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mihalych1998 [28]
3 years ago
6

An equation is given below. 4(2x-3) = 0.2(x + 5) + 5.72 The solution to the equation is

Mathematics
1 answer:
lys-0071 [83]3 years ago
8 0

Answer:

x = 2.4

Step-by-step explanation:

4 ( 2x - 3 ) = 0.2 ( x + 5 ) + 5.72

8x - 12 = 0.2x + 1 + 5.72

7.8x = 12 + 1 + 5.72

7.8x = 18.72

x = 2.4

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How do you do these?
fiasKO [112]
I'll do #6. 

The axis of symmetry is the x-coordinate of the vertex, which in this case, is (0,-4). So the axis of symmetry is x=0. 

The vertex is in the above answer. Since this is a quadratic function, there are no boundaries, the domain is All Real Numbers. 

The range goes up forever <em>from </em><em>the vertex. </em>The vertex is (0,-4), so, the minimum y value is -4. The range is y is greater than or equal to -4, or in interval notation: [-4,infinity] 

Hope this helps!

4 0
3 years ago
I need help with this​
ddd [48]

Answer:

n = √3

m = √3

Step-by-step explanation:

The triangle is an isosceles right triangle with 2 equal base angles of 45° each.

Thus:

Reference angle = 45°

Hypotenuse = √6

Opposite = m

Adjacent = n

✔️To find m, apply the trigonometric function SOH, we have:

Sin 45 = opp/hyp

Sin 45 = m/√6

√6 × 1/√2 = m (sin 45 = 1/√2)

√6/√2 = m

√(6/2) = m

√3 = m

m = √3

✔️To find n, apply the trigonometric function, CAH:

Cos 45 = adj/hyp

Cos 45 = n/√6

√6 × √2/2 = n (cos 45 = √2/2)

√12/2 = n

√(4*3)/2 = n

(2√3)/2 = n

√3 = n

n = √3

8 0
3 years ago
I just want to make sure or is it b?
klasskru [66]
I believe the answer should actually be

C.) It is a one to one function

A one to one function is a function in which the x and y values never repeat. Each value of x is different every time, and they never have the same values of y.
6 0
3 years ago
I need help with this question?????
tangare [24]
Its just multiplied by 2
3 0
3 years ago
Read 2 more answers
S Rob and Bob together scored 88
Paul [167]
Rob scored 34 points. 88-54=34
3 0
3 years ago
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