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klio [65]
3 years ago
5

X-1=sqrt 6x+10 please help me!

Mathematics
1 answer:
seropon [69]3 years ago
7 0
Squaring both sides we get,x^2-2x+1=6x+10,,,x^2-8x-9=0.factoring by middle term breaking, x^2--9x+x-9=0,(x+1)(x-9)=0,x=-1,9
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Jacob needs to collect at least 120 cans for a food drive to earn community service credit. He has already collected 64 items.
dalvyx [7]

An inequality that represent  the number of cans, c, that Jacob must still collect is  c\geq 56 .

<u>Step-by-step explanation:</u>

Here we have , Jacob needs to collect at least 120 cans for a food drive to earn community service credit. He has already collected 64 items.  We need to solve the following :

<u>Part A: </u>

Write and solve an inequality to represent the number of cans, c, that Jacob must still collect.

Jacob has collected 64 cans . Jacob need to collect at least 120 cans for a food drive to earn community service credit , Let Number of cans that Jacob have to collect is c , So following is the inequality for above scenario:

⇒ c+64\geq 120

⇒ (c+64)-64\geq 120-64

⇒ c\geq 56

Therefore , An inequality that represent  the number of cans, c, that Jacob must still collect is  c\geq 56 .

8 0
4 years ago
I need help on this one!!
Vedmedyk [2.9K]

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Then the time for each blink t = 900/85

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6 0
3 years ago
Read 2 more answers
when a 6-foot tall fence post castes a 10 foot shadow, a pine tree castes a 45 foot shadow how tall is the tree
ipn [44]

Answer:

27 FEET TALL

Step-by-step explanation:

If a 6 foot fence casts a 10 foot shadow then you need to find the ratio 6/10. (This is my method) Now you are trying to find the numerator for  X/45.. you need to find what number equals .6 you can use Symbolab as a calculator I typed 6/10 = X/45 and I got 27.

4 0
3 years ago
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Shtirlitz [24]

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Step-by-step explanation:

2 + 7 < 10

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6 0
3 years ago
Multiply. Check for reasonableness.
telo118 [61]

Answer:

I need some help with this!

7 0
3 years ago
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