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3 years ago

Let a = 3; x = 2c) y = ( a * x ) * x * ( x + 7 )

Mathematics

1 answer:

Molodets [167]3 years ago

6 0

Step-by-step explanation:

please mark me as brainlest

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Which representation of a transformation on a coordinate grid does not preserve congruence?

Alex17521 [72]

Answer:

Step-by-step explanation:

Consider all options:

A. Transformation with the rule

$(x,y)\rightarrow (x,-y)$

is a reflection across the x-axis.

Reflection across the x-axis preserves the congruence.

B. Transformation with the rule

$(x,y)\rightarrow \left(\dfrac{7}{8}x,\dfrac{7}{8}y\right)$

is a dilation with a scale factor of $\frac{7}{8}$ over the origin.

Dilation does not preserve the congruence as you get smaller figure.

C. Transformation with the rule

$(x,y)\rightarrow (x+6,y-4)$

is a translation 6 units to the right and 4 units down.

Translation 6 units to the right and 4 units down preserves the congruence.

D. Transformation with the rule

$(x,y)\rightarrow (y,-x)$

is a clockwise rotation by $90^{\circ}$ angle over the origin.

Clockwise rotation by $90^{\circ}$ angle over the origin preserves the congruence.

3 0

3 years ago

Find the interest rate r compounded monthly if the principal P = $4,300 reaches the future value F = $4,720 in t = 6 years. Roun

kirza4 [7]

Answer:

1.55%

Step-by-step explanation:

Fill in the values and solve for the rate using the future value formula.

FV = P(1 +r/n)^(nt)

4720 = 4300(1 +r/12)^(12·6)

(4720/4300)^(1/72) = 1 +r/12

r = 12(4720/4300)^(1/72) -1) ≈ 0.015542

The annual interest rate is about 1.55%.

4 0

3 years ago

What is the product? (2x^3+4)^2

mr_godi [17]

Answer:

4x^6+16x^3+16

Step-by-step explanation:

rewite calculate and evluate

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3 years ago

Find half of 6 times 8

Paladinen [302]

Answer:

Step-by-step explanation:

6 times 8 is 48 and i divided that by 2

5 0

3 years ago

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If you are given a 4% raise and inflation is 1%, you are _____.

raketka [301]

Answer: b

Step-by-step explanation:

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3 years ago

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Let a = 3; x = 2c) y = ( a * x ) * x * ( x + 7 )​

Let a = 3; x = 2c) y = ( a * x ) * x * ( x + 7 )