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laila [671]
3 years ago
13

Helpppp pleaseee ! i don’t understand

Mathematics
1 answer:
Trava [24]3 years ago
6 0

Answer:

40

Step-by-step explanation:

It’s same as <5

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Solve each inequality, graph the solution on the number line, and write the solution in interval notation
Lubov Fominskaja [6]

Answer:

(-\infty,+\infty)

Step-by-step explanation:

The given inequality is 3x-2>4 or 5x-3\leq 7

We group similar terms to obtain: 3x>4+2 or 5x\le7+3

Simplify to get:

3x>6 or 5x\le10

x>2 or x\le 2

This implies that the solution set is all real numbers.

The solution in interval notation is (-\infty,+\infty)

5 0
3 years ago
Which point is not in the solution set of 3x+2y&lt;12? A (1,4) B (2,3) C (3,1) D(4,-1)
arlik [135]
Test each one out! Coordinates are written in (x, y) so just substitute each one

A) 3(1)+2(4) = 11
B) 3(2)+2(3) = 12
C) 3(3)+2(1) = 11
D) 3(4)+2(-1) = 10

Out of all these answers B has a value less than 12 so the answer is:

B (2,3)

6 0
3 years ago
Read 2 more answers
The vertices of ΔABC are A(2, -5), B (-3, 5), and C (3, -3). The triangle is reflected over the x-axis. Use arrow notation to de
Artyom0805 [142]
Reflected over the x-axis: A'(2,-5),B'(-3,-5),C'(3,3)<span>. Hence, the original triangle is described by A'B'C'.</span>
8 0
3 years ago
Read 2 more answers
What is the simplify ratio 40:28
Simora [160]
40:28  = 10:7 simplified 
3 0
3 years ago
Mrs. Bendit’s 1st Block class has 28 students. There are 7 girls in the class. What percent of boys are in the class?
Gemiola [76]

Answer:

Boys: 75%

Girls: 25%

Step-by-step explanation:

Total: 28 Students: 100%

7 Girls in clas

28(total)-7 (girls)= 21 Boys in class

__________________

If we divide the amount  boys OR girls ( depending on which gender) after the toal and move the decimal to the right twice after dividing) we will get our answer.

Formula:

(Amount of Boy or girls) = x

X/28

So since we are trying to get the percentages of boys, we will replace X with the amount of boys

21/28 = .75 ( then move the decimal to the right TWICE) =  75  

Then you should get your percentages: 75%  Also if your lookings for girls percentages, you basically subtract 75 ( boys percentages) with the total percentages ( 100) then you should get your answer for the girls: 25%

7 0
2 years ago
Read 2 more answers
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