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Wewaii [24]
2 years ago
13

ABC is an isosceles triangle with a perimeter

Mathematics
1 answer:
seraphim [82]2 years ago
4 0

Answer:

  • 27 cm

Step-by-step explanation:

<h3>Given</h3>
  • ABC is isosceles
  • The sides are, AB = 3x - 3, AC = 3x - 3 and BC = 2x
  • The perimeter is, P = 74 cm
<h3>Find the value of x first </h3>

Use the perimeter formula

  • P = a + b + c, where a, b and c are sides of the triangle

Substitute known values to get the equation

  • 3x - 3 + 3x - 3 + 2x = 74
  • 8x - 6 = 74
  • 8x = 80
  • x = 10
<h3>Find the sides</h3>
  • AB = AC = 3*10 - 3 = 27 cm
  • BC = 2*10 = 20 cm

As we see <u>the longest side is 27 cm</u>

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Calculate the first difference between 7, and where 7,-688. 2​
Nataly_w [17]

The difference between the numbers given is 6.882.

<h3>How to illustrate the information?</h3>

Based on the information given, it should be noted that difference means subtraction.

The difference between the numbers given will be:

= 7 - (7 - 6.882)

= 7 - 0.118

= 6.882

Learn more about difference on:

brainly.com/question/148825

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3 0
2 years ago
PLZ HELP ASAPP THANK YOUU!!!! ❤️❤️<br><br> Image ABOVE^^
Alekssandra [29.7K]

Answer:

15

Step-by-step explanation:

The range is the difference from the highest and the lowest number, 32 - 17 = 15. Hope this helps!

4 0
3 years ago
Q1.
Ann [662]

Answer:

0.000174

3.5841 x 10^7

4.67  x 10^6

Step-by-step explanation:

1.74 x 10^-4 as an ordinary number

As an ordinary number, the decimal point will be moved 4 times to the left due to the negative power

Hence 1.74 x 10^-4 as an ordinary number

= 0.000174

358.41 x 10^5 in a standard form

In standard form, only one number will be before the decimal point, the number of times the decimal point is moved (to ensure that only the first digit is before the point) is added to the power of ten. Hence

358.41 x 10^5 in a standard form

= 3.5841 x 10^5+2

= 3.5841 x 10^7

4 670 000 in a standard form

As done above, only one digit will be before the decimal

4 670 000 in a standard form

= 4.67  x 10^6

4 0
4 years ago
I have a hard time finding the x help
Ratling [72]
The volume of a triangular prism is V = 1/2lwh. So, in order to find x, plug in the values you know and solve:
576 =  \frac{1}{2}*8*8*x
1152 = 64x
x = 18
8 0
3 years ago
Read 2 more answers
During a certain week, the mean price of gasoline in the New England region was $3.796 per gallon. A random sample of 32 gas sta
Ymorist [56]

Answer: the probability that the mean price for the sample was between $3.781 and $3.811 that week is 0.94122

Step-by-step explanation:

Given that;

sample size n = 32

mean μ = $3.796

standard deviation σ = 0.045

P(3.781 < x" < 3.811) = ?

Standard Error S.E = σ/√n = 0.045/√32 = 0.007955

z value for 3.781, z = x-μ/S.E = (3.781-3.796)/0.007955 = -1.8856 ≈ -1.89

z value for 3.811, z = x-μ/S.E = (3.811-3.796)/0.007955 = 1.8856 ≈ 1.89

P(3.781 < x" < 3.811) = P( -1.89 < z < 1.89)

= P(z < 1.89) - P(z <  -1.89)    

from z-score table  

⇒ 0.9706 - 0.02938

⇒ 0.94122

Therefore the probability that the mean price for the sample was between $3.781 and $3.811 that week is 0.94122

6 0
3 years ago
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