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olya-2409 [2.1K]

3 years ago

11

Three friends buy one pack of 80 stickers. T hey divide the stickers equally and give the remainder to their teacher. How many w

ill each friend get?

1 answer:

Anestetic [448]3 years ago

8 0

Answer:

26

Step-by-step explanation:

80 divided by three = 26.666666

26 times 3 = 78

2 leftover

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Which point would be a solution to the system of linear inequalities ?

brilliants [131]

Answer:

(12,-6)

Step-by-step explanation:

we have

$y\leq \frac{4}{3}x+5$ ----> inequality A

$y\geq -\frac{5}{2}x+5$ ---> inequality B

we know that

If a ordered pair is a solution of the system of inequalities, then the ordered pair must satisfy both inequalities (makes true both inequalities)

<u><em>Verify each point</em></u>

Substitute the value of x and the value of y of each ordered pair in the inequality A and in the inequality B

case 1) (0,-1)

Inequality A

$-1\leq \frac{4}{3}(0)+5$

$-1\leq5$ ----> is true

Inequality B

$-1\geq -\frac{5}{2}(0)+5$

$-1\geq 5$ ----> is not true

therefore

The ordered pair is not a solution of the system

case 2) (0,3)

Inequality A

$3\leq \frac{4}{3}(0)+5$

$3\leq5$ ----> is true

Inequality B

$3\geq -\frac{5}{2}(0)+5$

$3\geq 5$ ----> is not true

therefore

The ordered pair is not a solution of the system

case 3) (-6,-6)

Inequality A

$-6\leq \frac{4}{3}(-6)+5$

$-6\leq-3$ ----> is true

Inequality B

$-6\geq -\frac{5}{2}(-6)+5$

$-6\geq 20$ ----> is not true

therefore

The ordered pair is not a solution of the system

case 4) (12,-6)

Inequality A

$-6\leq \frac{4}{3}(12)+5$

$-6\leq21$ ----> is true

Inequality B

$-6\geq -\frac{5}{2}(12)+5$

$-6\geq -25$ ----> is true

therefore

The ordered pair is a solution of the system (makes true both inequalities)

8 0

3 years ago

Help pls pls plss!!! asap

alekssr [168]

Step-by-step explanation:

angle 1=180-(90+58)

=180-148

=32

angle1=angle2=32

angle3=180-(108+32)

=180-140

=40°

7 0

3 years ago

What is the result of adding these two equations? 6 x + 2 y = − 2 3 x − 2 y = − 5 6x+2y 3x−2y =−2 =−5

stellarik [79]

Answer:

The result gives the equation: 9x = -7

solution: (-7/9, 4/3)

Step-by-step explanation:

6 x + 2y = − 2

and

3 x − 2y = − 5

add together

6x + 3x + 2y - 2y = -2 + -5

9x + 0 = -7

9x = -7

then x = -7/9

and y = -3x - 1:

y = -3*(-7/9) - 1

y = 7/3 - 1 = 4/3

solution: (-7/9, 4/3)

-----------------------------------------

6x+2y= -2 and 3x−2y =−5

6x + 3x + 2y - 2y = -2 + -5

7 0

3 years ago

Use the quadratic formula to solve 4x^2 - 8x - 60 = 0

zhannawk [14.2K]

A. You can factor it to those terms

4 0

3 years ago

The prime and composite numbers of 9, 15,19,26,33,37,45,47

Elanso [62]

Prime= 19, 37, and 47
Composite= 9, 15, 26, 33, and 45
Hope this helps!

4 0

3 years ago