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IgorC [24]
2 years ago
13

Evaluate: 8a+3b−10+c28a+3b−10+c 2 8, a, plus, 3, b, minus, 10, plus, c, squared when a=2a=2a, equals, 2, b=5b=5b, equals, 5, and

c=4c=4c, equals, 4.
Mathematics
2 answers:
prohojiy [21]2 years ago
8 0

Answer:

a+b+c=40

Step-by-step explanation:

Mumz [18]2 years ago
5 0
Answer is 40 I had this one
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The price of a necklace was reduced from $30 to $21. By what percentage was the price of the necklace reduced
grigory [225]

Answer:

= 30% decrease

3 0
2 years ago
What does it find the GCF of each set of numbers using prime at factorizstion
lozanna [386]
You use the factor tree.
               10
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3 0
2 years ago
Jon caught four fish that weighed a total of 252 pounds. The kingfish weighed twice as much as the amberjack and the white marli
Allushta [10]

Answer:

  • amberjack, 21 lbs
  • kingfish, 42 lbs
  • white marlin, 84 lbs
  • tarpon, 105 lbs

Step-by-step explanation:

Let k, a, m, t represent the weights of the kingfish, amberjack, marlin, and tarpon, respectively. The problem statement tells us ...

  • k = 2a
  • m = 2k
  • t = 5a
  • k + a + m + t = 252

Using substitution, we can rewrite the last equation as ...

... (2a) + (a) + 2(2a) + (5a) = 252

... 12a = 252 . . . . . collect terms

... a = 21 . . . . . . . . .divide by 12

Then k = 2a = 42; m = 2k = 84; t = 5a = 105.

8 0
2 years ago
What is the solution for x in the equation (-4(x+1)+7x=8)?
a_sh-v [17]
-4(x + 1) + 7x = 8
-4x - 4 + 7x = 8
3x - 4 = 8
3x = 8 + 4
3x = 12
x = 12/3
x = 4 <===
6 0
3 years ago
Help me plz help me plz ??
Oduvanchick [21]

Answer:

I just want points hahahaha

7 0
2 years ago
Read 2 more answers
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