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Rasek [7]
4 years ago
9

Tim has a box of 15Markers he gives three markers to four friends What exppresion can show the number of marker tim has left​

Mathematics
1 answer:
Elodia [21]4 years ago
7 0

Answer:

15 - 3 (expression)

15 - 3 = x (equation)

Step-by-step explanation:

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I need an equation for 5 times the sum of 3 times a number and 4 is negative 10
galina1969 [7]

5(3x)+4=-10 i think that is the correct answer

8 0
4 years ago
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Write an equation in slope-intercept form of the line with slope 3/4 that contains the point (-4,1)
marusya05 [52]

Answer:

y = 3/4x + 4

Step-by-step explanation:

to put it into slope intercept form, you need to find the y intercept or b becasue the slope intercept form is y = mx + b where b is the y intercetpt and m is the slope. To find b you insert the points you were given so 1 = -4(3/4) + b

which simplifies to 4 = b so then you can put in your slope and y intercept into slope intercept form

6 0
3 years ago
Dean Halverson recently read that full-time college students study 20 hours each week. She decides to do a study at her universi
romanna [79]

Answer: The p-value is 0.154.

Step-by-step explanation:

Since we have given that

We claim that

Null hypothesis :

H_0:\mu=20

Alternate hypothesis :

H_1:\mu

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Sample mean = 18.5 hours

Sample standard deviation = 4.3 hours

Sample size n = 35

So, test statistic would be

z=\dfrac{\bar{X}-\mu}{\dfrac{\sigma}{\sqrt{n}}}\\\\z=\dfrac{18.5-20}{\dfrac{4.3}{\sqrt{35}}}\\\\z=\dfrac{-1.5}{0.726}\\\\z=-2.066

So, the  p value would be 0.154.

Hence, the p-value is 0.154.

4 0
4 years ago
Oblicz w pamieci podany procent kazdej z liczb zapisanych obok
ira [324]
A is the answer, I think.
5 0
3 years ago
Write the fraction as a product of a whole number and a unit fraction<br>5/6 HURRY PLS<br>​
Juliette [100K]
<h3>Answer:  5 * (1/6)</h3>

5 is the whole number, 1/6 is the unit fraction. A unit fraction is a fraction with 1 as the numerator.

We can think of 5 as 5/1

When we multiply 5/1 with 1/6, we get

(5/1)*(1/6) = (5*1)/(1*6) = 5/6

Use this rule to multiply fractions

(a/b)*(c/d) = (a*c)/(b*d)

You multiply the numerators together, and the denominators together.

5 0
3 years ago
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