I'm not sure how to calculate 12.5% of £168 anyone that can help if so that'd be great!

Answers

Answer 1

Answer: percent means parts out of 100

12.5%=12.5/100=0.125

'of' means multiply

12.5% of 168 means
0.125 times 168=21

answer is 21

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Which of the following expressions is equal to tan245°?

Answers

Answer:

tan65°

Step-by-step explanation:

Tell me a number that is greater than 832,458 but less than 832,500

Answers

the answer is 832,459

Well, first we have to see how many numbers can go in-between those numbers.
So 832,458 - 832,500 = 42

So 42 numbers can go in-between that number here is all of them:

832,459
832,460
832,461
832,462
832,463
832,464
832,465
832,466
832,467
832,468
832,469
832,470
832,471
832,472
832,473
832,474
832,475
832,476
832,477
832,478
832,479
832,480
832,481
832,482
832,483
832,484
832,485
832,486
832,487
832,488
832,489
832,491
832,492
832,493
832,494
832,495
832,496
832,497
832,498
832,499

Hope I Helped You!!!

Factor the mn+5m-3n-15

Answers

Combine all of the like terms, then factor out

(n+5)(m-3) is what you should end up with

A factory worker packed 12 boxes at a constant rate, took a 30-minute break, and then continued packing the boxes at twice the rate before the break. The worker then spent `1/2` an hour cleaning the work area. Which of the following represents the domain for this situation?A. 4.5≤t≤24
B. 0≤t≤4.5
C. 0
D. 0≤b≤24

Answers

Answer:

A - 4.5<t<24

Step-by-step explanation:

Solve each questions by taking square roots1.k²=76
2.k²=16
3.x²=21
4.a²=40
5.x²+8=28
6.2n²=-144
7.-6m²=-414
8.7x²=-21
9.m²+7=88
10.-5x²=-500
11.-7n²=-448
12.-2k²=-162
13.x²-5=73
14.16n²=49

Answers

$1.\ k^2=76\n\nk=\pm√(76)\n\nk=\pm√(4\cdot19)\n\nk=\pm2√(19)\n-------------\n2.\ k^2=16\n\nk=\pm√(16)\n\nk=\pm4\n-------------\n$
$3.\ x^2=21\n\nx=\pm√(21)\n-------------\n4.\ a^2=40\n\na=\pm√(40)\n\na=\pm√(4\cdot10)\n\na=\pm2√(10)\n-------------\n5.\ x^2+8=28\ \ \ /-8\n\nx^2=20\n\nx=\pm√(20)\n\nx=\pm√(4\cdot5)\n\nx=\pm2\sqrt5\n-------------\n$
$6.\ 2n^2=-144\ \ \ \ /:2\n\nn^2=-72-no\ real\ solutions\n-------------\n7.\ -6m^2=-414\ \ \ \ /:(-6)\n\nm^2=69\n\nm=\pm√(69)\n-------------\n8.\ 7x^2=-21\ \ \ \ /:(-7)\n\nx^2=-3-no\ real\ solutions\n-------------\n$
$9.\ m^2+7=88\ \ \ \ /-7\n\nm^2=88-7\n\nm^2=81\n\nm=\pm√(81)\n\nm=\pm9\n-------------\n10.\ -5x^2=-500\ \ \ \ /:(_5)\n\nx^2=100\n\nx=\pm√(100)\n\nx=\pm10\n-------------\n$
$11.\ -7n^2=-448\ \ \ \ /:(-7)\n\nn^2=64\n\nn=\pm√(64)\n\nn=\pm8\n-------------\n12.\ -2k^2=-162\ \ \ \ /:(-2)\n\nk^2=81\n\nk=\pm√(81)\n\nk=\pm9\n-------------\n$
$13.\ x^2-5=73\ \ \ \ /+5\n\nx^2=78\n\nx=\pm√(78)\n-------------\n14.\ 16n^2=49\ \ \ \ /:16\n\nn^2=(49)/(16)\n\nn=\pm\sqrt(49)/(16)\n\nn=\pm(√(49))/(√(16))\n\nn=\pm(7)/(4)$

If point B is halfway between 0 and 1 on a number line and point A is halfway between 0 and point B, what fraction of 1 does point A represent?