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Mumz [18]
3 years ago
14

Can you please help?????

Mathematics
2 answers:
Marianna [84]3 years ago
7 0

Answer:here use

Step-by-step explanation:

scZoUnD [109]3 years ago
4 0

Answer: you lost me on this one mate

Step-by-step explanation: A is 5 prob.  b is 13?

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Find the area of this triangle, round to the nearest tenth, I will give brainliest
Setler79 [48]

Answer:

59.15 in^2

Step-by-step explanation:

Using Heron's formula

semiperimeter , s = 1/2 ( 28.8+18+12) = 29.4

Area = sqrt ( 29.4(29.4-28.8)(29.4-18)(29.4-12) ) = 59.15 in^2

4 0
1 year ago
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The ball park is selling a hamburger combo. At the end of the day, they collected $103.95. If a total of 21 hamburger combos wer
Evgesh-ka [11]

Answer:

Each combo costed $4.95

Step-by-step explanation:

To solve, simply divide 103.95 by 21, and then put a dollar sign. (Most teachers would count no dollar sign as incorrect/points off, so don't forget it!)

103.95 ÷ 21 = 4.95 → $4.95

<em>Hope this helps!</em>

5 0
3 years ago
31 - 8a = 5 ( - 4 - 5a )
timama [110]

Answer:

Step-by-step explanation:

31 - 8a = 5(-4 - 5a)

First, on the right-hand side of the equation, let's distribute the 5 to each term in the parenthesis:

31 - 8a = -20 - 25a

Now, let's move all the terms with an a to the left-hand side, and everything else to the right-hand side of the equation:

-8a + 25a = -20 - 31

Let's combine like terms:

17a = -51

Finally, let's divide each side by 17 to get a by itself on the left-hand side of the equation:

a = -3

4 0
3 years ago
Find the average.<br><br> 11,16,15,22<br><br> A.64<br> B.15<br> C.17<br> D.16
Artemon [7]
Your answer is D)16. To find the average, add up all the numbers and divivde by the number of numbers there is
7 0
3 years ago
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Which one is this answer if you are good a math
Alex73 [517]

a=\dfrac{2d}{t^2}\ \ \ \ \ |\text{solve for t} \\ \\\\\dfrac{2d}{t^2}=\dfrac{a}{1}\ \ \ \ \ |\text{cross multiply}\\\\at^2=2d\ \ \ \ \ |:a\\\\t^2=\dfrac{2d}{a}\to t=\sqrt{\dfrac{2d}{a}}\\\\\text{We have}\\ \\a=2\dfrac{m}{s^2},\ d=10m\\\\\text{substitute}\\\\t=\sqrt{\dfrac{2\cdot10m}{2\frac{m}{s^2}}}=\sqrt{10m\cdot\dfrac{s^2}{m}}=\sqrt{10s^2}=\sqrt{10}\ s\\\\Answer:\ C.\ \sqrt{10}\ seconds

4 0
3 years ago
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