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3 years ago

Brian budgeted $1,000.00 for a new computer. Will give brainly and extra points

Mathematics

2 answers:

xeze [42]3 years ago

5 0

Answer: MARK BRAINLIEST !!!!

Brian will get the laptop computer for $935.00 instead of the desktop computer for $1023.75

Step-by-step explanation:

15% of 1100 is 165

25% of 1365 is 341.25

$1000.00 - TO SPEND

Laptop

15% of 1100=165

1100-165= 935

Desktop

25% of 1365 is 341.25

1365-341.25= 1023.75

HOPE THIS HELPS :)))

LuckyWell [14K]3 years ago

4 0

Answer:

Laptop computer

Step-by-step explanation:

15% discount, 85% paid

0.85(1100) = 935 < 1000

25% discount, 75% paid

0.75(1365) = 1023.75 > 1000

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The height of a stuntperson jumping off a building that is 20 m high is modeled by the equation h = 20 -57, where t is the time

cupoosta [38]

A stuntman jumping off a 20-m-high building is modeled by the equation h = 20 – 5t2, where t is the time in seconds. A high-speed camera is ready to film him between 15 m and 10 m above the ground. For which interval of time should the camera film him?

Answer:

$1\leq t\geq \sqrt{2}$

Step-by-step explanation:

Given:

A stuntman jumping off a 20-m-high building is modeled by the equation

$h =20-5t^{2}$ -----------(1)

A high-speed camera is ready to making film between 15 m and 10 m above the ground

when the stuntman is 15m above the ground.

height $h = 15m$

Put height value in equation 1

$15 =20-5t^{2}$

$5t^{2} =20-15$

$5t^{2} =5$

$t^{2} =1$

$t =\pm1$

We know that the time is always positive, therefore $t=1$

when the stuntman is 10m above the ground.

height $h = 10m$

Put height value in equation 1

$10 =20-5t^{2}$

$5t^{2} =20-10$

$5t^{2} =10$

$t^{2} =\frac{10}{5}$

$t^{2} =2$

$t=\pm\sqrt{2}$

$t=\sqrt{2}$

Therefore ,time interval of camera film him is $1\leq t\geq \sqrt{2}$

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Sedbober [7]

Answer:

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Step-by-step explanation:

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Leona [35]

Answer:

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Step-by-step explanation:

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3 years ago

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Anon25 [30]

Answer:

Step-by-step explanation:

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