MATHEMATICS MIDDLE SCHOOL

A bag contains purple marbles and blue marbles, 26 in total. The number of purplemarbles is 4 less than 2 times the number of blue marbles. How many purple marbles
are there?
purple marbles
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Answers

Answer 1

Answer:

Step-by-step explanation:26 divided by 2 = 18

purple = 18

blue=18

purple = 18-4 = 14

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What is the perimeter, P, of a rectangle that has a length of x + 5 and a width of y − 1? P = 2x + 2y + 8
P = 2x + 2y − 8
P = x + y + 4
P = x + y + 6

Answers

The perimeter of the rectangle whose dimensions are (x + 5) and (y - 1) is,

P = 2x + 2y + 8

The correct option from the given choices is A.

What is a rectangular perimeter?

The whole distance that a rectangle borders, or its sides, the cover is known as its perimeter. Given that a rectangle has four sides, the perimeter of the rectangle will be equal to the total of its four sides.

Given:
A shape is a rectangle.

And P is the perimeter of that rectangle.

And the dimensions of the rectangle are (x + 5) and (y - 1).

So, the perimeter of the rectangle,

= 2 [(x + 5) + (y - 1)]

= 2 [ x + y + 4]

= 2x + 2y + 8

Therefore, the perimeter of the shape is P = 2x + 2y + 8.

To learn more about the rectangular perimeter;

brainly.com/question/22109593

#SPJ2

Answer:P=2x + 2y + 8

Step-by-step explanation: Perimeter (p) =2L+ 2w

P= 2(x+5)+2(y-1)

Remove bracket

P=2x+ 10 +2y - 2

P=2x+2y+8

A telephone company charges a fixed monthly rate plus a rate per minute of usage. The company charges $155 for 100 minutes of usage and $245 for 200 minutes of usage. An equation can be written to show the relationship between the total minutes used (x) and the total monthly charges (y). Which of the following best describes the steps to draw the graph of y against x?Draw a graph which joins the points (155, 100) and (245, 200) and has a slope = 0.9
Draw a graph which joins the points (155, 100) and (245, 200) and has a slope = 1.1
Draw a graph which joins the points (100, 155) and (200, 245) and has a slope = 1.1
Draw a graph which joins the points (100, 155) and (200, 245) and has a slope = 0.9

Answers

The solution is "Draw a graph which joins the points (100, 155) and (200, 245) and has a slope = 0.9"

the points are (minute,cost) pairs like the assignment states
the slope is the difference of both costs (90) divided by the minute difference (100)
so k=90/100=0.9

so the last option

Just took the exam and the answer would be d :)

PLEASE HELP I GIVE THANKS

Answers

The sum of 4 and 5 has to be equal to : 180 degrees. Because they make a straight angle (which its measure is 180). So we know '4' 108:
${ 108 }^( o )+\quad '5'\quad =\quad { 180 }^( o )\n '5'\quad =\quad { 180 }^( o )\quad -\quad { 108 }^( o )\n '5'\quad =\quad { 72 }^( o )$

5 is equal to ${ 72 }^( o )$

Angle 5 is 72 degrees. due to supplementary angles

1) IT TAKES 10 PEOPLE TO PULL A 50 TON BUS.HOW MANY PEOPLE WOULDIT TAKE TO PULL A 100 TON BUS ?2) WHICH IS BIGGER ,HALFOF 40 OR ONE FOURTH OF 20 ?
3)IF A BALL ROTATES 110 DEGREES IN 8 SECONDS ,HOW MANY DEGREES DOES IT ROTATE IN 32 SECONDS ?
4) IF THE RATIO OF RED ROSES TO YELLOW ROSES IS 4 TO 6 AND THERE ARE A TOTOAL OF 50 ROSES , HOW MANY OF THEM ARE YELLOW?

Answers

1) The best thing to do here is to divide the two weights of the buses and fin out what you need to multiply it by.
100/50= 2.
Therefore, you've got to multiply the amount of people by 2.
10*2= 20
Therefore, it takes 20 people to pull a 100 ton bus.

2) Here, you should work out what each one is worth. Half of 40 is 20.
one fourth of 20 is 5. Therefore, half of 40 is larger.

3) The best thing to do is to divide 32 by 8, and then multiply the number of degrees by this.
32/8=4
110*4= 440
Therefore, the ball rotates 440 degrees in 32 seconds.

4) the best thing to do is to find what one part is worth- and to do this, you have to add together the amount of roses and divide this by the total roses.
4+6= 10
50/10= 5
The roses are 6 parts yellow, therefore, 6*5= 30, there are 30 yellow roses.

Hope this helps :)

Solve.

-3(×+5) = -9

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