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valentina_108 [34]
3 years ago
14

PLEASE HELP ME

Mathematics
1 answer:
Nitella [24]3 years ago
8 0

Answer: 136 units squared

Step-by-step explanation:

I will assume this is a rectangular prism since it isn't specified.

The surface area of a rectangular prism: SA = 2(lw+lh+wh).

Plugging in your dimensions: SA = 2(7*2 + 7*6 + 2*6) = 2(14+42+12) = 2(68) = 136 units squared.

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Please help will give brainliest
garri49 [273]

Answer:

b = 17

Step-by-step explanation:

For this triangle we have to

a=18.2\\B=62\°\\C=48\°

We want to find the length of b

We know that the sum of the internal angles of a triangle is 180 °

So

A + 62 +48=180\\\\A=180-62-48\\\\A=70\°

Now we use the sine theorem to find the length of b:

\frac{sin(A)}{a}=\frac{sin(B)}{b}=\frac{sin(C)}{c}

Then:

\frac{sin(A)}{a}=\frac{sin(B)}{b}\\\\b=\frac{sin(B)}{\frac{sin(A)}{a}}\\\\b=a*\frac{sin(B)}{sin(A)}\\\\b=(18.2)\frac{sin(62)}{sin(70)}\\\\b=17

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3 years ago
What is the next number in the sequence 9....3....1....1/3?
VladimirAG [237]
9 divided by 3 = 3   3divided by 3 = 1   1 divided by 3 = 1/3  so 1/3 divided by 3=1/9
7 0
3 years ago
Read 2 more answers
How Do You Write .0676767 In Scientific Notation?
evablogger [386]
<span>6.8 x 10^-2

The scientific notation of 70, 030, 000. To find the scientific notation of this value </span><span><span>
1.  </span>We first move the period which separates the whole number from the decimal number which is located after the numbers of the given value.</span> 
<span><span>2.  </span>We move it in the very recent order number which is seventy million, seven and zero.</span> <span><span>
3.  </span>It becomes 7.003</span>
<span><span>4.  </span>Thus we count how many moves we did from the tens to the ten million order place.</span> <span><span>
5.  </span>7.003 x 10^7<span>
</span></span>
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Question 15 of 20
grandymaker [24]

Answer: 3 inches

Step-by-step explanation:

4 0
2 years ago
(6x+12y)(x+2y+5)−(6y+3x)(2x+4y)−30(x−2y)
Dmitry [639]

Step-by-step explanation:

6x + 120y + 6x2

Final answer

5 0
3 years ago
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