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sukhopar [10]
2 years ago
10

What is the area of an equilateral triangle with sides of 10 inches and height of 7 inches? A. 70 sq. in. B. 35 sq. in. C. 20 sq

. in. D. 44 sq. in.
Mathematics
2 answers:
erastovalidia [21]2 years ago
8 0

Answer:

the correct answer is 35

Step-by-step explanation:


Ahat [919]2 years ago
5 0
We are given the sides of an equilateral triangle of 10 inches length of the sides and 7 inches as the height of the triangle. The area of the triangle is 0.5*b*h equal to 35 square inches. The answer is 35 square inches in this problem. 
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If THE equation of a circle is (x + 5)2 + (y - 7)2 = 36, it’s center point is
Kay [80]

Answer:

(-5,7) is the center

Step-by-step explanation:

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3 years ago
A factory sells backpacks for $40 each. The cost to make 1 backpack is $10.00. In addition to the costs of making backpacks, the
yKpoI14uk [10]

Answer:

x (40-10) -12000≥980

The factory must sell 433 backpacks to meet its weekly goal.

Hi, to answer this question we have to write an inequality.

So, since the backpacks (x) are sold by $40 and the cost of making one is $10, the revenue per bag is equal to 40x and the cost is 10x.

12,000 of operating expenses are also expenses.

So, for the profit:

Profit = revenue- cost

P = 40x-10x-12,000

P = x (40-10)-12000

The factory goal is to make a profit of at least $980 each week, so, the profit must be greater or equal than 980.

x (40-10) -12000≥980

Solving for x

30x-12000≥980

30x≥980+12000

30x ≥12980

x≥12980/30

x≥432.6

x≥433 (rounded, because if the sell 432 they will not meet the goal)

The factory must sell 433 backpacks to meet its weekly goal.

Step-by-step explanation:

4 0
3 years ago
Seth has 15 cans of regular soda and 20 cans of diet soda. He wants to create some identical refreshment tables that will operat
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The greatest number is 5. 3 cans of regular and 4 cans of diet. The most 15 can be divided by similarly to 20 is by 5.
8 0
2 years ago
3. Your friend has eight sweatshirts. Three sweatshirts are green, one is white, and
Sveta_85 [38]

Answer:

3/14

Step-by-step explanation:

P (B then B) = 4/8 x 3/7 or 1/2 x 3/7

6 0
2 years ago
Please help me <br><br>If 180°&lt;α&lt;270°, cos⁡ α=−8/17, what is sin -α?
rewona [7]

Starting from the fundamental trigonometric equation, we have

\cos^2(\alpha)+\sin^2(\alpha)=1 \iff \sin(\alpha)=\pm\sqrt{1-\cos^2(\alpha)}

Since 180, we know that the angle lies in the third quadrant, where both sine and cosine are negative. So, in this specific case, we have

\sin(\alpha)=-\sqrt{1-\cos^2(\alpha)}

Plugging the numbers, we have

\sin(\alpha)=-\sqrt{1-\dfrac{64}{289}}=-\sqrt{\dfrac{225}{289}}=-\dfrac{15}{17}

Now, just recall that

\sin(-\alpha)=-\sin(\alpha)

to deduce

\sin(-\alpha)=-\sin(\alpha)=-\left(-\dfrac{15}{17}\right)=\dfrac{15}{17}

6 0
3 years ago
Read 2 more answers
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