2 years ago

Use the drop down menus to correctly complete the statement.

Mathematics

1 answer:

pshichka [43]2 years ago

8 0

For a quadrilateral to be a square, the diagonals must be congruent and must be perpendicular.

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By what percent will a fraction increase if its numerator is decreased by 30% and its denominator is decreased by 50%?

Alex Ar [27]

(X + .3X) / (X - 0.5X) = 1.3X/0.5X
1.3/0.5 = 2.6
2.6 x 100 = 260 %

6 0

3 years ago

Find the peremiter of triangle ABC

cricket20 [7]

Answer:

Step-by-step explanation:

if AB : BC : AC is 3 : 4 : 2 and BC = 8 then AB = 6 and AC = 4

To calculate the perimeter of the triangle we add all side lengths up

4 + 6 + 8 = 18

5 0

3 years ago

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Find the equation of the line passing through the points (2, 4) and (3, 2). y = [? ]x + [ ]

PtichkaEL [24]

Answer:

first find slope m

m=(4-2)/(2-3)

m= -2

so equation line is

y-y1=m(x-x1)

y-4=-2(x-2)

y-4=-2x+4

y=-2x+4+4

y=-2x+8

?=-2

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3 years ago

Solving the formula P = 2L + 2W for W is NOT equivalent to which equation?

emmasim [6.3K]

Answer:

3rd one

Step-by-step explanation:

2l + 2w = P

2w = P - 2l

w = P - 2l / 2

7 0

3 years ago

mrs_skeptik [129]

Answer:

x ≈ 43.3°

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos x = $\frac{adjacent}{hypotenuse}$ = $\frac{8}{11}$ , then

x = $cos^{-1}$ ( $\frac{8}{11}$ ) ≈ 43.3° ( to 1 dec. place )

8 0

3 years ago

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