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Agata [3.3K]
4 years ago
13

If twice a​ number, added to 3 is divided by the number plus 7​, the result is three halves. Find the number.

Mathematics
1 answer:
morpeh [17]4 years ago
6 0
The answer to the question

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Name two solutions to y = 3x - 5
wlad13 [49]

Answer:

(1,-2) and (0,-5) (There are an infinite amount more)

Step-by-step explanation:

The easiest way to find solutions is to plug in an x value. Let's try 1:

y = 3(1) - 5⇒y = 3 - 5⇒y = -2

(1,-2)

Let's try 0:

y = 3(0) - 5⇒y = 0 - 5 ⇒y = -5

(0,-5)

6 0
3 years ago
Which image shows a translation of the green quadrilateral JKLM three units to the right and one unit down?
podryga [215]

Answer:

The second option shows the correct translation of 3 units to the right and 1 unit down.

8 0
4 years ago
Read 2 more answers
Approximately 54% of mathematics students do their homework on time. In a class of 250 students, what is the mean, variance, and
sleet_krkn [62]

Answer:

A) Mean = 135 Variance = 62 Standard Deviation = 8

Step-by-step explanation:

Given that :

Proportion (p) = 54%

Sample size (n) = 250

Using Normal approximation :

Mean = np

Mean = 250 * 0.54 = 135

Variance = npq ; q = 1 - p = 1 - 0.54 = 0.46

Variance = (250 * 0.54 * 0.46) = 62.1 = 62

Standard deviation = √variance = √62.1

Standard deviation = 7.8803553 = 8

6 0
3 years ago
Skill testing question I need an answer for 4+3-6x7÷6=
ycow [4]
The answer is 0. i think 
4 0
4 years ago
Please answer this in two minutes
alexandr1967 [171]

Answer:

u = \sqrt{6}.

Step-by-step explanation:

This is a 45-45-90 triangle.

That means that there are two side lengths with lengths of x, and a hypotenuse with a length of xsqrt(2). We can then set up a proportion.

\frac{1}{\sqrt{3} } =\frac{\sqrt{2} }{u}

1 * u = \sqrt{3} * \sqrt{2}

u = \sqrt{6}.

Hope this helps!

3 0
3 years ago
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