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sdas [7]
2 years ago
13

If f(x) = 3x - 1 and g(x) = x + 2, find ( f - g) (x) ?

Mathematics
1 answer:
mylen [45]2 years ago
8 0

(3x-1) - (x+2) = 2x -3

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The amount of paper needed to cover a Vic too in the shape of a trapezoid is 198cm squared.If the height of the bud too is 18 ca
Jlenok [28]
The length of the other base is 82
4 0
3 years ago
An interior designer purchased 4 1/2 yards, 6 2/3 yards and 9 1/4 yards of fabric to make curtains How many yards of fabric did
ArbitrLikvidat [17]
Simply add up all.

4  1/2  +    6  2/3  + 9  1/4

(4 + 6 + 9) +    1/2  + 2/3 + 1/4

19                    6/12 + 8/12 + 3/12 = (6+8+3)/12 = 17/12

19      17/12
 
19       1 5/12

19 + 1  5/12

= 20   5/12

20   5/12    yards was purchased.  
4 0
3 years ago
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Answer my math question I asked so many times I lost most of points help by
alexandr1967 [171]

y-intercept: (0, 1)

Line of symmetry calculation: x = -b/2a = -(-2)/2(2) = 0.5

Line of symmetry: x = 0.5

Open UP or DOWN: Opens UP

Min or Max: Min

Vertex: (0.5, 0.5)

Domain: {x|x ∈ ℝ}

Range: {y|y ≥ 1/2}

6 0
2 years ago
In ∆MNP, m∠N = 90º, NH – altitude, m∠P = 21º, PM = 4 cm. Find MH.
Sveta_85 [38]

Answer:

0.51 cm

Step-by-step explanation:

In right triangle MNP, MP = 4 cm, m∠N = 90°, m∠P = 21°

By the sine definition,

\sin \angle P=\dfrac{\text{Opposite leg}}{\text{Hypotenuse}}=\dfrac{MN}{MP}\\ \\MN=MP\sin \angle P\\ \\MN=4\sin 21^{\circ}\approx 1.43\ cm

Now, consider right triangle HMN (it is right because NH is an altitude). By the cosine definition,

\cos \angle M=\dfrac{\text{Adjacent leg}}{\text{Hypotenuse}}=\dfrac{MH}{MN}\\ \\MH=MN\cos \angle M

In the right triangle, two acute angles are always complementary, so

m\angle M=90^{\circ}-m\angle P=90^{\circ}-21^{\circ}=69^{\circ}

Thus,

MH=1.43\cos 69^{\circ}\approx 0.51\ cm

7 0
3 years ago
50 squared equals 2 + 25 squared equals 2 * 5 equals 10 what is wrong
Klio2033 [76]

Convert to an equation:

50^2=2+25^2=2*5=10

Simplify:

2500=625=10=10

What is wrong is that 2500 does not equal 625 which does not equal 10.

7 0
3 years ago
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