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2 years ago

Which Image shows the opposite of the opposite of 2/3 on a vertical number line

Mathematics

2 answers:

Juli2301 [7.4K]2 years ago

6 0

Answer:

Step-by-step explanation:

The "opposite" of 2/3 is -2/3. This -2/3, in turn, is between 0 and -1 on a vertical number line. Thus, B is the correct graph.

AleksAgata [21]2 years ago

4 0

Answer:C

Step-by-step explanation:

So when you look at 2/3 well then I can't example that good but for example we have 3 hearts then you divide it into 1 so then we have 2 left of the 3 so like ik dat It is a number of telling 2/3 so if we have 3 hearts like I said then count to 2 hearts yo uhh see to right then we have to put 2 then you see 3 hearts then its 3 so then 2/3 so then if 3 is right next t ok 2 then we have 2/3 srry it was rlly hard to explain hope this helps also I hope you get the answers right

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Fran graphs the equations y = 2x2 – 2 and y = –0.5x + 4. Her graph is shown below. mc010-1.jpg Which value is an approximate sol

miv72 [106K]

On the added picture you can see that graphs of functions $y=2x^2-2$ and $y=-0.5x+4$ have two points of intersection. The x-coordinates of these points are the solutions of the equation
$2x^2-2=-0.5x+4$ .
Hence, the approximate solutions are x=-1.9 and x=1.6.

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2 years ago

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The stem-and-leaf plot below shows the number of pages each student in the class read the previous evening. A stem and leaf plot

Tatiana [17]

Answer:

75% students read less than 35 pages.

Step-by-step explanation:

The stem and leaf plot is given below

0 | 5 0 5 8

1 | 2 3 5 8 8 9

2 | 2 4 6 7 7 7

3 | 3 5 6

4 | 2 4 6

5 | 7

Count the students in each row.

Row 1 = 4 students

Row 2 = 6 students

Row 3 = 6 students

Row 4 = 3 students

Row 5 = 3 students

Row 6 = 1 student

Total students = 23 students

75% of 23 students = 0.75/100 · 23 = 12.25 students

75% of 23 students ≅ 17 students

From the stem and leaf plot, 17th student read 33 pages while 18th student reads 35 pages.

Which means

75% students read less than or equal to 33 pages.

75% students read less than 35 pages

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2 years ago

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If ce = 7x+4, find the value of x

Kryger [21]

Answer:

x = $\frac{y}{7} - \frac{4}{7}$

Step-by-step explanation:

Since it will be easier, just set "ce" as one term. Let ce = y

You are solving for the variable, x. Note the equal sign, what you do to one side, you do to the other.

Do the opposite of PEMDAS.

First, subtract 4 from both sides:

y = 7x + 4

y (-4) = 7x + 4 (-4)

y - 4 = 7x

Next, Divide 7 from both sides:

(y - 4)/7 = (7x)/7

(y - 4)/7 = x

x = (y/7) - (4/7)

Your value of x is $\frac{y}{7} - \frac{4}{7}$

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2 years ago

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Two pumps connected in parallel fail independently of one another on any given day. The probability that only the older pump wil

Bogdan [553]

Answer : Probability that the pumping system will fail on any given day = 0.005

Explanation:

Probability that only older pump fail = P(A) = 0.10

Probability that only newer pump fail = P(B) = 0.05

Since they are independent events ,

then the conditions will be

P(A∩B) = P(A). P(B)

= 0.10 ×0.05

= 0.005

Hence, the probability will fail on any given day = 0.005

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2 years ago

Gibbs Baby Food Company wishes to compare the weight gain of infants using its brand versus its competitor’s. A sample of 40 bab

Leviafan [203]

Answer:

$z=\frac{(7.6-8.1)-0}{\sqrt{\frac{2.3^2}{40}+\frac{2.9^2}{55}}}}=-0.936$

The p value can be founded with this formula:

$p_v =P(z$

Since the p value is higher than the significance level provided of 0.05 we have enough evidence to FAIL to reject the null hypothesis and we can't conclude that the true mean for the Gibbs brand is significantly lower than the true mean for the competitor

Step-by-step explanation:

Information given

$\bar X_{1}=7.6$ represent the mean for Gibbs products