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Murljashka [212]
3 years ago
12

Which expression is equivalent to −24x+72?

Mathematics
1 answer:
klio [65]3 years ago
5 0

Answer:-24(x-3) = -24x (-24)(-3)

Step-by-step explanation:

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A 4 meter ladder leans against a house forming a
Ket [755]

Answer:

2.meters

Step-by-step explanation:

Lenght of ladder = 4 m

θ = 30°

To obtain h;

Using Pythagoras rule :

Sinθ = opposite / hypotenus

Hypotenus = 4 ; opposite = h

Sin 30 = h / 4

0.5 = h / 4

h = 0.5 * 4

h = 2 m

Hence, distance between th efoot of ladder and the base of the wall is 2 m

6 0
3 years ago
Consider the proof. Given: In △ABC, BD ⊥ AC Prove: the formula for the law of cosines, a2 = b2 + c2 – 2bccos(A) Statement Reason
loris [4]

Solution: The missing reason in Step 8 is substitution of x=c\cos (A).

Explanation:

The given steps are used to prove the formula for law of cosines.

From step 5 it is noticed that our equation is

a^2=b^2-2bx+c^2      ..... (1)

From step 7 it is noticed that the value of x is c\cos (A).

So by substituting c\cos (A) for x in equation (1) we get the equation of step 8, i.e.,

a^2=b^2-2bc\cos (A)+c^2

Hence, the missing reason in Step 8 is substitution of x=c\cos (A).



5 0
3 years ago
Read 2 more answers
8x 3x=24 what does x equal
Debora [2.8K]

8x * 3x = 24

24x = 24

x = 1

5 0
3 years ago
A cube has a volume of 1000 cubic feet. What us the edge length of the cube?
Ainat [17]
So volume of a cube=edge legnth cubed so take the cube root of 1000 and get 10
the side legnth is 10 feet
7 0
3 years ago
3. Which pair of quantities form a proportional relationship? ​
pychu [463]
C
D

Reason: their ratio is 1


Mark brainliest please
8 0
2 years ago
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