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3 years ago

X is at most 30 represent as an algebraic inequality

Mathematics

1 answer:

masya89 [10]3 years ago

6 0

Answer:

x ≤ 30

Step-by-step explanation:

'at most' means the same as 'less than or equal to'.

The sign 'for less than or equal' to is ≤.

So it's simply x ≤ 30.

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4th grade math help & explain please

ohaa [14]

Nothing on the rectangle is shaded, unless the camera quality is poor.

0/12

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2 years ago

Find the number of the different ways, for 3 students to sit on 7 seats in one row.

qwelly [4]

Answer:

210

Step-by-step explanation:

Here comes the problem from Combination.

We are being asked to find the number of ways out in which 3 students may sit on 7 seats in a row. Please see that in this case the even can not be repeated.

Let us start with the student one. For him all the 7 seats are available to sit. Hence number of ways for him to sit = 7

Let us see the student second. For him there are only 6 seats available to sit as one seat has already been occupied. Hence number of ways for him to sit = 6

Let us see the student third. For him there are only 5 seats available to sit as two seat has already been occupied. Hence number of ways for him to sit = 5

Hence the total number of ways for three students to be seated will be

7 x 6 x 5

=210

3 0

3 years ago

Read 2 more answers

Help on 20, would be appreciated if there was a explanation as well

ra1l [238]

For a two column proof, we want to start with the given information. From there, we will use various definitions, postulates, and theorems to fill in the rest.

Our two sets of given information are that Plane M bisects Line AB and that Line PA is congruent to Line PB.

We know from the definition of a bisector that it splits a line in two equal parts. Therefore, Line AO must be congruent to Line BO.

Now, we have two sides of a triangle that we have proved to be congruent to each other. From the image given in the original problem, we see that both triangles share Line OP. Line OP is congruent to Line OP through the reflexive property.

We now have proven that all three sides of the one triangle are congruent to the corresponding sides on the other triangle. Therefore, the triangles are congruent through the SSS theorem.

6 0

2 years ago

Suri is buying fruit to make a fruit salad.She buys x pounds of strawberries that cost $3.99 per pound and y pound of blueberrie

Scilla [17]

Answer: Cost of strawberries and blueberries in the fruit salad,

C= 3.99x +4.99y

Step-by-step explanation:

Let the amount of strawberry be x pounds

Let the amount of blueberries be y

The fruit salad contains x pounds of strawberry and y pounds of blueberries

Cost of strawberries and blueberries in the fruit salad ,

C= 3.99x +4.99y

This is the algebraic expression to represent this situation.

8 0

2 years ago

Anthony went shopping for a new video game. Sales tax where he lives is 8.5%. The price of the video game is $44. Find the total

Lostsunrise [7]

Answer:

47.74

Step-by-step explanation:

(tax is 8.5% of 100%, so you turn it into a fraction)

44 x .085 = 3.74

44 + 3.74 = 47.74

8 0

2 years ago