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Olenka [21]
3 years ago
11

Hey I need help fast

Mathematics
2 answers:
Reika [66]3 years ago
8 0

Answer:

60ft^2

Step-by-step explanation:

Split the area into two large triangles, the right and the left.

The base for the triangle is 10ft+20ft =30ft and we know the height is 2.

Since A=bh*1/2, A = 30*2*1/2. This equals 30. since there are two of these large triangles and they are equal, just multiply the area by 30.

atroni [7]3 years ago
7 0

Answer:

60

Step-by-step explanation:

10×2=20÷2=10×2=20 goes for the two top ones

20×2=40÷2=20×2=40 goes for the two bottom ones

40+20=60 is the answer

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The side length s of a cube is 4x^2+3.if V=s^3, what is the volume of the the cube
Alexandra [31]
Volume of a cube = (side length)^3.

Here,

V = (4x^2 + 3)^3.  

If you wish, you could expand this using the rule for the cube of a binomial:

(a+b)^3 = a^3 + 3a^2*b + 3 a*b^2 + b^3.


6 0
3 years ago
What is the area of one of the triangular faces? —In.2
elena55 [62]

Answer:

6 inches squared

Step-by-step explanation:

The triangle is a right triangle. We can see this because it is attached a rectangle, which has angles of 90 degrees.

Now, notice that the hypotenuse is given as 5 inches and one of the legs is given as 3 inches. We can use the Pythagorean Theorem to find the third side: x = \sqrt{5^2-3^2} =\sqrt{25-9} =\sqrt{16} =4

The area of a triangle is A = (1/2) * b * h, where b is the base and h is the height perpendicular to the base. We know the base is 3, so b = 3, and we also see that the height is 4, so h = 4. Plugging these in:

A = (1/2) * b * h = (1/2) * 3 * 4 = 6

Thus, the area of one of the triangular faces is 6 inches squared.

Hope this helps!

4 0
3 years ago
Read 2 more answers
How many solutions does the equation (x-7)^2-27=37 have?
atroni [7]

Answer:

If we are solving for x it has<u> two answers</u> <u>   15,-1</u>

EXPLANATION:

first i take the root of both sides and then solve from there :

Step 1: Simplify both sides of the equation.

x2−14x+22=37

Step 2: Subtract 37 from both sides.

x2−14x+22−37=37−37

x2−14x−15=0

Step 3: Factor left side of equation.

(x+1)(x−15)=0

Step 4: Set factors equal to 0.

x+1=0 or x−15=0

x=−1 or x=15

HOPE THIS HELPS

x=−1 or x=15

6 0
3 years ago
Read 2 more answers
Michael owns a small business selling clothing. He knows that in the last week 39 customers paid cash, 30 customers used a debit
irina1246 [14]

Answer:

0.03

Step-by-step explanation:

!

7 0
3 years ago
Please answer this correctly without making mistakes
lys-0071 [83]

Answer:

13/19, since we are in a pattern in which the number is added by 2/19 each time 11/19+2/19 would equal to 13/19

4 0
3 years ago
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