MATHEMATICS MIDDLE SCHOOL

Given x+2<-5 choose the solution set.​
given x+2&lt;-5 choose the solution set.​ - 1

Answers

Answer 1
Answer:

Answer:

\large\boxed{\{x|x\in\mathbb{R},\ x<-7\}}

Step-by-step explanation:

x+2<-5\qquad\text{subtract 2 from both sides}\n\nx+2-2<-5-2\n\nx<-7\to\{x|x\in\mathbb{R},\ x<-7\}
Answer 2
Answer:

Answer:

x < -7; the answer is the first choice.

Step-by-step explanation:

x + 2 < -5

Subtract 2 from both sides.

x < -7

The answer is the first choice.

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Answers

Answer:

y - intercept = - 18

Step-by-step explanation:

To find the y-intercept of the line

y + 4 = - 4 ( x + 3.5 ) ,

We can transpose the equation into the y = mx + b formula where b = y - intercept.

y + 4 = - 4 ( x + 3.5 )

y + 4 = ( - 4x ) + ( - 14 )

y + 4 = - 4x - 14

y = - 4x - 14 - 4

y = - 4x - 18

b = - 18

Therefore:

y - intercept = - 18

Factor the expression using GCF
54e + 27
60x - 84
42x + 28y


Thanks!​

Answers

Answer:

1.  54 e + 27   = 27 ( 2 e + 1)

2. 60 x  - 84  = 12 ( 5 x -  7)

3. 42 x  + 28 y  = 14 ( 3 x +  2 y)

Step-by-step explanation:

Here, the given expressions are as follows:

1. 54 e + 27

Here, the G C F of   54 and 27 is 27.

So, taking out the G C F as common factor from the given expression, we get:  54 e + 27   = 27 ( 2 e + 1)

2.  60 x - 84

Here, the G C F of   60  and 84 is 12.

So, taking out the G C F as common factor from the given expression, we get: 60 x  - 84  = 12 ( 5 x -  7)

3. 42 x + 28 y

Here, the G C F of   42  and 28 is 14.

So, taking out the G C F as common factor from the given expression, we get: 42 x  + 28 y  = 14 ( 3 x +  2 y)

What is the vertex f(x)= 5x^2+20x-16

Answers

f(x) = 5x² + 20x - 16

y = 5(x² + 4x) - 16
y + 16 = 5(x² + 4x + __)

perfect square:
x² ⇒ x * x
4x ⇒ 2*2x
2² = 4

y + 16 + 4 = 5(x² + 4x + 4)
y + 20  = 5(x+2)²

(x+2)² ⇒ (x+2)(x+2) = x(x+2) + 2(x+2) = x² + 2x + 2x + 4 = x² + 4x + 4

y = 5(x+2)² - 20

What is the answer to 17/18-2/3=?

Answers

(17)/(18) - (2)/(3)
You must have a common denominator to subtract

Multiply (2)/(3) by (6)/(6) = (12)/(18)

(17)/(18) - (12)/(18) = (5)/(18)

(5)/(18) is your answer
17/18 - 2/3
17/18 - 12/18 = 5/18
The answer is 5/18

The new pencil was 19 centimeters long. How many millimeters long was the pencil?

Answers

the pencil was 190 millimeters long cuz 1cm=10mm 2cm=20cm 3cm=30mm and on and on hope that helps *smiles*
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Ms. Taylor uses 1/8 teaspoon of salt for each batch of cookies she bakes. How many teaspoons of salt are needed to bake 5 batches?

Answers

1/8 = 0.125
0.125 * 5 = 0.625
Ms. Taylor will need 625/1000 teaspoon of salt for 5 batches.
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