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katrin [286]
3 years ago
13

Evaluate the equation below

Mathematics
1 answer:
meriva3 years ago
3 0

Answer:

-2

Step-by-step explanation:

2(x-4)+3x-x² for x = 3

is : 2(3-4) +3(3)-3² = -2  ... answer : B

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Assign a variable to each quantity and write each statement as an inequality. Then give an example
RideAnS [48]

Answer:

1.

Variable: x

Inequality: x ≤ 12

Value that matches: 12

2.

Variable: y

Inequality: y < 66

Value that matches: 60

Step-by-step explanation:

Solving (1):

Let x be the variable

Reading through the question, we have the inequality to be represented by "at most".

At most is used for less than or equal to.

Hence, the expression can be represented by:

x ≤ 12

The range of this inequality is limited to all natural number that do not exceed 12.

Examples are 8, 2, 11, 12

Solving (2):

Let the variable be y

Reading through the question, we have the inequality to be represented by "below".

Below means less than

Hence, the expression can be represented by:

y < 66

The range of this inequality is limited to all number less than 66.

Examples are 65, 1 , 60......

6 0
3 years ago
A triangle has side lengths 4 inches 5 inches and 7 inches. is the triangle a right triangle
garri49 [273]
Hey there!

Yes this triangle is a right triangle. Leg lengths 4 and 5 in. would be the legs and the 7 inch would be the hypotenuse.

Hope this helped!
3 0
3 years ago
Suzie Chambers sells cars for a living. She earns $450 per week plus a commission of 5% on
Greeley [361]

Answer:

$930

Step-by-step explanation:

450 + 9600(.05)

450 + 480

$930

6 0
2 years ago
Read 2 more answers
Convert: 10°C to °F.
Tanzania [10]
The answer is 50 degrees 
4 0
3 years ago
What would be the slope for (-4,-7) (-6,4)​
Sliva [168]

Answer:\frac{11}{-2}

Step-by-step explanation:

ok so I'm going to try to show it the best c an

m = slope

the equation you use is

\frac{y2-y1}{x2-x1} = m

so when using that formula with the cords, you get

\frac{4-(-7)}{-6-(-4)}

and then subtract everything and you'll get

\frac{11}{-2}

6 0
3 years ago
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