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VLD [36.1K]
3 years ago
10

Which expression is equivalent to 1/2x+(−7)−2 1/4x−(−2)?

Mathematics
1 answer:
aleksley [76]3 years ago
3 0

Answer:

A

Step-by-step explanation:

because A is the correct anwer

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Between June 2017 and June 2018, the price of gasoline increased by 25%. If the price
WARRIOR [948]

Answer:

$2.4

Step-by-step explanation:

2018 June               2017June                    

125                            100

1                                 0.75

Therefore,  3= 100x3/125

=300/125

=$2.4

hope it helps:D

plz mark me as brainliest

6 0
2 years ago
100 POINTS!!! Please solve this question step by step and explain each step for 100 points.
djverab [1.8K]

2\dfrac 29 = -\dfrac 45  m \\\\\implies 2+ \dfrac 29 =- \dfrac 45 m \\\\\implies \dfrac{20}9 = -\dfrac 45 m \\\\\implies 5(20) = (-4m)9\\\\\implies 100 = -36m\\\\\implies m = -\dfrac{100}{36} \\\\\implies m =  -\dfrac{25}9\\\\\implies m=-2\dfrac 79

3 0
2 years ago
Read 2 more answers
Help a girl out with geometry
Darya [45]
Follow the steps

106=x+79+x+45
106=2x+124
-124= -124
-18=2x
( -18)/2=(2x)/2 <----- solving for x
-9=x

then
angle LMF= -9+79
=70

angle FMN= -9+45
= 36
(when you add 70 and 36 together you get 106 which is the measurement of angle LMN or in other word the whole thing)

In conclusion the answer to the problem is:
Angle LMF is equal to 70.
7 0
3 years ago
Kids on the baby playground must be less then 5years old let y=the number of years old
Bad White [126]

Answer:

y<5   I DESERVE BRAINLIEST

Step-by-step explanation:

becasue baby on the playground must be less then 5years old

7 0
3 years ago
a researcher at a major clinic wishes to estimate the proportion of the adult population of the united states that has sleep dep
Anna11 [10]

Answer:

The estimate of a population proportion is approximately 541.

Step-by-step explanation:

We can solve the the problem by using the formula for minimum sample needed for interval estimate of a population proportion which is given by the formula

n = pq ((Z/2) / E)^2

As, p is not defined so we use the standard p and q which is 0.5 and 0.5.

The reason for this is we have to choose form 0.1 to 0.9 both values of p and q, we will find the maximum value of pq occurs when they both are 0.5.

Next, we will find the value of (Z/2) by looking at the Z-table, we will find that at 98% confidence (Z/2) = 2.326. Now we start substituting the values in the above formula

n = (0.5)×(0.5) × (2.326/0.05)^2

n = 541.027

n ≅ 541.

5 0
3 years ago
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