3 years ago

Find the simplified form of the expression. Give your answer in scientific notation.

Mathematics

1 answer:

cricket20 [7]3 years ago

6 0

(450x(-450x I think

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How do you solve this? ASAP please help me. <br> a^2+2.1^2=2.9

ss7ja [257]

Convert decimal to fraction
a^2+(21/10)^2=2.9
Use exponent rules
a^2+441/100=2.9
Move constant to the right
a^2=2.9-441/100
Calculate
a^2=-151/100
This equation has no solution.

3 0

3 years ago

Can someone tell me if I’m right?

mestny [16]

You forgot to expand and simplify it... you only did step one, carry on your doing great 4 marks doesn’t come easy :)

8 0

3 years ago

Solve for x.

Leto [7]

Answer:

x < 4

Step-by-step explanation:

Step 1: Subtract 10 from both sides.

$-8x + 10 - 10 > -22 - 10$
$-8x > -32$

Step 2: Divide both sides by -8 and flip the inequality sign.

$\frac{-8x}{-8} > \frac{-32}{-8}$
$x < 4$

Therefore, the answer is x < 4.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

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2 years ago

Tell wether x and y show a proportional relationship.<br><br> x 1 2 3 4<br> y 4 8 12 16

Delicious77 [7]

Answer:

They do because y is always 4 times of x.

Step-by-step explanation:

7 0

3 years ago

Simplify: (x+4)*(2x+5

s344n2d4d5 [400]

Answer:

2x^2+13x+20 is the simplified answer

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3 years ago