2 years ago

300=x^2+15x what is x?

Mathematics

1 answer:

Vlada [557]2 years ago

6 0

Answer:

x = -26.3746, 11.3746

Step-by-step explanation:

Easiest and fastest way to solve for <em>x</em> is to graph x² + 15x - 300 and analyze where the graph crosses the x-axis.

Alternatively, you can use the Quadratic Formula to help solve for <em>x</em>.

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What is 5 3/4 minus 4 1/10?

klasskru [66]

5 3/4 -4 1/10
= 23/4 -41/10
= 115/20 -82/20
= 33/20
= (20+13)/20
= 20/20+ 13/20
= 1+ 13/20
= 1 13/20

The final answer is 1 13/20~

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3 years ago

Cody was 165cm, {cm}165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school

strojnjashka [21]

Answer:

Cody was 148.5cm on the first day of school last year.

Step-by-step explanation:

10% = 0.1

165 x 0.1 = 16.5

165 - 16.5 = 148.5

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3 years ago

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Find the value of x+10=11

drek231 [11]

Answer:

x=1

Step-by-step explanation:

×+10=11

-10 -10

x = 1

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3 years ago

-9 + 10 over 4 equals negative 7

umka21 [38]

-9 + 10 over 4 = -7

1/4 = -7

1/4 does not equal -7

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2 years ago

Morris has 2 3/4 gallons of ice tea. He gives 3/7 of it to her friend. How many gallons of ice tea does Morris have left?

lara31 [8.8K]

Answer:

$2 \frac{9}{28}$ gallons of ice tea is left with Morris

Step-by-step explanation:

Morris has 2 3/4 gallons of ice tea. He gives 3/7 of it to her friend.

Morris has 2 3/4 gallons of ice tea

$2\frac{3}{4}= \frac{2*4+3}{4}=\frac{11}{4}$

He gives 3/7 of it to her friend.

To find how many gallons of ice tea does Morris have left , we subtract 3/7 from 11/4

$\frac{11}{4}- \frac{3}{7}$

Make the denominators same

$\frac{11*7}{4*7}- \frac{3*4}{7*4}$

$\frac{77}{28}- \frac{12}{28}$

$\frac{65}{28}$

$\frac{65}{28} = 2 \frac{9}{28}$

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2 years ago