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vlada-n [284]
3 years ago
5

What is the solution to this equation? 4x + x - 15 + 3 - 8x = 13

Mathematics
1 answer:
grigory [225]3 years ago
5 0
4x + x - 15 + 3 -8x = 13

Combine like terms:
(4x+x-8x) + (-15+3) =13

-3x-12 = 13

+12 +12
———————-
-3x = 25
— —-
-3 -3

X= -25/3
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Yakvenalex [24]

The correct answers are :

(5x)² ≥ 46

x² + 5x ≤ 46

5x² > 46

<h3>What is Inequalities?</h3>

A statement of an order relationship—greater than, greater than or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.

Here, Suppose number is x

1)  The square of the product of 5 and a number is not less than 46.

Step 1

Product of 5

5x

Step 2

Square of product of 5

(5x)²

Step 3

A number is not less than 46

(5x)² ≥ 46

2)  The sum of square of a number and five times that number is not more than 46

Step 1

Square of a number

x²

Step 2

Five times that number

5x

Step 3

The sum = x² + 5x

Step 4

Is not more than 46

x² + 5x ≤ 46

3)  The product of 5 and the square of a number is greater than 46

Step 1

The square of a number

x²

Step 2

The product of 5

5x²

Step 3

Is greater than 46

5x² > 46

Thus, The correct answers are :

(5x)² ≥ 46

x² + 5x ≤ 46

5x² > 46

Learn more about Inequality from:

brainly.com/question/20383699

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3 0
2 years ago
Jordan is mixing water and flour to make tortillas. The number cups of water, w needed for f cups of flour is described by the e
Tresset [83]

Answer:

1\frac{1}{3} cups of flour.

Step-by-step explanation:

Given that:

w is the number of cups of water to be mixed with flour for making tortillas.

f is the number of cups of flour to be mixed with water for making tortillas.

Relation between w and f is given by the equation:

w=0.75f

To find:

Number of cups of flour to be added if number of cups of water to be used is 1.

Solution:

We are given an equation with two variables.

Value of one variable is given and we have to find the value of other variable.

1=0.75f\\\Rightarrow f = \dfrac{1}{0.75}\\\Rightarrow f = 1.33

Number of cups of flour to be added = 1\frac{1}{3}

6 0
3 years ago
What is the exact value? (Picture provided)
creativ13 [48]

Answer:

b.  (√15)/4

Step-by-step explanation:

Since Sin Ф = (opposite side)/Hypotenuse, we have 2 sides of a right triangle.  

Use Pythagorean theorem to solve for the missing leg (the adjacent side)

 1² + b² = 4²

    1 + b² = 16

            b² = 15

                 b = √15

So the adjacent side is √15, so Cos Ф = (√15)/4

6 0
3 years ago
Read 2 more answers
Classify the type of measurement as nominal ordinal ratio or interval
alexandr402 [8]
1: ordinal
2: interval
3: ordinal
4: ordinal
5: interval

i think those are the answers, my apologies if i’m wrong x
8 0
3 years ago
Find the value of x. 2(3x - 5) = 8
aliina [53]

Answer:

3

Step-by-step explanation:

2(3x - 5) =8

6x - 10 =8

6x =8 +10

6x =18

x=18 :6

x=3

4 0
3 years ago
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