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Paraphin [41]
3 years ago
5

7. Brad Studied to the total of 24.4 hours over a period of four days. On average, how many hours did Brad study each day?

Mathematics
1 answer:
just olya [345]3 years ago
8 0
24.4 x 4 = 97.6. He studied 97.6 hours.

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The value of x in the expression<br> 2x/3 - 7 = 5 is
Andrej [43]

Answer:

The answer is X = 18

Step-by-step explanation:

2x/3 - 7 = 5

Multiply both sides if the equation by 3 : 2x - 21 = 15

Move the constant to the right hand side and change its sign : 2x = 15 + 21

Calculate 2x = 15 + 21

2x = 36

Divide both sides of the eqaution by 2 : 2x = 36

x = 18

Answer X = 18

3 0
3 years ago
If f(n) = n2 - n, then f(-4) is _____.<br> -20<br> 20<br> 12<br> -12
kolbaska11 [484]
<span>The correct option is "20" because

f(n)=<span>n2</span>−n
(−4)=(−4<span>)2</span>−(−4)
      =16+4
      =20</span>
8 0
2 years ago
Read 2 more answers
Quick algebra 1 question for 50 points!
Naddika [18.5K]

The line is parallel to y axis

We know that if a line is parallel to y axis

  • slope=tan90=undefined

So there is no slope

Here it has constant x value as -2

So the equation is

  • x=-2

Option A

7 0
2 years ago
Read 2 more answers
Anyone know the answer?
uysha [10]
AB = CB
Because they are congruent
Therefore CB = 5.9
Given perimeter = 17
CB+BE+ED+DC = 17
5.9 + BE + 2.8 + 5.6 = 17
BE + 14.3 = 17
BE = 17 - 14.3
= 2.7
Hope I helped
If I did please give brainlest answer
Thanks
8 0
3 years ago
The diagram below shows a sign that Annie designed. It is made of two circles that share the same center. Annie wants to use str
Pavel [41]

132 in

Step-by-step explanation:

  • Take the total radius = 18+3 = 21= R (say)
  • Simply use the formula for the circumference i.e. 2*pi*R
  • 2*22/7*21= 132
3 0
2 years ago
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