Simplify: 2 1/2t+1 1/4t+5u–u

Mathematics

1 answer:

____ [38]2 years ago

8 0

Answer:

15t/4 + 4u

Step-by-step explanation:

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42 /48 in simplest form

zloy xaker [14]

First we need to find the GCF (greatest common factor)

Factors of 42 are:
1, 2, 3, 6, 7, 14, 21, 42

Factors of 48 are:
1, 2, 3, 4, 6, 8, 12, 16, 24, 48

GCF is 6

To simplify you divide numerator and denominator into the GCF

42 ÷ 6 = 7

48 ÷ 6 = 8

42/48 = 7/8

Hope this helps. :)

6 0

2 years ago

What else would need to be congruent to show that ABC = XYZ by ASA

andre [41]

Answer: Choice C.

Explanation: ASA stands for "angle side angle". To use ASA, we must have two pairs of congruent angles, as well as a pair of congruent sides. The sides must be between the angles in question

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2 years ago

Find the hourly wage if a $ 10.00 starting wage is increased by 2.5 % each year for 9 years.

djyliett [7]

10 * (1.025)^9 = 12,48

Maybe 12.49 depending on rounding.

6 0

2 years ago

Determine the solution set of x2 - 80 = 0. {± } {±4 } {±2 }

Ne4ueva [31]

Answer: $\Big\{\pm 4\sqrt{5} \Big\}$

This is the shorthand way of writing $\Big\{4\sqrt{5}, -4\sqrt{5} \Big\}$

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Work Shown:

$x^2 - 80 = 0\\\\x^2 = 80\\\\x = \pm\sqrt{80}\\\\x = \pm\sqrt{16*5}\\\\x = \pm\sqrt{16}*\sqrt{5}\\\\x = \pm4\sqrt{5}\\\\x = 4\sqrt{5} \ \text{ or } \ x = -4\sqrt{5}\\\\$

The plus or minus is needed because squaring a negative leads to a positive. As another example, x^2 = 25 has x = 5 and x = -5 as the two solutions. Note that x^2 = (-5)^2 = (-5)*(-5) = 25.

Also, note that the 80 was broken up into 16*5. This was done to simplify the square root. We pull out the largest factor that's a perfect square.

So that's how we get to the solution set $\Big\{\pm 4\sqrt{5} \Big\}$ . The curly braces tell the reader that they are dealing with a set.

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2 years ago

Solve the inequality below -3(11 + 6x) < -42 - 9x

GarryVolchara [31]

Answer:

$x>1$