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3 years ago

What is the relationship between the ratios?

Mathematics

1 answer:

Nonamiya [84]3 years ago

7 0

Not proportional because 2 times 32 is 64 not 72

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The angle bisector of ∠ACD in rhombus ABCD makes a 64° angle with the diagonal BD. Find the measure of ∠BAD.

saveliy_v [14]

The complete question in the attached figure

we know that
the diagonals of a rhombus intersect to form right angles,
so
angle ACE is ----------> (90°-64°)-----------> 26°
ACE is the angle bisector of ACD, this means that ACD is ---------> 26 x 2 = 52°

The diagonals are angle bisectors to the opposite corners
so
ACD = ACB = 52°
and
BCD = 52 x 2 = 104°
For a rhombus, opposite angles are equivalent,
so
BAD = BCD = 104°

the answer is
angle BAD=104°

3 0

3 years ago

Which phrase describes the pattern? 1, 3, 11, 123,...

Monica [59]

D) square the number and add 2

7 0

3 years ago

Read 2 more answers

Select the correct answer. What is the definition of csc θ ?

OleMash [197]

Answer:

A. csc θ=1/sinθ

Step-by-step explanation:

From SOHCAHTOA,

sine = opposite/ hypotenuse

Cos = adjacent / hypotenuse

Tan = opposite / adjacent

In a right angled triangle, the cosecant of an angle is the length of the hypotenuse divided by the length of the side opposite the angle. This is the inverse of sine , therefore:

Csc Ф = 1/ sinФ

8 0

3 years ago

Use the data table provided to calculated the values requested below. Provide all answers to three decimal places.

babymother [125]

Answer:

1) 0.700

2) 0.730

3) 0.030

4) 0.959

Step-by-step explanation:

1) proportion of support for the ban with at least one child =

$\frac{no of support atleast 1 child}{Total no of atleast 1 child\\}$

= $\frac{1739}{2485}$

= 0.700

2) proportion of support for the ban with no child =

= $\frac{no of support with no child}{Total of no child}$

= $\frac{3089}{4231}$

= 0.730

3) Difference in proportion of supporters for the ban between those with atleast one child and those with no child

= 0.700 - 0.730

= -0.03

4) Relative risk = $\frac{proportion with atleast on child}{proportion with no child}$

= $\frac{0.700}{0.730}$ = 0.959

5 0

3 years ago

The ratio of boys to girls in a school chorus is 6:3. If 1/2 of the boys and 1/3 of the girls wore hats in the performance, what

Nikitich [7]

6:3 boys to girls.
say for the sake of it, there are 60 boys and 30 girls.that makes 90 children.if 1/2 of the boys wore hats, then 30 boys wore hatsif 1/3 of the girls wore hats, then 10 girls wore hatsif 30 boys and 10 girls wore hats, then 40 children wore hatsif 40 children wore hats, then 40/90 children wore hats40/90 can be simplified to 4/94/9 children wore hats

5 0

3 years ago