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Norma-Jean [14]
4 years ago
5

Find value of y for given value of x. y=3x 2; x=0.5

Mathematics
1 answer:
Igoryamba4 years ago
5 0
Y=3x2                                                                                                                            3x(0.5)=1.5+2=3.5 Y=3.5 
3(0.5)X2  1.5X2=3 Y=3
1.5/2=0.75 Y=0.75
1.5-2=-0.5   Y= -0.5
hope that helps . let me know plz                                                                                                                          
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Candace ate 3 over 4 cup of cereal. The box of cereal states that one serving of cereal is equal to 2 over 3 cup. Which fraction
choli [55]

Answer: Candace ate \dfrac9{12}  servings.

Step-by-step explanation:

Given: Candace ate \dfrac34 cup of cereal.

The box of cereal states that 1 serving of cereal =  \dfrac23 cup.

i.e. 1 cup = \dfrac32 servings   [Multiply \dfrac32 both sides]

⇒ \dfrac{3}{4} cup = \dfrac34\times\dfrac32 servings

    =     \dfrac9{12}  servings  [which is the number of servings she ate]

Hence, Candace ate \dfrac9{12}  servings.

6 0
3 years ago
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Ahat [919]

Answer: v(t)= 6500(0.15)^t

Step-by-step explanation:

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6 0
3 years ago
AB is a line of symmetry of this arrow shape. A)Calculate The Perimeter of the shape.
maw [93]

Answer:

A)58cm

B)h=4\sqrt{5}cm

C)125.55square cm

Step-by-step explanation:

AB is a line is symmetry

Total length of left half part=12cm+9cm+3cm+5cm

Total length of left half part=29 cm

Length of left half part=Length of right half part

Therefore, length of right half part=29 cm

A) Perimeter of the shape=29cm+29cm=58cm

B)

Pythagoras theorem

(Hypotenuse)^2=(Base)^2+(Perpendicular\;side)^2

Hypotenuse=12 cm

Base=5+3=8cm

In triangle ADC

Now, using Pythagoras  theorem

(12)^2=8^2+h^2

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h^2=144-64=80

h=\sqrt{80}=4\sqrt{5}cm

C)

Area of shape=Area of triangle+ area of rectangle

Area of shape=\frac{1}{2}\times b\times h+l\times b

Where l=9cm

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base=2(5)+3(2)=16cm

Area of shape=\frac{1}{2}\times\times 16\times 4\sqrt{5}+9\times 6

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7 0
3 years ago
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nadezda [96]

Answer:

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Step-by-step explanation:

y=mx+b

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460=b

So the line in slope intercept form is y=58x+460

5 0
3 years ago
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Olenka [21]

Answer:

A

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A is as good an answer as you are likely to get, but I don't think it's right.

8 0
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