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Reptile [31]
3 years ago
12

Mr. Burrows bought a

Mathematics
1 answer:
polet [3.4K]3 years ago
3 0
The answer that you are looking for is 2.39$ hope this helps
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I need an answer what is 1.03 ÷ (-10.3)=?
Sloan [31]
The answer is - \frac{1}{10}
To figure this out,  convert both numbers to fractions. 1.03 = 1\frac{3}{100} and (-10.3) = -10\frac{3}{10}. Now, convert to improper fractions. 
 1\frac{3}{100}  = [tex] \frac{103}{100}
-10\frac{3}{10} = - \frac{103}{10}
Now, divide. Dividing fractions is the same as multiplying by the reciporical. So:
-\frac{103}{10}  \ becomes\  \frac{10}{103}
\frac{103}{100} *- \frac{10}{103} =  -\frac{1030}{10300} = - \frac{1}{10}
5 0
3 years ago
Please help me how to multiply
Travka [436]
Use:(a-b)^2=a^2-2ab+b^2\\-------------------------------\\\\(9-6i)^2=9^2-2\cdot9\cdot6i+(6i)^2=81-108i+36i^2\\\\=81-108i+36(-1)=81-108i-36=45-108i\\\\-------------------------------\\\\i=\sqrt{-1}\to i^2=1
7 0
3 years ago
Read 2 more answers
a 3 dimensional figure has a square base and 4 lateral faces that meet at a point. Explain the difference between the cross sect
Kruka [31]

Answer:

a slice is made perpendicular to the base through the vertex: triangle

slice is made perpendicular to the base and not through the vertex: trapezoid

Step-by-step explanation:

a slice is made perpendicular to the base through the vertex: triangle

slice is made perpendicular to the base and not through the vertex: trapezoid

8 0
3 years ago
Write an equation for the line that goes through (-2,6) and is parallel to the line y=1/2x+9
katrin [286]

Answer:

y = 1/2x + 7

Step-by-step explanation:

Parallel lines have the same slope.

Therefore the new equation will have a slope(m) = 1/2

Substitute m = 1/2 and point (-2, 6) into y = mx + b to solve for "b"

y = mx + b

6 = 1/2(-2) + b

6 = -1 + b

7 = b

The new equation: y = mx + b

                                y = 1/2x + 7

7 0
3 years ago
The diameter of a circle is 26 millimeters. What is the circle's circumference?
Shkiper50 [21]

Step-by-step explanation: the answer for this question should be 81.64 because to find the circumference you need to know the circumference formulas which is  C=TT times d or          C= 2 times TT times r.

C= 3.14 times 26          C= 2 times 3.14 times 13

                                       C= 81.64

C= 81.64

so the answer is 81.64 for the circle's circumference so hopefully that is the correct answer and have a great day

                       

7 0
2 years ago
Read 2 more answers
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