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3 years ago

Tommy is 23 years younger than his father. together their ages total up to 45 years. howl old are Tommy and his father?

1 answer:

7 0

The answer is 45 total.

So Tommy is 22 years old while his Father is 45.

45 years of age total, tommy is 23 years younger so 45 - 23 = 22 so tommy is 22 while his father is 45.

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Find the missing side of this right triangle.

Alborosie

Answer:

Step-by-step explanation:

it's a 5,12,13 triangle

and we can find the sides by Pythagorean theorem:

a^2 + b^2 = root of c

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root of 169 = 13

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2 years ago

Rationalise the denominator by 6 root 7 minus 1

nikklg [1K]

Answer:

Assuming the numerator was 1.

$(6\sqrt{7}+1)/251$

Step-by-step explanation:

Assuming the numerator was 1.

$1/(6\sqrt{7} -1)\\ (6\sqrt{7}+1)/((6\sqrt{7} - 1)(6\sqrt{7} + 1))\\ (6\sqrt{7}+1)/((6\sqrt{7})^2 + 6\sqrt{7} - 7\sqrt{7} - 1)\\(6\sqrt{7}+1)/((6\sqrt{7})^2 - 1)\\(6\sqrt{7}+1)/((36*7 - 1)\\(6\sqrt{7}+1)/251$

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2 years ago

X + 5 ≤ 13 what's the answer for this question?

wariber [46]

Answer:

Inequality Form: x ≤ 8

Interval Notation: (-∞,8]

Step-by-step explanation:

x + 5 ≤ 13

Subtract 5 on both sides...

13 - 5 = 8

You're left with x ≤ 8

Inequality Form: x ≤ 8

Interval Notation: (-∞,8]

6 0

3 years ago

2/3 (greater than less than or equal) 8/12

NemiM [27]

2/3 = 8/12
reason:
2/3 * 4/4

5 0

3 years ago

Use the image below and find the missing angles

Colt1911 [192]

Step-by-step explanation:

w = 34° (alternate interior angles)

x = 34° (vertically opposite angles)

y = 101°

z = 79° (corresponding angles)

7 0

3 years ago