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3 years ago

Which is a perfect square?

Mathematics

2 answers:

Leni [432]3 years ago

7 0

Answer:

I believe it's 6^2.

Step-by-step explanation: 6^2 is the same as 6 times 6. Here's a tip, if you see a 2 as an exponent, you can also say x squared. X to the power of 2 is the same as x squared.

Lena [83]3 years ago

5 0

Answer:

$6^{2}$

Step-by-step explanation:

$6^{1}$ = 6 $\sqrt{6}$ = 2.45 (NOT a perfect square)

$6^{2}$ = 36 $\sqrt{36}$ = 6 (perfect square)

$6^{3}$ = 216 $\sqrt{216}$ = 14.7 (NOT a perfect square)

$6^{5}$ = 7776 $\sqrt{7776}$ = 88.18 (NOT a perfect square)

If the answer ends with a decimal, they are not perfect squares.

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In this diagram, which equation could you prove to be true in order to conclude that the lines are parallel?

Y_Kistochka [10]

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3 years ago

Read 2 more answers

Marcus monthly salary is $1,500 plus 10% of sales. How much could Marcus earn per month with salary and 9% sales? Please explain

sergejj [24]

If Marcus monthly salary is $1,500 plus 10% of sale, then he could earn 1500 + 0.09x per month with salary and 9% sales

Monthly salary of Marcus = $1500

The percentage incentives for sales = 10%

If the percentage of incentive for sales is 9 %

Consider the amount of sales is $x

Therefore the monthly salary of Marcus = Monthly salary of Marcus + (The amount of sales × 9/100)

Substitute the values in the equation

The monthly salary of Marcus = 1500 + (x×9/100)

Divide the numbers in the equation

= 1500 + (x × 0.09)

Multiply the numbers the numbers

= 1500 + 0.09x

Therefore, the monthly salary of Marcus will be 1500 + 0.09x

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1 year ago

3.2g of sugar is needed to make 8 cakes. How much sugar is needed for 12 cakes?

4vir4ik [10]

3.2s:8c

4.8s:12c

Therefore, you would need 4.8g of sugar to make 12 cakes. This was solved by using ratios.

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3 years ago

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Can someone please help me with this trigonometry problem. I would highly appreciate it if you did

dexar [7]

Answer:

x ≈ 16.52

Step-by-step explanation:

Use the tangent ratio in the right triangle to find x

tan36° = $\frac{opposite}{adjacent}$ = $\frac{12}{x}$

Multiply both sides by x

x × tan36° = 12 ( divide both sides by tan36° )

x = 12 / tan36° ≈ 16.52 ( to 2 dec. places )

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3 years ago

The equation x^2+ (k - 3)x + (3 - 2k) = 0, where k is a constant, has two distinct real roots.

Lisa [10]

Step-by-step explanation:

For quadratic equation ax^2 + bx + c = 0 to have two distinct real roots,

b^2 - 4ac must be positive.

b^2 - 4ac > 0

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k^2 - 6k + 9 - 12 + 8k > 0

k^2 + 2k - 3 > 0

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3 years ago