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Vikentia [17]
2 years ago
6

Gor is running a bakery. He has made a street sign to direct people to his

Mathematics
1 answer:
lys-0071 [83]2 years ago
7 0

Answer:

B.

Step-by-step explanation:

The street sign is composed of two rectangles and 1 triangle.

Painted area = area of triangle + area of rectangle 1 + area of square

✔️Area of triangle = ½bh

b = 15 in.

h = 8 in.

Area of triangle = ½*15*8 = 60 in.²

✔️Area of rectangle 1 = L*W

L = 50 in.

W = 6 in.

Area = 50*6 = 300 in.²

✔️Area of Square = s²

s = 15 in.

Area = 15² = 255 in.²

✅Painted area = 60 + 300 + 225 = 585 in.²

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Please help and explain step by step​
Mila [183]

Answer:

92 cm

Step by step explanation:

first: you divide the rectangle into two right angled triangles using the diagonal

secondly:

you use pythagoras theorem to find the width of the rectangle

110²= 60²+ w²

w²= 110²- 60²

w²= 12100- 3600

w²= 8500

w= 92.195

w= 92 cm

6 0
3 years ago
Find the proportion of heights that are within 1 standard deviation of the sample mean and also the proportion that are within 2
Bess [88]
For a normal distribution <em>only, </em>for a population, not for particular sample.

proportion between 1 standard deviation, independent of &mu; and &sigma; , is given by:
P(Z<1)-P(Z<-1)
=0.841345-0.158655=0.682689
=0.68  (to two places of decimal)

proportion between 2 standard deviations, independent of &mu; and &sigma; , is given by:
P(Z<2)-P(Z<-2)
=0.977250-0.022750=0.954500=0.95  (to two places of decimal)
8 0
3 years ago
? ÷ 100,000 = 4.3976<br> ? ÷ 100,000 = 439.76<br> ? ÷ 100,000 = 4,397.6<br> ? ÷ 100,000 = 439,760
Olin [163]

Answer:

1 = 439,760

2= 43,976,000

3= 439,760,000

4= 43,976,000,000

Step-by-step explanation:

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4 0
2 years ago
Simplify the expression 6(y - 2)
yuradex [85]

Answer:

6y-12

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
30 Points!!
neonofarm [45]

Answer:

  multiply the left side of the constant vector by the inverse matrix

Step-by-step explanation:

The matrix equation ...

  AX = B

is solved by left-multiplying by the inverse of A:

  A⁻¹AX = A⁻¹B

  IX = A⁻¹B . . . . . the result of multiplying A⁻¹A is the identity matrix

  X = A⁻¹B . . . . . B needs to be multiplied by the inverse matrix

\left[\begin{array}{c}x&y\end{array}\right] = \left[\begin{array}{cc}-4&1\\3&2\end{array}\right]^{-1}\left[\begin{array}{c}9&7\end{array}\right]=\dfrac{1}{11}\left[\begin{array}{cc}-2&1\\3&4\end{array}\right]\left[\begin{array}{c}9&7\end{array}\right]=\left[\begin{array}{c}-1&5\end{array}\right]

4 0
3 years ago
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