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4 years ago

Please help anyone... Part b and c in the picture!

Mathematics

2 answers:

saul85 [17]4 years ago

8 0

For the 1st one, shade the entire 1st row of squares.

For the 2nd, shade the bottom right square.

KatRina [158]4 years ago

6 0

Answer:

b) shade the two boxes next to the one that is shaded

c) shade the 4 corners

Step-by-step explanation:

b) if one box shaded is 1/9, then having 3 shaded total is 3/9 which is 1/3 of total

c) You can shade the 4 corners (one is already shade for you)

This will create a vertical and horizontal line of symmetry in the middle

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Find the area of a quadrilateral wxyz with wx =24m, xy= 50m, yz = 40m, zw = 30m and diagonal being 50m

butalik [34]

Answer:

The area of the quadrilateral is 1,182.46 m2.

Step-by-step explanation:

In order to find the area of a quadrilateral WXYZ, with WX=24m, XY=50m, YZ=40m, ZW=30m and the diagonal being 50m, the following calculation has to be done:

X = 0,5 24 × 30 × sen 24 + 0,5 × 50 × 40 × sen 40

X = 1,182.46 m2

5 0

3 years ago

Point M is the midpoint of segment AB.<br> AM=3x+40 and MB=x^2. Find x and AB

Nina [5.8K]

$\text{Hello there! :)}$

$x = 8\\\\AB = 128 \text{ units}$

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

$\text{Since Point M is the midpoint of AB, then:}\\\\AM = MB\\\\$

$\text{Set the two equations equal to each other:}\\\\3x + 40 = x^{2} \\\\$

$\text{Move all terms over to one side to simplify more easily:}\\\\0 = x^{2} - 3x - 40$

$\text{Factor by finding numbers that sum up to -3 and multiply into -40:}\\\\0 = (x - 8)(x + 5)\\\\x = -5, 8$

$\text{The length of a segment cannot be negative, so choose the positive solution:}\\\\x = 8$

$\text{Substitute in this value of x into either AM or MB to solve for AB:}$

$AB = 2(MB)\\\\AB = 2(x^{2} )\\\\AB = 2(8^{2})\\ \\AB = 2(64)\\\\AB = 128 \text{ units}$

5 0

4 years ago

The scale on the architectural plans for a new house is 1 in. equals 4 ft. Find the length and width (in ft.) of a room that mea

artcher [175]

The scale on the architectural plans for a new house is 1 in. equals 4 ft. Find the length and width (in ft.) of a room that measures 5 in. by 8 in. on the drawing.

width _____ (smaller value)

length _____ (larger value)

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3 years ago

What is 1,864.29 - 375

kkurt [141]

Answer:

1489.29

Step-by-step explanation:

Ignore the decimals, and just subtract 375 from 1864. That gives you 1489. Put the decimal values back and you get your answer of 1489.29.

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3 years ago