2 years ago

One number is 2 more than another. the difference between their squares is 60 what are the numbers

Mathematics

1 answer:

weeeeeb [17]2 years ago

3 0

Expand (x+2)^2: x^2 + 4x + 4 : remember that (a+b)^2 = a^2 + 2ab + b^2
So: x^2 + 4x + 4 - x^2 = 60

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Laura has 30 cupcakes she wants to give each friend 1/6 of her cupcakes how many cupcakes will Each friend get

sdas [7]

Answer:

5 cupcakes

Step-by-step explanation:

=1x 30/ 6

I hope it helps

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3 years ago

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The double number line shows that 4 pounds of tomatoes cost $14. How much does it cost for 1 pound of tomatoes

Anton [14]

Answer:

3.5

Step-by-step explanation:

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2 years ago

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The owner of Sack of Suds paid his cashier $60 when he was actually owed only $42. What was the

OLga [1]

Answer: 42.9%

Step-by-step explanation:

Percent error is the difference between the measured and known value, which is divided by the known value, and then multiplied by 100%.

Percent error = (Estimated number- Actual number)/Actual Number × 100.

= (60 - 42)/42 × 100

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5 0

3 years ago

(e+3)(e-5) expanded and simplified

Zarrin [17]

Step-by-step explanation:

$(e + 3)(e - 5) \\ e \times e + e \times ( - 5) + e \times e + e \times 3 \\ { e}^{2} + ( - 5e) + {e}^{2} + 3e \\ {2e}^{2} + ( - 2e)$

In this type of math equation, you have to multiply all members from the first part with the second part.

Expanded:

$e \times e+e \times (-5)+e \times e+e \times 3$

simplified:

${2e}^{2} + ( - 2e)$

8 0

2 years ago

27-2(2w+1)=5w-2(5+w)

astra-53 [7]

27-2(2w+1)=5w-2(5+w)
27-4w-2=5w-10-2w
25-4w=3w-10
25=7w-10
35=7w
5=w
brainliest :)

8 0

3 years ago