3 years ago

I need the answer for this question

Mathematics

1 answer:

Alja [10]3 years ago

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Angle 1 and 6 are supplementary

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Luz earns $400 for 40 hours of work. Use a ratio table to determine how much she earns for 6 hours of work.

LiRa [457]

To work out how much Luz earns, you simply have to follow 400/40=10, so she earns $10/hour. We can therefore establish that if she works for 6 hours, she'll earn $60.

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3 years ago

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You buy a new computer for $1,500. The value of the computer decreases by 6%

Naya [18.7K]

Answer:

$1171.05

Step-by-step explanation:

1500 × (1-(6 / 100))⁴

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The profile of the cables on a suspension bridge may be modeled by a parabola. The central span of a bridge is 1270 ft long and

deff fn [24]

Answer:

Step-by-step explanation:

Given

span of bridge $L=1270\ ft$

height of span $h=157\ ft$

Equation of Parabola

$y=0.00039x^2$

$|x|$ i.e.

$-635$

$\frac{dy}{dx}=2\times 0.00039$

length of Arc $=\int_{a}^{b}\sqrt{1+(\frac{dy}{dx})^2}$

$=\int_{-635}^{635}\sqrt{1+(\frac{dy}{dx})^2}$

$=\int_{-635}^{635}\sqrt{1+(0.00078x)^2}$

$=2\times \int_{0}^{635}\sqrt{1+(0.00078x)^2}$

$=2\times (660.08)$

$=1320.16\ ft$

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3 years ago

One can of frosting covers about 280 square inches. Is one can of frosting enough to frost the cake?

kozerog [31]

Answer: Yes, because you only need 249 in^2 and it will cover 280 in^2

Step-by-step explanation:

SA=LW+2WH+2LH

SA=13(9)+2(9)(3)+2(13)(3)

SA=249 IN

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3 years ago

susan figure the slope of the line passing through the points (4,19) amd (7,28) to be 1/3. the teacher believes susan is wrong.

melamori03 [73]

For (x1,y1) and (x2,y2)
slope=(y2-y1)/(x2-x1)

(4,19)
(7,28)

slope=(28-19)/(7-4)=9/3=3/1=3
because math

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3 years ago