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3 years ago

0.052301 km: 5 significant figures

Mathematics

1 answer:

mixer [17]3 years ago

5 0

Answer:

first one has 5 sd

second one has 1 sd

the last one has 3 sd

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Carl is raising money for his football team. He is selling chocolate bars for $1.50 each and cookies for $2. He sold all 20 of h

stich3 [128]

Answer:

Carl has to sell at least $8$ cookies.

$c\geq 7.5$

Step-by-step explanation:

Carl gets $\$1.50$ by selling 1 chocolate bar.

Earning from chocolate bars:

$Total\ chocolate\ bar=20\\\\Earning\ from\ one\ chocolate\ bar=\$1.50\\\\Total\ earning\ from\ chocolate\ bar=Total\ chocolate\ bar\times cost\ of\ 1\ chocolate\ bar=20\times 1.5=\$30$

Earning From cookies:

$Let\ total\ number\ of\ cookies=c\\\\Cost\ of\ 1\ cookie=\$2\\\\Earning\ from\ cookies=2\times c=2c$

$Total\ earning=Earning\ from\ cookies+Earning\ from\ cookies+Earning\ from\ chocolate\ bars\\\\Total\ earning=30+2c$

Carl wants to raise at least $\$55$

$Total\ earning\geq 55\\\\2c+30\geq 55\\\\2c\geq 55-30\\\\2c\geq 15\\\\c\geq7.5$

7 0

3 years ago

What is the solution to the system -2x + y = 6 and y= 2x - 3?

Irina18 [472]

replace y= 2x - 3 into -2x + y = 6

-2x + 2x - 3 = 6

- 3 = 6 .....no solutions....

8 0

3 years ago

Could you please help me thank you

stiks02 [169]

Answer:

2 (1/3) cups

Step-by-step explanation:

8 x 3(1/2) = 28 cups

28 / 12 = 2 (1/3) cups

3 0

3 years ago

434543645445 x 536436345363 please help my college teacher want's me to do this hurry asap.

Luba_88 [7]

Answer:

2.3310501e+23

Step-by-step explanation:

i dunno i googled it

6 0

3 years ago

Read 2 more answers

What is? The length of a rectangle is 5 less than twice the width. If the perimeter of the rectangle is 146cm, find the dimensio

Rufina [12.5K]

Answer:

The width is 26cm and the length is 47cm :)

Step-by-step explanation:

im doing this rn

6 0

3 years ago