3 years ago

-18x+2x-15x+23x-12x-4x Combine like terms

Mathematics

2 answers:

Helga [31]3 years ago

4 0

Combine like terms =75x

Natasha_Volkova [10]3 years ago

3 0

Answer:

-24x

Step-by-step explanation:

Combining them all leads you to get -24x.

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when making a peanut butter and jelly sandwich, 96% of people put the peanut butter on first. write 96% as a decimal.

ikadub [295]

Drop the percent sign so that you only have 96 then divide by 100 to get the decimal (or move the decimal place to the left two).

96% --- drop the percent
96 ----- move the decimal place over to or divide by 100

96/100
96.0

.96

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3 years ago

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Prove algebraically that (m + 2)2 – m 2 – 12 is always a multiple of 4

Julli [10]

Answer:

$(m + 2)^{2} - m^{2} - 12 = 4(m - 2)$

Step-by-step explanation:

Step 1:

Write the expression

$(m+2)^{2} - m^{2} - 12$

Step 2: Expand $(m + 2)^{2}$

$(m+2)^{2} - m^{2} - 12\\(m+2)(m+2) - m^{2} - 12\\m^{2} + 2m + 2m + 4 - m^{2} - 12$

Step 3: Collect similar terms

$m^{2} - m^{2} + 4m + 4 - 12\\4m - 8$

Step 4: Factor 4 out of the expression to prove that the expression is a multiple of 4.

$Therefore\\4m - 8 = 4(m - 2)\\Hence,\\(m+2)^{2} - m^{2} - 12 is a multiply of 4 because the expression is equal to 4(m-2)$

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2 years ago

Write 7/20 as a percent.<br><br> By what factor should you multiply the denominator and numerator?

levacccp [35]

Answer:

35%

Step-by-step explanation:

Use photomath it tells you everything.

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3 years ago

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Which is a factor of each term of the polynomial? <br><br> (3d2 – 10d)

diamong [38]

D is common in both polynomials

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Each wheel on a car has a diameter of 22 inches.

ch4aika [34]

I think it will be 69.08

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