please help me.

Mathematics
2 answers:
lora16 [44]2 years ago
6 0

5+\dfrac x 2 \geq 10\\\\\implies \dfrac x2 \geq 10-5\\\\\implies \dfrac x2 \geq 5\\\\\implies x \geq 5 \times 2\\\\\implies x \geq 10

Deffense [45]2 years ago
4 0

Answer:

Option D

x ≥ 10

Step-by-step explanation:

5 + x/2 ≥ 10

2 × 5/2 + x/2 ≥ 10

10 + x/2 ≥ 10

x + 10 ≥ 2 × 10

x + 10 ≥ 20

x + 10 - 10 ≥ 20 - 10

x ≥ 10

Thus, The answer is x ≥ 10

<u>-TheUnknownScientist</u><u> 72</u>

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Solve this problem on paper using all four steps. A girl scout troop sold cookies. If the girls sold 5 more boxes the second wee
zhenek [66]
Assume the girls sold X boxes in the first week. They sold in the second week X+5 and 2X+10 in the third week.

The sum X + X + 5 + 2X + 10 = 431
4X = 416. Therefore X = 104
The answers are:
a0 = 104
a1 = 109
a2 = 218

Hope that helps you :)
6 0
3 years ago
- 1 solve the equation<br> - m - 7 = 5<br> 3
Eduardwww [97]
The answer is 60 because were subtracting in the equation but to find m we need to the opposite which is to add 53 plus 7 which is 60. To check your answer do 60-7 equals 53
3 0
2 years ago
Read 2 more answers
Find the range of values of x for which 2x2 – 5x + 2 &gt; 0​
Alchen [17]

Answer:

x < 1/2 and x>2

Step-by-step explanation:

first solve the eqn,

2x2 -5x +2 = 2x2 -4x -x +2 = 2x(x-2) - 1(x-2) = (2x-1)(x-2)

since the questions asks for >,

x < 1/2 and x>2

if the question had asked for <,

1/2<x<2

7 0
2 years ago
What is the first step when solving this equation?
notka56 [123]

Answer:

Distribute

When you have an equation like this, distribute first and then add or subtract like terms to solve for x.

Hope this helps!!

6 0
3 years ago
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ack has a collection of 10 pairs of gloves in his wardrobe. Before a business trip, he has to pack his luggage, and he selects 8
Leto [7]

Answer:

\frac{{10 \choose 8}2^8}{{20 \choose 8}}\approx 0.091

Step-by-step explanation:

We can think of the 10 pairs of gloves as simply being gloves of different colors. Picking no matching pair is the same as picking no 2 gloves of the same color. To compute the probability of doing so, we can compute the number of ways to select 8 gloves from different colors, and divide that by the total number of ways to select 8 random gloves out of the 20 gloves.

To compute the number of ways in which we can select 8 gloves from different colors, we can think of the choosing procedure as follows:

1st step- We choose from which 8 colors are we going to pick gloves from. So we have to pick 8 out of 10 colors. This can be done in {10 \choose 8} ways.

2nd step - We now have to choose which glove are we going to pick from each of the chosen colors. Either the left one or the right one. For the first chosen color we have 2 choices, for the second chosen color we have 2 choices, for the third chosen color we have 2 choices, and so on. Therefore the number of ways in which we could choose gloves from the chosen colors is 2^8

And so the total number of ways in which we could choose 8 gloves from different colors is

{10 \choose 8 }2^8

Now, the total numer of ways in which we could choose 8 gloves out of the 20 gloves is simply {20 \choose 8}

So the probability of picking no mathing pair is

\frac{{10 \choose 8}2^8}{{20 \choose 8}}\approx 0.091

4 0
2 years ago
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