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FromTheMoon [43]
3 years ago
13

75 points and I’ll give brainlyist and pleas show work

Mathematics
2 answers:
IRISSAK [1]3 years ago
8 0

Answer:

1. y<-2   2.  x≤5   3. 0<23    4. 0 ≤ -1   5. inequality: 3 + (7x) < 24 answer: x<3

Step-by-step explanation:

Ymorist [56]3 years ago
7 0

1. 7 - 6y > 9

7 - 6y > 9

Subtract 7 from both sides

-6y > 19 - 7

Subtract 7 from 19 to get 12

-6y > 12

Divide both sides by -6 (because the 6 is negative, the direction of the inequality is changed)

y < 12/-6

Divide 12 by -6 to get -2

y < -2 (graph this on the number line)

2. 2(x+2) - 3x ≥ -1

2 (x+2) - 3x ≥ -1

Use the distributive property to multiply 2 by x+2

2x + 4 -3x ≥ -1

Combine 2x and -3x to get -x

-x + 4 ≥ -1

Subtract 4 from both sides

-x ≥ -1 - 4

Subtract 4 from -1 to get -5

-x ≥ -5

Divide both sides by -1 (again because the 1 is negative, the direction of the inequality is changed)

x ≤ -5/-1

The fraction can be simplified to 5 by removing both negative signs

x ≤ 5 (graph this on the number line)

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Six teachers shared a box of paper equally. How many sheets of paper did each teacher get if 1,347 sheets of paper came in the b
tester [92]

Answer: 224.5

Step-by-step explanation:

The answer is 224.5 because 1347 divided by 6 is 224.5.

4 0
3 years ago
Round to the hundreds place: 722,356,964
maks197457 [2]
It might be hard at first to find the hundreds place. The answer is C:722,357,000



7 0
3 years ago
Read 2 more answers
A park has a large circle painted in the middle of the playground area. The circle is divided into 444 equal sections, and each
balu736 [363]

Answer:

The area of each section of the circle is A=25\pi\ m^{2}

Step-by-step explanation:

we know that

Each section represent a quarter of circle

The area of a quarter of circle is equal to

A=\frac{1}{4}\pi r^{2}

we have

r=10\ m

substitute

A=\frac{1}{4}\pi (10)^{2}

A=25\pi\ m^{2}

7 0
3 years ago
The area of triangle formed by points of intersection of parabola y=a(x−1)(x−4) with the coordinate axes is 3. Find a if it is k
n200080 [17]

Answer:

The value of a will be  a=-\frac{1}{2}

Step-by-step explanation:

Start by graphing the parabola and  the three points of the triangle. These points are at intersections of y=a(x-1)(x-4) and the axes

so the y = 0 points are (1,0) and (4,0).

The x = 0 intersection is when y=a(-1)(-4) or (0,4a)

The base and height of this triangle are

The base would be the distance between the y=0 intersections and the height would be the y value of the other vertex.

Hence, base=3 units and height = 4a units. Thus, area can be calculated as

A = \frac{1}{2}\times b\times h =\frac{1}{2}\times 3\times 4a = 3

a=\frac{1}{2}

∵ the parabola opens downward therefore a will be negative.

hence,  a=-\frac{1}{2}

3 0
3 years ago
Sasha does push-ups each day for five days. The numbers of push-ups she does each day or shown below.
lana [24]

The mean average of push ups Sasha does in 5 days is 26.2.

<h3>Mean average</h3>

  • Number of days = 5
  • Day 1 = 22 push ups
  • Day 2 = 36 push ups
  • Day 3 = 21 push ups
  • Day 4 = 25 push ups
  • Day 5 = 27 push ups

Mean average = Total push ups done / number of days

= (22 + 36 + 21 + 25 + 27) / 5

= 131 / 5

= 26.2

Therefore, the mean average of push ups Sasha does in 5 days is 26.2.

Learn more about mean average:

brainly.com/question/20118982

#SPJ1

3 0
2 years ago
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