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valentinak56 [21]
3 years ago
11

Create an equation modeling the scenario. Use the equation to solve for the missing number. In your final answer, include the eq

uation and all necessary calculations. Twice the sum of a number and seven is three times the number.
Mathematics
2 answers:
Pani-rosa [81]3 years ago
6 0

Answer:

ye mjfji

Step-by-step explanation:

Svetradugi [14.3K]3 years ago
5 0
I think it’s 2(x+7)=3x
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A table is 6feet long and 4feet wide. A table cloth covers the entire table and there is one foot of extra cloth hanging over ea
barxatty [35]

Answer:

28

Explanation:

area of the cloth on the table: 6*4= 24

area of the extra cloth: 4*1=4

4+24=28

5 0
2 years ago
Help ;-; Im almost overdue and I'n only on Q.13/24
jolli1 [7]

Answer: C (-7/18)

Step-by-step explanation: you flip the denominator and numerator and keep the negative

7 0
2 years ago
Read 2 more answers
Does anyone know what the formula for the area of a circle is?
Sloan [31]

Answer:

search up-area of circle formula and circumference of a circle formula

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Can someone please help me
Readme [11.4K]
Surface Area of the figure is 1208 square centimeters
a=20
b=13
c=12
d=5
e=8
Top face:
A1=a×e=20×8
ae=160
Bottom face:
A2(a+2d)×e=(20+2×5)×8=(20+10)×8=30×8
(a+2d)e=240
Front face:
Rectangle
a×c=20×12=240
Triangle:
12c×d=12×12×5=6×5=30
A3Rectangle +2 triangles
240+2×30=240+60=300
(a+d)c=300
Slant face:
A4=b×e=13×8=104
be=104
Total surface area
A=A1+A2+2(A3+A4)
A1=160
A2=240
A3=300
A4=104
Thus,
A=160+240+2(300+104)
A=400+2(404)
A=400+808=1208
Surface Area of the figure is 1208 square centimeters


8 0
3 years ago
Quadratics formula 4x^2+3x-1=0
VARVARA [1.3K]

Answer: X = 1/4 or X = -1

Step-by-step explanation:

4x2+3x−1=0

(4x−1)(x+1)=0

4x−1=0 or x+1=0

4x=1 or x=-1

Now divide 4 from both sides

like this 4x/4=1/4

now cancel out two 4's so the answer will be x=1/4

3 0
3 years ago
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