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vredina [299]
2 years ago
13

What -4 times 7 on a number line

Mathematics
1 answer:
Julli [10]2 years ago
6 0

Answer:

-28

Step-by-step explanation:

-4(7)=-28

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What is a fraction <br> just to know
maw [93]

Answer:

Step-by-step explanation:A fraction is like a pizza you got the pizza into three force you shading three of them that’s a fraction

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4 0
3 years ago
Help 6th grade math i will give brainliest
andriy [413]

Answer:

1) 125

2) 1

3) 27

Step-by-step explanation:

1) 5*5*5=

125

2) whenever there is an exponent of 0, the number is 1

3) 3*3*3=

27

8 0
2 years ago
5#The distribution of scores on a standardized aptitude test is approximately normal with a mean of 480 and a standard deviation
kirza4 [7]

We want to find the value that makes

P(X\ge x)=0.2

To find it we must look at the standard normal table, using the complementary cumulative table we find that

P(Z\ge z)=0.20045\Leftrightarrow z=0.84

Then, using the z-score we can find the minimum score needed, remember that

z=\frac{x-\mu}{\sigma}

Where

σ = standard deviation

μ = mean

And in our example, x = minimum score needed, therefore

\begin{gathered} 0.84=\frac{x-480}{105} \\  \\ x=0.84\cdot105+480 \\  \\ x=568.2 \end{gathered}

Rounding to the nearest integer the minimum score needed is 568, if you get 568 you are at the top 20.1%.

7 0
1 year ago
. Зn – 1 = 8<br> Pls tell me what n equals lol
Naddika [18.5K]

Answer:

Зn – 1 = 8

3n=9

n=3

Hope This Helps!!!

8 0
2 years ago
Read 2 more answers
Direction: Determine whether the given point is a solution to the given system of linear inequalities.
Ann [662]

Answer:

The given point is a solution to the given system of inequalities.

Step-by-step explanation:

Again, we can substitute the coordinates of the given point into the system of inequalities. We know that the x-coordinate and y-coordinate of (3,2) are x=3 and y=2, respectively.

Plugging these values into the first inequality, y\leq x+3, gives us 2\leq 3+3, which simplifies to 2\leq 6. This is a true statement, so the given point satisfies the first inequality. We still need to check if it satisfies the second inequality though, because if it doesn't, it won't be a solution to the system.

Plugging the coordinates into the second inequality, y\geq -x+3, gives us 2\geq -3+3, which simplifies to 2\geq 0. This is also a true statement, so the given point satisfies the second inequality as well. Therefore, \bold(\bold3\bold,\bold2\bold) is a solution to the given system of inequalities since it satisfies all of the inequalities in the system. Hope this helps!

8 0
3 years ago
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