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coldgirl [10]
2 years ago
11

Select the correct answer. Which point is a solution of x + 2y ≤ 4? A. (2, 4) B. (1, 1) C. (3, 5) D. (-1, 5)

Mathematics
1 answer:
stira [4]2 years ago
6 0

Answer:

B

Step-by-step explanation:

Of you put the values of c and y from B in the equation, then the result is,

1 + 2 \times 1 \leqslant 4 \\ 1 + 2 \leqslant 4 \\ 3 \leqslant 4

here, 3 is less than 4, which is true.

But the result will come out as greater than 4 if you put other points in the equation, which is not true for the given condition.

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The ratio of Max’s rice to Victor’s rice to Roman’s rice is 3:2:4. If Victor gives ¼ of his rice to Roman, what will be the rati
Natali [406]

Answer:

Max: Victor:  Roman

6:         3:        :9

Step-by-step explanation:

Max: Victor:  Roman

3      : 2     :  4


Take away 1/4 of 2

1/4 of 2 =

1/4*2 = 1/2

2-1/2 =

4/2 - 1/2 = 3/2

Victor now has 3/2


Roman gets 1/2  so he has

4+ 1/2

8/2 + 1/2 = 9/2


Max: Victor:  Roman

3      : 3/2     :  9/2

But we normally don't leave fractions in the ratio's

Multiply each number by 2  (the ratio won't change)

3*2   :  3/2*2   : 9*2

6:         3:        :9

5 0
3 years ago
-
Illusion [34]

Check the picture below.

4 0
2 years ago
What is the slope of points (-3,-3) and (4,5)?
Veseljchak [2.6K]
The slope is 2. y2-y1/x2-x1
8 0
3 years ago
A triangle with vertices at A(0,0), B(0,4), and C(6,0) is dilated to yield a triangle with vertices at A(0,0), (B(0,10), and C (
dezoksy [38]

The required scale factor for the dialed triangle is given by SF= 6.28

A triangle with vertices at A(0,0), B(0,4), and C(6,0) is dilated to yield a triangle with vertices at A(0,0), (B(0,10), and C (C(15,0).

<h3>What is scale factor?</h3>

The scale factor is defined as the ratio of modified change in length to the original length.

Since, the height and base of the triangle is y coordinate of B and x coordinate of c is given by 4, 6
Area of triangle =1/2(base x height)
                         = 1/2 (4 x 6)
                         =   4.8
Similarly, for dilated triangle
Area of dilated triangle =  30

Now, scale factor(SF) = area of dilated triangle \ area of triangle
SF = 30/4.8
SF = 6.25

Thus, the required scale factor is SF = 6.25

 

Learn more about line Scale factor:

brainly.com/question/22312172

#SPJ1

4 0
2 years ago
students were grouped into 4 classrooms with an average of 33.5 students per classroom. if the students were regrouped into 5 cl
erma4kov [3.2K]

Answer:

26.8

Step-by-step explanation:

Because 33.5 was the average of how many students were in a classroom (if there were 4 classrooms), then 33.5 is can somewhat be the average of how many students were in one classroom; 1/4 of the classrooms can hold an average of 33.5.

Total students that were divided into 4 classrooms :

33.5 × 4 = 134

So if there is 134 students that will be grouped into 5 different classrooms, divide 134 by 5 to find the average amount of students that will be grouped.

134 ÷ 5 = 26.8

So, the average amount of students that will be grouped if they were divided into 5 classrooms would be 26.8 .

Hope this helped !

4 0
2 years ago
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