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Alja [10]
3 years ago
6

25. Simplify the following expression. Question 25 please

Mathematics
2 answers:
PtichkaEL [24]3 years ago
6 0

I hope this helps you

bearhunter [10]3 years ago
3 0

Answer:

3  -√5

Step-by-step explanation:

(√5 + 1) / (2 + √5)

Multiply top and bottom of the fraction by the conjugate of 2 + √5 which is  2 - √5.

By doing this we rationalise the denominator:

= (√5 + 1 ) *  ( 2 - √5) /  (2 + √5)(2 - √5)

= (√5 + 1 ) *  ( 2 - √5)/ (4 - 2√5 + 2√5 - 5)

= (2√5 - 5 + 2 - √5) / (4 - 5)

= (√5 - 3) / -1

= 3  -√5

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If Kim has 45 stickers and her sister steals 20 of them how many stickers does Kim have left?
nirvana33 [79]

Answer:

No, Dolly won't have enough money to buy the bracelet.

Step-by-step explanation:

$30.00 - $25.00 = $5.00

$10.00 is more than $5.00

<em>hope this helps :)</em>

8 0
3 years ago
What is the radius, in centimeter, of a circle that has a circumference of 16π centimeters? A. 8 B. 16 C.32 D.6432 D
adelina 88 [10]

Answer:

A

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Olivia wants to walk 8000 steps today. She walked 45% of this total before lunch? How many steps did Olivia walk before lunch?
LiRa [457]

Answer:

3600 steps

Step-by-step explanation:

Step 1: Multiply 45 by 8000.

  • 45 * 8000
  • 360000

Step 2: Move the decimal point two places to the left.

  • 36000.0
  • 3600.00

Therefore, the answer is 3600 steps.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

4 0
3 years ago
Resuelve el siguiente problema de fracciones y escoge la alternativa correcta: Jaime compra una propiedad en 84000 dólares y des
Kryger [21]

Answer:

$21,000

Step-by-step explanation:

Solve the following fraction problem and choose the correct alternative: Jaime buys a property for $ 84,000 and after one year sells it earning 1/4 of the purchase price. How much was the profit? *

The amount of profit is calculated as

1/4 of the purchase price

Purchase price = $84,000

= 1/4 of $84,000

= 1/4 × $84,000

= $21,000

Therefore, the amount of the profit = $21,000

5 0
3 years ago
1. The lease common multiple of 3, 4, 6, and 8 is<br> OA. 8.<br> OB. 24.<br> O C.72.<br> OD.96.
almond37 [142]
The answer is ob.24
3 0
3 years ago
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