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Ierofanga [76]
3 years ago
12

Question #5: Find the area of the composite shape. 30 ft 20 ft

Mathematics
1 answer:
pentagon [3]3 years ago
8 0
350 because 25x10 is 250 and 20x5 is 100 so you add them and get 350
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4x - 7 = -3x<br><br> What is the answer?
soldi70 [24.7K]

Answer:

x = 1

Step-by-step explanation:

1. Add 3x to both sides of the problem

  • 4x + 3x - 7 = -3x + 3x
  • -3x + 3x cancels out and leaves us with zero
  • 7x - 7 = 0

2. Add 7 to both sides

  • 7x (- 7 + 7) = 0 + 7
  • -7 + 7 cancels out
  • 7x = 7

3. Divide both sides by 7

  • 7x/7 = 7/7
  • x = 1

To make sure our answer is correct we can plug in 1 to x in the problem

  • 4(1) - 7 = -3(1)
  • 4 - 7 = -3 : True
6 0
3 years ago
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Im really confused! How do i figure out this problem:
EleoNora [17]

<span><span>Okay, so let's start by setting up this problem:
</span>(original number=x)(percentage=.06)=(percentage of original number)</span>
So it should look like this:
<span>(x)(.06)=51 Now we should divide .06 from each side
</span><span>x=850 And there we go! 850 is the answer.
i hope this help
</span>

5 0
3 years ago
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NEED HELP NOW PLEASE HELP
NemiM [27]

Answer:

The answer is 1,980

Step-by-step explanation:

660*3= 1980

3 0
2 years ago
What dose 25.76 + 35.95=
den301095 [7]

Answer:

61.71

Step-by-step explanation:

3 0
2 years ago
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Please help...its for Delta math. will mark brainliest and I will be ur friend♥<br>​
REY [17]

The exponential functions change is represented by decay and the percentage rate of decrease is 1.00619%.

Step-by-step explanation:

Step 1:

To determine if the function represents growth or decay, we substitute values to x.

If the values increase with an increase of x, it represents growth.

If the values decrease with an increase of x, it represents decay.

Step 2:

If x= 10, y = 1,300 (\frac{1}{2})^{\frac{10}{69} }  =  1,300 (0.9044) = 1,175.72.

If x=11,y = 1,300 (\frac{1}{2})^{\frac{11}{69} }  =  1,300 (0.8953) = 1,163.89.

So as x increases the value of y decreases, so it represents decay.

Step 3:

The percentage rate of change is determined by dividing the difference of two consecutive values by the first value.

The percentage rate of change = \frac{y(x=11) - y(x=10)}{y(x=10)}.

Substituting the values, we get

The percentage rate of change =\frac{1,175.72-1,163.89}{1,175.72}(100) = 1.00619\%.

As the values of y decrease with an increase in x, it is the percent decrease per unit.

5 0
3 years ago
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