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blagie [28]
3 years ago
7

Two and a half times the sum of nine and twelve

Mathematics
1 answer:
Jobisdone [24]3 years ago
4 0
2.5 × (9 + 12) = 52.5
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What is the value of x?
viktelen [127]

Answer:

x = 113

Step-by-step explanation:

The sum of the angles of a triangle are 180 degrees

37+54+ x-24 = 180

Combine like terms

67+x = 180

Subtract 67 from each side

67-67+x = 180-67

x =113

6 0
3 years ago
Find the surface area of regular prism with height 6 cm, if the base of the prism is a Regular quadrilateral with side 4 cm.
marshall27 [118]
A "regular quadrilateral" is a square, so the length and width are both 4 cm. The surface area of a rectangular prism is given by
  S = 2(LW +H(L +W))
  S = 2((4 cm)*(4 cm) +(6 cm)*(4 cm +4 cm))
  S = 2(16 cm² +48 cm²)
  S = 2*64 cm² = 128 cm²

The surface area of the prism is 128 cm².


6 0
3 years ago
Estimate the quotient: 1628 ÷ 8 answer choices<br><br> 168<br> 162<br> 160<br> 260<br> 106
slega [8]

Answer:

203.5 so you can pick 168 because it's closer to the answer

Step-by-step explanation:

5 0
3 years ago
Which ordered pair (x, y) is the solution to the given system of linear equations?
anygoal [31]

Answer:

(-1,0)

Step-by-step explanation:

3(-1)+3(0)=-3

-3+0=-3

-3=-3

-2(-1)+(0)=2

2+0=2

2=2

4 0
3 years ago
Help pls
maw [93]

Answer:

Step-by-step explanation:

6x+3 -6x =3

6x-6x= 3-3

0 = 0

4 0
3 years ago
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