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faltersainse [42]
4 years ago
9

Please help trying to get my grade up​

Mathematics
1 answer:
oksian1 [2.3K]4 years ago
3 0
1. C (x+8)^2
2. D y=6^x
3. D t/2.35 ; 2.13 ft.
4. A (7h^2-2h)/2; 672 cm^2
5. A 4.50 h ; $7.88
For one and two you just have to plug in the numbers into the equation to see what works.
Three four and five you have to read the problems and come up with an equation to get your answer. Please comment if you need to see the work!
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Find the equation of the line joining the points (4, 9) and (-1, 0)
Fed [463]

The equation of the line joining the points (4, 9) and (-1, 0) is y = 9/5 x + 9/5

<h3>How to find the equation of a line?</h3>

The formula for calculating the equation of a line is expressed as:

y = mx + b

m is the slope

b is the intercept

Determine the slope:

Slope = 0-9/-1-4
Slope = -9/-5
Slope = 9/5

Determine the y-intecept

0 = 9/5(-1) + b

b = 9/5
Hence the equation of the line is y = 9/5 x + 9/5

Learn more on equation of a line here: brainly.com/question/13763238

4 0
3 years ago
Hi everyone! I have a quick math question for you guys! Please see the screenshot! Thank you so much! :)
monitta

Answer:

is the option a) x^6y^5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What would x equal to if x equaled 4 in this: 4x
andriy [413]

Answer:

x = 4 and the expression when evaluated at x = 4, is 16.

Step-by-step explanation:

For this problem, we will simply look at the wording of the question and the given expression.  The question ask, "What would x be equal to if x equaled 4 in this: 4x?"

In the problem, we are already given that x = 4 in the following expression, so the answer to the question is x = 4.  If we were to evaluate the expression when x = 4, we would say the following:

If x = 4, then:

4x

= 4(4)

= 16

Hence, the expression would be 16 if evaluated when x = 4.

Cheers.

8 0
3 years ago
The sum of two numbers is thirty. Three times the smaller is equal to two times the larger.
Ad libitum [116K]
X + y = 30
3x = 2y
y = 30 - x

3x = 2(30 - x)
3x = 60 - 2x
5x = 60
x = 12

12 + 18 = 30
7 0
4 years ago
The sum of a number and twice the other number is 15 . If the difference of the two numbers is 3 ,find the numbers
Temka [501]

Answer:

6 and 3

Step-by-step explanation:

6 x 2 = 12 + 3 = 15

6-3 = 3

Please mark brainliest only need one more

3 0
4 years ago
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