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wariber [46]
2 years ago
8

Hhhhhiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii

Mathematics
2 answers:
OverLord2011 [107]2 years ago
8 0
Wsppppp homieeeeeeeeeee
Rzqust [24]2 years ago
6 0

Heeeeeeeyyyyyyyyyyyyy

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Determine if the following system of equations has no solutions ......................
topjm [15]

Answer:

No solutions

Step-by-step explanation:

3x+4y=-4

15x+20y=-22

——————————

-5(3x+4y)=-5(-4) multiply 1st equation by -5 so you can eliminate the variables

-15x-20y=20. Modified 1st equation

15x+20y=-22.  2nd equation

0+0=-2. Added two equations together

since 0 does not equal -2, there is no solution.

8 0
2 years ago
PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!!
Mila [183]

Answer:

m\angle H = 44.4\°.

Step-by-step explanation:

Given:

In Right Angle Triangle GIH

∠ I = 90°

GI = 7    ....Side opposite to angle H

GH = 10  .... Hypotenuse

To Find:

m∠H = ?

Solution:

In Right Angle Triangle ABC ,Sine Identity,

sin \ H = \frac{Oppsite\  side\  to\  \angle H}{Hypotenuse}

Substituting the values we get;

sin\ H = \frac{7}{10} = 0.7

Now taking sin^{-1} we get;

\angle H = sin^{-1}\ 0.7 = 44.427

rounding to nearest tenth we get.

m\angle H = 44.4\°.

Hence m\angle H = 44.4\°.

6 0
3 years ago
A 20 foot ladder is leaning against the side of a building. The bottom of the ladder is 4 feet from the wall. How many feet abov
Semenov [28]
It form a right triangle
legnth of ladder is hypotonuse
bottom of ladder from wall distance is one leg
distance up wall is other leg
a^2+b^2=c^2
c=hypotonuse and a and b are legs

4^2+b^2=20^2
16+b^2=400
minus 16 both sides
b^2=384
sqrt both sides
b=8√6 ft
aprox
b=19.59ft from ground
6 0
3 years ago
Can someone please help me with this question?
Aleks04 [339]

Answer:

Can someone please help me with this question?

Step-by-step explanation:

6 0
2 years ago
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Y = -x²+4<br> y = 2x+1<br> solve the system of equations
Semenov [28]
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:
(
1
,
3
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,
(
−
3
,
−
5
)
(
1
,
3
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,
(
-
3
,
-
5
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Equation Form:
x
=
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y
=
3
x
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4 0
2 years ago
Read 2 more answers
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