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brilliants [131]
3 years ago
5

Can someone help me with this and explain it to me please? :) CHECK ATTACHED

Mathematics
1 answer:
babymother [125]3 years ago
4 0
23. not equivalent because the first row 3x-9y=5 then if you multiplied this equation by 2 it will be 2(3x-9y) = 2(5) so 6x-18y= 10 not 6x-9y=10


24.equivalent because the second row 2y-6x=8 multiplied by 2 is 2(2y-6x)= 2(8) so 4y-12x=16

25. equivalent because the first row 5x+3y=19 multiplied by 2 is 2(5x+3y) = 2(19) SO 10X+6Y=38 and the second row 2x+4y=20 multiplied by 5 is 5(2x+4y)= 5(20) so 10x+20y=100
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Three hundred vehicles are parked in a parking garage. Seventy percent of the vehicles are midsized cars. What number of midsize
denis-greek [22]
210 cars are midsized
8 0
3 years ago
Point O is the center of the circle. What is the value of X? <br> Answer options: 64, 54, 34, 44.
makkiz [27]

Answer:

34°

Step-by-step explanation:

The angle made when a tangent and a radius intersect=90°

Therefore angle OQP =90°

The triangle made by the two radii is isosceles ( base angles are equal) hence angle POQ=180-2(62)

=56°

The right triangle  OPQ can hence be solved as follows

angle POQ=56°

angle OQP=90°

angle x=180-(56+90)=34° as all the interior angles of any triangle add up to 180°

4 0
3 years ago
9 Consider the expressions (5.9 X 10^6) and (3.2 X 10^4).
Kitty [74]
I think the answer will be B 1-9x+C=32
6 0
4 years ago
A rectangle has a links of 5" and a with of X inches write a equation to represent the perimeter of the rectangle explain your r
Zarrin [17]

Answer:

10+2x

Step-by-step explanation:

A rectangle has 4 sides. Two pairs of sides are congruent.

For example a rectangle could have sides of 6, 10, 6, and 10.

So the perimeter would be the sum of those sides, 6+6+10+10.

6+6+10+10 can be written like 2(6)+2(10)

For the rectangle in your question it would be 5+5+x+x, which can be written like 2(5)+2(x)

Simplify to 10+2x.

8 0
4 years ago
A number of robbers were discussing how best to share some stolen rolls of
kupik [55]

Answer:

83

Step-by-step explanation:

Let the number of robbers be x

If they share 6 rolls each, the tota rolls will be 6x and since they have five remainder, the overall total is then 6x+5

In case they share 7 rolls each, it means they have 7x rolls but here they will be less 8 rolls hence 7x-8 is the overall total.

Equating these two

7x-8=6x+5

Arranging similar terms

7x-6x=8+5

x=13

Therefore, the robbers are 13

The rolla they have will be

6(13)+5=83

Or

7(13)-8=83

6 0
3 years ago
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