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2 years ago

I need help in my math homework

Mathematics

1 answer:

Anastaziya [24]2 years ago

4 0

Q19.Sunday equals 351 so that plus a hundred equals 451 plus 50 equals 501 so now we round it to closest number wensday at 506

q20.so Thursday and friday added equal 774

q21.Anna's report is 830 Joe's is 670 it would equal 160 more than Joe's so problem is 830 minus 670 equals 160 that is how much more Anna is than joe

q22.ok so week on equals 486 rounded equals 490 next week she got 254 rounded 250 she wanted to earn 545 so if we take 490 and add 50 equals 540 then add 200 and then it's 740 so we now know are answer is near that so I'm going to add them both now 486 plus 254 equals 740 ironically the exact same amount.

q23.ok so 972 minus 468 equals 504 that is how many inches he is bigger than the other one

if you need anymore help just let me know mate

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A sequence is constructed according to the following rule: its first term is 7, and each next term is one more than the sum of t

Iteru [2.4K]

Answer:

Step-by-step explanation:

According to the described rule, we have

$a_1=7\\ \\a_1^2=7^2=49\Rightarrow a_2=4+9+1=14\\ \\a_2^2=14^2=196\Rightarrow a_3=1+9+6+1=17\\ \\a_3^2=17^2=289\Rightarrow a_4=2+8+9+1=20\\ \\a_4^2=20^2=400\Rightarrow a_5=4+0+0+1=5\\ \\a_5^2=5^2=25\Rightarrow a_6=2+5+1=8\\ \\a_6^2=8^2=64\Rightarrow a_7=6+4+1=11\\ \\a_7^2=11^2=121\Rightarrow a_8=1+2+1+1=5\\ \\\text{and so on...}$

We can see the pattern

$a_5=a_8=a_{11}=a_{14}=...=5\\ \\a_6=a_9=a_{12}=a_{15}=...=8\\ \\a_7=a_{10}=a_{13}=a_{16}=...=11$

In other words, for all $k\ge 2$

$a_{3k-1}=5\\ \\a_{3k}=8\\ \\a_{3k+1}=11$

Now,

$a_{2018}=a_{3\cdot 673-1}=5$

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How to solve this problem

insens350 [35]

What’s da problem that u have?

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If the surface area of the box of cereal is 272 inches squared, find the length of the box.

LekaFEV [45]

Answer:

x= 8 inches

Step-by-step explanation:

you left out the other lengths but since i had this same question once, the other lengths are 12 and 2-

dimensions of the box:

12 in x 2 in x ?

=272 square inches

and we know that there are 6 faces

area= 2 *(12 * 2) + 2 *(2*x) + 2 *(12*x)

area = 272 sq. in. = 48 + 4x + 24x

272 = 48 + 28x

272 - 48 = 28x

224 = 28x

x = 8 inches

good luck :)

i hope this helps

brainliest would be highly appreciated

have a nice day!

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