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aleksandrvk [35]
3 years ago
8

What is the value of x in the equation 4(2x + 10) = 0? −5 −7 5 7

Mathematics
2 answers:
Semenov [28]3 years ago
7 0
4(2x + 10)=0
8x + 40 = 0
8x = -40
x = -5
NeTakaya3 years ago
4 0

Answer:

-5

Step-by-step explanation:

To Solve x we can use the product rule and multiply 4 in the the brackets:

4*(2*x+10)=0

8*x+40=0

We can move the fourty to the right hand side of the equal sign and then simplify the equation by dividing the whole expression by 8:

8*x=-40

x=-40/8=-5

The value of x is -5

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The second bicycle would weigh 1.32142857143 pounds or rounded to 1.32.
You would find this by multiply 18.5 by 1/14
7 0
3 years ago
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A triangular prism is 17 yards long and has a triangular face with a base of 12 yards and a height of 8 yards. The other two sid
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Answer:

640 yard²

Step-by-step explanation:

From the question,

The surface are of a triangular prism is given as

A = bh+2ls+lb.................. Equation 1

Where A = Surface area of the triangular prism, b = base of of the triangular face, h = height of the triangular face, l = length of the triangular prism, s =  length of one of the other sides of the triangle

Given: l = 17 yards, b = 12 yards, h = 8 yards, s = 10 yards.

Substitute these values into equation 1

A = [(12×8)+(2×17×10)+(17×12)]

A = 96+340+204

A = 640 Yard²

6 0
3 years ago
A rectangle has a base of 5cm and a width of 6cm, what is its area in square centimeters?
dusya [7]

Answer:

area of rectangle is lb

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6 0
2 years ago
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Solve for X<br> Please walk me through the steps, I understand most of it I just forgot how to do it
nadya68 [22]

Answer:

x=8

Step-by-step explanation:

first you need to find the unknown corner so you do 180-71= 109

then find the interior angle degree (n-2)*180 (n=number of sides) so (4-2)*180=2(180)=360

then set everything equal to 360:

10x+6+13x-2+8x-1+109=360

(combine like terms)

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8 0
3 years ago
Need Help With This​
Harrizon [31]

Answer:

Area: 28 square ft

Perimeter: 22 ft

Step-by-step explanation:

To find the area:

A=Lw

A is area, L is length, w is width

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To find the perimeter:

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The perimeter is 22 feet.

Hope this helps!

8 0
3 years ago
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