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Assoli18 [71]
3 years ago
8

5x+2y=43 ; -6x+3y=-30

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
5 0

Answer:

-3(5x+2y=43)

2(-6x +3=-30)

-15x-6y=-129

-12x+6y=-60

-27x=-189

x=7

5(7)+2y=43

35+2y=43

2y=8

y=4

(7,4)

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Driving on the highway, you can safely drive 60 miles per hour. "How far can you drive in ‘h' hours?" What is the range of the f
JulijaS [17]

Answer:

D.The distance you drive

Step-by-step explanation:

If you describe this situation as function, then it will look as:

  • f(h)= 60h
  • For h=1 you have f(1)= 60 miles
  • For h=2 you have f(2)= 120 miles etc.

The range of the function is the set of output values

In this case the range is the distance you drive

Correct option is D.

7 0
3 years ago
The length of a rectangle is 4cm more than the width. And the perimeter is at least 48 cm. What are the smallest possible dimens
algol13

Answer:

Try didvinding

Step-by-step explanation:


6 0
3 years ago
a rectangle has an area of 7/8 square units if the width is 7/16 unit what is the length of the rectangle in units?
djyliett [7]

Answer:

Length=2 units

Step-by-step explanation:

Given :

Area of the rectangle =\frac{7}{8}  square units

Width of the rectangle=\frac{7}{16} units

Area of the rectangle= Length* Width

                         \frac{7}{8} =Length*\frac{7}{16}

Multiplying  \frac{16}{7} both the sides

                      \frac{7}{8} *\frac{16}{7} =Length

                     Length=\frac{16}{8}

                   Length=2 units

The length of the rectangle is 2 units

3 0
3 years ago
Which of the following best describes a regular tessellation?A. A tessellation that uses only one type of regular polygonB. A te
Naya [18.7K]

Answer: A. A tessellation that uses only one type of regular polygon

Step-by-step explanation:

When we cover a surface with a pattern of a flat geometric shapes such that there should have no overlaps or gaps, then the surface is called a tessellation.

A regular tessellation is tessellation made up by using nly one type of regular polygon. These are made up of entirely congruent regular polygons all that joining vertex to vertex

Hence, A is the correct option.

8 0
3 years ago
Which equation represents a circle with a center at -3, -5) and a radius of 6 units?
vesna_86 [32]

Answer:

(x+3)²+(y+5)² = 36

Step-by-step explanation:

The general equation of a circle is expressed as;

(x-a)²+(y-b)² = r² where;

(a, b) is the centre of the circle

r is the radius of the circle

Given

Centre (-3, -5)

a = -3 and b = -5

radius r = 6units

Substitute

(x-a)²+(y-b)² = r²

(x-(-3))²+(y-(-5))² = 6²

(x+3)²+(y+5)² = 36

hence the required equation is (x+3)²+(y+5)² = 36

7 0
3 years ago
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