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IceJOKER [234]
3 years ago
5

18 + X over 4 = 7 What is X?

Mathematics
1 answer:
Marizza181 [45]3 years ago
6 0

Answer:

-44

Step-by-step explanation:

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If triangle height was 3ft and the base was 24ft what be the area? WILL GIVE BRANLIEST
devlian [24]

Answer:

36

Step-by-step explanation:

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5 0
3 years ago
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What is the solution to<br> 4(2x– 3)= 2(3x+ 1)?<br><br><br> -5<br><br> 1<br><br> 7<br><br> 10
Paul [167]
4 (2x – 3)= 2( 3x + 1)
<span>(4 (2x – 3)= 2( 3x + 1)) </span>÷ 2
2 (2x – 3) = (3x + 1)
4x - 6 = 3x +1
-3x       -3x
__________
x - 6 = 1
   +6  +6
______
x = 7
8 0
3 years ago
Need Explanation For This Asap! &lt;3<br> 528 cm2<br> 538 cm2 <br> 558 cm2
blsea [12.9K]

Answer:

528 cm²

Step-by-step explanation:

The surface area of this prism comprises:

  • 2 congruent triangles (the bases of the prism)
  • 2 congruent rectangles (rectangle 1 and 2) - since the triangle has 2 sides of equal length
  • 1 rectangle (rectangle 3)

Area of a triangle = 1/2 × base × height

                             = 1/2 × 16 × 6

                             = 48 cm²

Area of rectangle 1 / 2 = width × length

                                     = 10 × 12

                                     = 120 cm²

Area of rectangle 3 = width × length

                                = 16 × 12

                                = 192 cm²

Total Surface Area = 2 triangles + 2 rectangles + rectangle 3

                                = (2 × 48) + (2 × 120) + 192

                                = 96 + 240 + 192

                                = 528 cm²

7 0
2 years ago
Read 2 more answers
A rectangle and a triangle have the same area, 72 . The height of the triangle is also the same as the width of the rectangle. T
emmasim [6.3K]

Answer:

Part 1) The height of triangle is h=8\ in

Part 2) The width of rectangle is W=8\ in

Step-by-step explanation:

step 1

Find the dimensions of triangle

The area of triangle is equal to

A=\frac{1}{2}bh

we have

b=18\ in

A=72\ in^{2}

substitute and solve for h

72=\frac{1}{2}(18)h

144=(18)h

h=144/18=8\ in

step 2

Find the missing dimension of rectangle

we have that

The height of the triangle is the same as the width of the rectangle

therefore

W=h=8\ in

6 0
3 years ago
Select all the expressions that are equivalent to 5x + 30x - 15x
Andrej [43]

Step-by-step explanation:

5(x+6x-3x)

(5+30-15)x

if you open the brackets, it will be 5x+30x-15x

7 0
3 years ago
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