3 years ago

{-5x+3y less than or equal to 45{2x +3y>24

Mathematics

2 answers:

sergey [27]3 years ago

8 0

less than

Step-by-step explanation: so -5 x 3+ -15 so which is less than

Softa [21]3 years ago

6 0

Answer:

Step-by-step explanation:

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Evaluate the expression when a=3, b=2, and c=12

dimaraw [331]

Answer:

Step-by-step explanation:

6 + a

Putting value of a

6 + 3 = 9

Putting value of b

5(2) = 10

C - 1

Putting value of c

12 - 1 = 11

5 0

4 years ago

The student to teacher ratio is 19:1 at school and there is a total of 400 students and teachers. How many teachers and how many

Jet001 [13]

Suppose there are 19x students, 1x teachers
19x+1x=400
20x=400
x=20
there are 20 teachers and 380 students.

6 0

3 years ago

If angle 2 measures 155 degrees in the image below and what is the measurement of angle 1

Degger [83]

<h2>Answer:</h2>

<em>Angle 1 measures 25 degrees</em>

<h2>Explanation:</h2>

Hello! Remember you have to write complete questions in order to get good and exact answers. Here I'll assume the diagram shown below. In that figure, we know that:

$\angle 1=? \\ \\ \angle 2=155^{\circ}$

The figure shows that these two angles are supplementary, so they add up to 180 degrees. Therefore:

$\angle 1+\angle 2=180^{\circ} \\ \\ Substituting \ \angle 2=155^{\circ}: \\ \\ \angle 1+155^{\circ}=180^{\circ} \\ \\ \\ Isolating \ \angle 1: \\ \\ \angle 1=180^{\circ}-155^{\circ} \\ \\ \boxed{\angle 1=25^{\circ}}$