2 years ago

Translate this sentence into an equation.

Mathematics

1 answer:

Andrew [12]2 years ago

3 0

Step-by-step explanation:

"product" means multiplication. the same as "times".

so,

135 = r×9

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12r2s + 21rs2 – 3rs=

Nitella [24]

Answer:
63rs

explanation:
collect like terms
12*2=24rs
21*2=42rs
then add 24+42=66rs
then subtract 3rs
then just add rs

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2 years ago

Find the exact value of tan -75

anyanavicka [17]

Answer:

-2 + $\sqrt{3}$

Step-by-step explanation:

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3 years ago

(1+1/3)^2−2/9 I am about to have a mental breakdown, please somebody answer

Archy [21]

Answer:

$\frac{14}{9} = 1\frac{5}{9} \\\\1.5$

Step-by-step explanation:

$(1+1/3)^2-2/9\\\\= \left(1+\frac{1}{3}\right)^2-\frac{2}{9}\\\\\left(1+\frac{1}{3}\right)^2=\frac{4^2}{3^2}\\\\=\frac{4^2}{3^2}-\frac{2}{9}\\\\\frac{4^2}{3^2}=\frac{16}{9}\\\\=\frac{16}{9}-\frac{2}{9}\\\\\mathrm{Apply\:rule}\:\frac{a}{c}\pm \frac{b}{c}=\frac{a\pm \:b}{c}\\\\=\frac{16-2}{9}\\\\\mathrm{Subtract\:the\:numbers:}\:16-2=14\\=\frac{14}{9}$

8 0

3 years ago

Read 2 more answers

Melissa and her friends are stretching rubber bands for an activity in science class. Melissa stretched her elastic to 10 inches

Butoxors [25]

Melissa, Juan, Sara, and Marsha.

Hope this helps! :)

4 0

2 years ago

Plums are $3.25 for 2 pounds, i need 4 pounds. how much will it cost

olasank [31]

<u /> $\frac{3.25}{2lbs} = \frac{x}{4lbs} \\ \frac{3.25}{2} * \frac{2}{2} = \frac{x}{4} \\ \frac{3.25 * 2}{2*2} = \frac{x}{4} \\ 3.25*2 = x \\ x = 6.50$
It will cost $6.50 for four pounds of plums.

Hope this helps!

4 0

3 years ago