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3 years ago

Angle BAC measures 56. What is the measure of angle BDC?

Mathematics

2 answers:

goldfiish [28.3K]3 years ago

4 0

Answer: Like the angles BAC (56°) and BDC has the same arc BC in the circumference, these angles must be congruent, then angle BDC must be equal to 56°.

bogdanovich [222]3 years ago

3 0

Answer:

its 56 sun

Step-by-step explanation:

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arlik [135]

Alrighty.
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4 years ago

A music company offers a loan to buy a drum set for $1500. The simple interest is 11.8% and the loan will be paid in equal month

Mrrafil [7]

Simple interest<span> is determined by multiplying the daily </span>interest<span> rate by the principal by the number of days that elapse between payments. It is expressed as:

I = Prt

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3 years ago

What is the answer?.....

Butoxors [25]

Answer:

Step-by-step explanation:

f(2) = 2^3 - 4(2)^2 = 8 - 4(4) = 8 - 16 = -8

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C is the answer

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3 years ago

The pumpkin festival is finally here! Ms Hooven bought two orange brownies and four pumpkin pies for a total of $25. Mr.Ziss bou

Degger [83]

Answer:

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Step-by-step explanation:

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3 years ago

In an arithmetic sequence, the sum of the 3rd and 8th term is 1. Given that the sum of the first seven terms is 35, determine th

Ann [662]

Answer:

<h3> first term: <u>a₁ = 14</u></h3><h3> the common difference: <u>d = -3</u></h3>

Step-by-step explanation:

The sum of the 3rd and 8th term is:

$a_3+a_8=1\\\\a_1+2d+a_1+7d=1\\\\\underline{2a_1+9d=1}$

The sum of the first seven terms is 35:

$S_7=35\\\\\dfrac{a_1+a_7}2\cdot7=35\\{}\qquad\quad^{\div7\qquad\div7}\\ \dfrac{a_1+a_1+d}2=5\\{}\qquad\qquad^{\cdot2\qquad\cdot2}\\2a_1+6d=10\\{}\qquad\ ^{\div2\qquad\div2}\\a_1+3d=5\\{}\quad\ ^{-3d\quad\ -3d}\\a_1=5-3d$

$2a_1+9d=1\\\\2(5-3d)+9d=1\\\\10-6d+9d=1\\{}\qquad\qquad^{-10\quad-10}\\{}\qquad3d=-9\\{}\qquad^{\div3\qquad\div3}\\{}\qquad d=-3\\\\\\a_1=5-3(-3)=5+9=14$

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3 years ago