3 years ago

Please help asap - ill give brainiest

Mathematics

1 answer:

GenaCL600 [577]3 years ago

6 0

Answer:

this is your answer. look it once

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I spent $10 dollars out $25 what is percent I spent

Lina20 [59]

$\text {Percentage spent = } \dfrac{10}{25} \times 100$

$\text {Percentage spent = } \dfrac{2}{5} \times 100$

$\text {Percentage spent = } 40 \%$

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3 years ago

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Determine which relation is a function.

klemol [59]

A is the correct choice.

This is based on the vertical line test. If you were to draw an imaginary vertical line on the graph, it would only intersect the graph at one point, which proves that all x values are different (a function).

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3 years ago

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Easy question

Leviafan [203]

$\dfrac{\mathrm dy}{\mathrm dt}=ky\iff\dfrac{\mathrm dy}y=k\,\mathrm dt$

Integrating both sides, we get

$\ln|y|=kt+C$
$\implies y=e^{kt+C}=e^{kt}e^C=Ce^{kt}$

When $t=0$ , we have $y=10000$ , so that

$10000=Ce^{0k}\implies C=10000$

When $t=4$ , we have $y=8000$ , which means

$8000=10000e^{4k}\implies k=\dfrac14\ln\dfrac{8000}{10000}\approx-0.0558$

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3 years ago

The female lion at a zoo weights 190 pounds more than female cheetah.Let c represent the weight in pounds of the cheetah.Wright

garri49 [273]

Answer:

c + 190 = Weight of the lion

Step-by-step explanation:

6 0

3 years ago

9.2 million was calculated as a percentage of 132 million. likewise 13.4 million was determined as a percentage of 142 million.

lora16 [44]

I assume you need the difference between the percentages,

if
132 mil...........................100%
9.2 mil............................x
x=(9.2 mil * 100)/132= 6.96%

142 mil...........................100%
13.4 mil..........................y

y=(13.4 *100)/142= 9.43%

the difference is
9.43-6.96=2.47 %

4 0

3 years ago