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sladkih [1.3K]
3 years ago
10

Need help don’t understand

Mathematics
2 answers:
adoni [48]3 years ago
7 0

there is an equation for straight lines which goes

y-y,=m(x-x,)

where( x, , y, ) is any coordinate on the line and m is the gradient

so your answer is

y-7= -2(x-4)

does this make sense?

Kruka [31]3 years ago
3 0
It would go -2 then the remaining number. I understand I just recently got done with this type of math, it’s a pain.
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X^2y^-1 + y / a-xy^-1
beks73 [17]

*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆*――*☆**☆*――*☆*――*☆*――*☆

Answer: Screenshot below!

I hope this helped!

<!> Brainliest is appreciated! <!>

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5 0
3 years ago
Find the value of c that makes the expression a perfect square trinomial.
Bingel [31]

Answer:

c = 3.24

(x+1.8)²

Step-by-step explanation:

The question wants you to fill in the last term.

To find the last term, you must use the formula (b/2)^2.

Let's use this formula for the equation you gave: x²+3.6x+c

c = (b/2)²

c = (3.6/2)²

c = 3.24

That is the value of c.

Let's plug in c in the last term for better understanding.

x²+3.6x+3.24 is now factorable.

  • You can complete the square or use the quadratic formula to factor.

The factored form will turn out to be : (x+1.8)²

4 0
3 years ago
Find D
Snowcat [4.5K]

Answer:

b. < D = 64°

I hope this helps

7 0
3 years ago
Read 2 more answers
Claudia is making a candle by pouring melted wax into a mold in the shape of a cylinder. The radius of the cylinder’s base is 4
shusha [124]

17 wax cubes with volume of 27 cm³ each would be needed to make the candle with a volume of 452.16 cm³

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Volume of cylinder = π * radius² * height

Volume = π * 4² * 9 cm = 452.16 cm³

Volume of the cube = 3 cm * 3 cm * 3 cm = 27 cm³

Number of cubes needed = 452.16 cm³ / 27 cm³ = 16.75

17 wax cubes with volume of 27 cm³ each would be needed to make the candle with a volume of 452.16 cm³

Find out more on equation at: brainly.com/question/2972832

#SPJ1

6 0
2 years ago
What is the solution of the following one-step equation?<br> X-8 = 15
kotykmax [81]

Answer: x=23

Step-by-step explanation:

X-8=15. Add 8 to both sides. The 8 cancels on the left side because -8 +8 is 0 leaving x. 15+8=23 meaning x=23.

6 0
4 years ago
Read 2 more answers
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