3 years ago

What is equivalent to the expression?

Mathematics

1 answer:

dalvyx [7]3 years ago

7 0

A. -2.5m+2.5

Distribute M combine like terms

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What is 4✓3×10✓12×✓6×✓2

oksian1 [2.3K]

$4\sqrt3\cdot10\sqrt{12}\cdot\sqrt6\cdot\sqrt2=(4\cdot10)\sqrt3\cdot\sqrt{12}\cdot\sqrt{6\cdot2}=40\sqrt3\cdot\sqrt{12}\cdot\sqrt{12}\\\\=40\sqrt3\cdot(\sqrt{12})^2=40\sqrt3\cdot12=\boxed{480\sqrt3}\\\\Used:\\\\\sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\ for\ a\geq0\ and\ b\geq0\\\\(\sqrt{a})^2=a\ for\ a\geq0$

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4 years ago

Challenge Question Sally's bank account balance was $50 on Monday. On Tuesday, she bought a new pair of shoes for $45. On Thursd

Alex17521 [72]

Answer:

Step-by-step explanation:

After the shoe purchase, her balance was $50 -45 = $5.

After depositing her babysitting earnings, her balance was $5+25 = $30.

After buying pizza, her balance was $30 -42 = -$12.

<em>Assuming no overdraft charge</em>, her balance after depositing her earnings was ...

-$12 +20 = $8

Sally's balance on Sunday was $8.

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2 years ago

Go to brainly.in IT GIVE YOU BRAINLIEST FATER

Ivanshal [37]

Answer:

okay i will

Step-by-step explanation:

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3 years ago

Find the value of x so that (x,-4) is on the line given by -2x + 3y = 6.

lord [1]

Answer:

Step-by-step explanation:

-2x + 3y = 6.....(x, -4)...so y = -4

-2x + 3(-4) = 6

-2x - 12 = 6

-2x = 6 + 12

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x = -18/2

x = -9

so the value of x is -9.....(-9,-4)

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3 years ago

Money deposited $8000 into an account 6 years ago. The account earned simple interest at a yearly rate. So far the total interes

matrenka [14]

Answer:

2.5%

Step-by-step explanation:

interest = principal * rate * time

1200 = 8000r6

1200 = 48000r

r = 0.025

Rate for account is 2.5%

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4 years ago