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stich3 [128]
3 years ago
11

I need help with my homework please answer this correctly

Mathematics
2 answers:
joja [24]3 years ago
7 0
1 and 3 , they add to 4 and 3 minus 1 is 2
Rzqust [24]3 years ago
7 0

3 and 1  are the correct numbers you would use


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Solve the Quadratic Equation By Completing the Square<br> b^2-15b-54=0
vladimir1956 [14]
b^{2}-15b-54=0. \newline&#10;b^{2}-15b=54. \newline&#10;b^{2}-15b+(\frac{15}{2})^{2}=54+(\frac{15}{2})^{2}. \newline&#10;(b-\frac{15}{2})^{2}=\frac{441}{4}. \newline&#10;b-\frac{15}{2}=\pm\frac{21}{2}. \newline&#10;b=\pm\frac{21}{2}+\frac{15}{2}. \newline&#10;b_1 = -3, b_2 = 18.
3 0
3 years ago
Please answer this correctly
Vlad [161]

Answer: 1/4

Step-by-step explanation:

The cheesiest recipe would be 1 cup and the least cheesy recipe would be 3/4 cups

1 - 3/4 = 1/4

3 0
3 years ago
Read 2 more answers
A ladder is leaning up against a house. The ladder is 20 feet long and the base of the ladder is 12 feet away from the house. Ho
MrRa [10]

Answer:

16 feet

Step-by-step explanation:

The length of the ladder=20 feet

Distance from the base of the ladder to the house = 12 feet

You will notice that a wall is vertical and the ladder makes an angle with the horizontal ground(making it the hypotenuse). This is a right triangle problem.

To find the how far up the house can the ladder can reach, we simply find the third side of the right triangle.

From Pythagoras theorem

Hyp^2=Opp^2+Adj^2\\20^2=12^2+Adj^2\\Adj^2=400-144\\Adj^2=256\\Adj=\sqrt{256}=16

The third side of the right triangle is 16. Therefore the ladder leans 16 feet from the ground.

8 0
3 years ago
Read 2 more answers
Which best describes the relationship between the line that passes through the points (–6, –1) and (–11, 1) and the line that pa
yaroslaw [1]
The two are perpendicular to each other because the two slopes are negative reciprocals

(Y2 - Y1) / (X2 - X1)

First slope:
( 1 - (-1)) / (-11 - (-6))
2/-5

Second slope:
(-13 - (-8)) / (-5 - (-3))
-5/-2 or 5/2

You know when two aliens are perpendicular when you multiply the two slopes and get -1 as the product

-2/5 X 5/2 = -1

Thus the two lines are perpendicular to each other.
3 0
3 years ago
Read 2 more answers
I have two story problems.
vekshin1
Let lucy = l & neighbour= n
l = n +4
l + n= 14 years
substitute l with n +4
(n +4) + n = 14
2n +4 =14
n=5 years
l = n + 4 lets substitute n with 5
l = 5 + 4
lucy = 9 years

7 0
3 years ago
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