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4 years ago

Which sentence can represent the inequality One-half x + three-fourths greater-than-or-equal-to 5 and one-fourth?

Mathematics

2 answers:

hodyreva [135]4 years ago

6 0

Answer:

The sum of half of a number and three-fourths is at least five and one quarter

Step-by-step explanation:

It's all about making sense of an English sentence.

"half the sum ..." is different from "the sum of half ..."

And ...

"at least" and "not less than" mean the same (≥)

"not more than" and "at most" mean the same (≤)

_____

Since all of the expressions are written out in words, it is a matter of matching the ideas expressed. That's a problem in reading comprehension, not math.

"One-half x + three-fourths [is] greater-than-or-equal-to 5 and one-fourth"

means the same as ...

"The sum of half of a number and three-fourths is at least five and one quarter"

DerKrebs [107]4 years ago

3 0

Answer:

The sum of half of a number and three-fourths is at least five and one quarter

Step-by-step explanation:

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The senior classes at High School A and High School B planned separate trips to the county fair. The senior class at High School

elena-s [515]

vans = v, buses = b, students = s

8v + 8b =312s ...eqn 1

9v + 4b = 196s ...eqn 2

divide eqn 1 by 2

4v + 4b = 156s ...eqn 3

eqn 2 - eqn 3

5v = 40s

v = 8s

subst v = 8s in eqn 2

72s + 4b = 196 s

b = 31s

answer

each van holds 8 students and each bus holds 31 students

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3 years ago

Solve Please. No Links. Links = Report.

AfilCa [17]

Answer:

Step-by-step explanation:

The easiest way to start is to do this problem is to start changing the 3/4 cup to a decimal

3/4 = 0.75

Now divide that into 11. What you are interested in is the remainder.

11/0.75 = 14.66667

He can make 14 whole pizzas.

He has 0.66667 of a cup left over which is less than 3/4 (or 0.75) so he does not have enough for another pizza.

So the answer is 0.66667 which is 2/3 of a cup is left over.

7 0

2 years ago

A bus makes a stop 2:30 letting off 13 people and lettng on 8. The bus makes another stop ten minutes later to let off 3 more pe

Zigmanuir [339]

Answer:

The number of people on the bus after the second stop is 8 less than the number of peoples on the bus before the 2:30 stop.

Step-by-step explanation:

Let $P_0$ be the total number of peoples on the bus before 2:30 stop.

For the first stop at 2:30:

The bus let off 13 people, so, the total number of remaining people on the bus $= P_0-13$

again, the bus let on 8 people, so, the total number of people on the bus

$= P_0-13+8$

$=P_0-5$

For the second stop after 10 minutes (i.e at 2:40):

The bus let off 3 people, so, the total number of remaining people on the bus $= P_0-5-3$

$=P_0-8$

After the second stop, the number of people on the bus is $P_0-8$ , where P_0 number of peoples on the bus before 2:30 stop.

Hence, the number of people on the bus after the second stop is 8 less than the number of peoples on the bus before the 2:30 stop.

4 0

3 years ago

Which will result in a perfect square trinomial?

Montano1993 [528]

Perfect-square trinomials are of the form:

$a^2x^2 \pm 2axb + b^2$

and are expressed in squared-binomial form as: $(ax \pm b)^2.$

The only possible choice for squared-binomial form is

$(3x-5)(3x-5)=(3x-5)^2.$

Answer: correct choice is A.

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3 years ago

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at the party there 380 places to sit, including the benches in the park and chairs people brought to the party

tiny-mole [99]

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3 years ago