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2 years ago

HELP!!! Need Help With Homework!

Mathematics

1 answer:

Airida [17]2 years ago

3 0

Answer:

<1 and <2

<5 and<6

<4 and <2

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Which choice shows the following fractions with a common denominator? 3/4 and 5/6

Roman55 [17]

Answer:

9/12 and 10/12

Step-by-step explanation:

The LCD is the smallest number divisible by both 4 and 6, and that is 12.

Thus, 3/4 and 5/6 are equivalent to 9/12 and 10/12 .

Next time, kindly share the answer choices. Thank you.

4 0

2 years ago

Find f(k - 1) when f(x) = 5x^2+ 4x – 5.

bekas [8.4K]

Plug in $k-1$ to each $x$ in the function.

$f(k-1)=5(k-1)^2+4(k-1)-5$

$f(k-1)=5(k^2-2k+1)+4k-4-5$

$f(k-1)=5k^2-10k+5+4k-4-5$

$f(k-1)=5k^2-6k-4$

Hope this helps.

頑張って!

5 0

2 years ago

A man earns 12,000 per year, 10% of it was spent on transport while 5% of the salary went as tax. He spent 80% of the remainder

weqwewe [10]

Answer:

Amount left = 2040

Step-by-step explanation:

Given that:

Per year salary = 12,000

Amount spent on transport = 10%

Transport = $\frac{10}{100}*12000$ = 0.1 * 12000

Transport = 1200

Tax = 5%

Tax = 0.05 * 12000

Tax = 600

Total = 1200 + 600 = 1800

Amount left = 12000 - 1800 = 10200

Food = 80% of remainder

Food = 0.8 * 10200

Food = 8160

Amount left after food = 10200 - 8160 = 2040

Hence,

Amount left = 2040

3 0

2 years ago

The diagram shows a square with side length 5cm.

arsen [322]

Answer:

5sqrt2

Step-by-step explanation:

Using the pythagorean theorem, we get 5^2+5^2=c^2. C is the diagonal here. 25+25=c^2, c^2=50. c=sqrt50. Simplifying it, we get the diagonal as 5sqrt2.

8 0

2 years ago

F(x) = x2 +1<br> g(x) = 5-X<br> (f+g)(x) =

Darina [25.2K]

Answer:

8762

Step-by-step explanation:

5 0

2 years ago