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iren [92.7K]
3 years ago
12

Which interval is the solution set to 0.35x - 4.8<5.2- 0.9x

Mathematics
2 answers:
kompoz [17]3 years ago
7 0

Answer:

x < 8

Step-by-step explanation:

0.35x - 4.8 < 5.2- 0.9x

0.35x + 0.9x < 5.2 + 4.8

1.25x < 10

x < 10/1.25

x < 8

stiks02 [169]3 years ago
4 0

Answer:

Solution set {x|x<8}

Step-by-step explanation:

0.35x - 4.8<5.2- 0.9x

0.35x+0.9x<5.2+4.8

1.25x<10

x<10/1.25

x<8

Solution set {x|x<8}

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Suppose you want to represent a triangle with sides 12 feet, 16 feet, and 18 feet on a drawing where 1 inch = 2 feet. How long s
slega [8]

Answer:

<u>The correct answer is C. 6, 8 and 9 inches.</u>

Step-by-step explanation:

1. Let's review all the information provided for answering the questions properly:

Length of the sides of the triangle = 12 feet, 16 feet and 18 feet.

Scale used : 1 inch = 2 feet.

2. How long should the sides of the triangle be in inches?

For calculating the length of the sides of the triangle in the draw, we use the scale this way:

1st Side = 12 feet

12 feet/2 = 6 inches

2nd Side = 16 feet

16 feet/2 = 8 inches

3rd Side = 18 feet

18 feet/2 = 9 inches

<u>The correct answer is C. 6, 8 and 9 </u>

8 0
3 years ago
A child has 60 total coins. There are ten times as many nickels as there are quarters (q) and twelve more dimes than quarters. W
klio [65]

Answer:

10q+q+(12+q)=60

4 0
3 years ago
write a quadratic function that has a graph that contains the following points, (-2, 0), (4, -12), (5,0).
ankoles [38]

Answer:

f(x) =  2x^2 - 6x - 20.

Step-by-step explanation:

(-2, 0) and (5, 0)  are 2 zeroes of the function so we can write the function as

f(x) =  a(x + 2)(x - 5)   where a is a constant.

Now as (4, -12) is a point on the graph:

-12 = a(4 + 2)(4 - 5)

-12 = a * 6 * -1

-6a = -12

a = 2.

So f(x) = 2(x + 2)(x - 5)

f(x) =  2x^2 - 6x - 20.

4 0
3 years ago
What percent of 75 is 40
9966 [12]

The answer is: " 53 \frac{1}{3} % " .

__________________________________________

→ " 53 \frac{1}{3} % " of 75 is "40" .

__________________________________________

Explanation:

To solve:

\frac{x}{100} * 75 = 40 ;

→ Rewrite as:

\frac{x}{100} * \frac{75}{1} = 40 ;

→ The "100" cancels to "4" ; and the "75" cancels to "3" ;

→ {since: "{100 ÷ 25 = 4}" ; and since: "{75 ÷ 25 = 3"} ;

→ So; we rewrite the problem as:

→ \frac{x}{4} * \frac{3}{1} = 40 ;

→ which is:

\frac{x}{4} * 3 = 40 ;

→ Divide each side of the equation by "3" ;

\frac{x}{4} * 3 ÷ 3 = 40 ÷ 3 ;

to get:

→ \frac{x}{4} = \frac{40}{3} ;

Now, cross-multiply:

→ 3x = (4)*(40) ;

→ 3x = 160 ;

Divide each side of the equation by "3" ;

to isolate "x" on one side of the equation; & to solve for "x" ;

→ 3x / 3 = 160 / 3 ;

to get:

→ x = 53 \frac{1}{3} .

______________________________

6 0
3 years ago
Help is needed!!!!! im bad at math :,)
elena55 [62]

Answer:

Step-by-step explanation:

A= π(5)²

 = 3.14(5)²

 = 3.14(25)

 = 78.5 ans

3 0
1 year ago
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