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3 years ago

If you can answer both of these i'll give brainliest

Mathematics

2 answers:

DochEvi [55]3 years ago

8 0

I’m pretty sure it’s:
Y=60/2x +20
Y=-10x + 60
Hope I could help!

Anna35 [415]3 years ago

3 0

Answer:

1. 30x + 20

2. -10x + 60

Step-by-step explanation:

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What is the measure of arc bc? A. 76 B. 40 C. 96 D. 58

Veseljchak [2.6K]

Answer:

A. 76

Step-by-step explanation:

Angle A is half the difference between the measures of arc DE and BC.

m∠A = (1/2)(DE -BC)

20 = (1/2)(116 -BC) . . . . substitute the given values

40 = 116 -BC . . . . . . . . multiply by 2

BC = 116 -40 . . . . . . . . add BC -40

BC = 76

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Comment on intersecting secants

When the secants intersect inside the circle, the angle where they cross is half the sum of the intercepted arcs. When they intersect outside the circle (as here), the angle where they meet is half the difference of the intercepted acs.

Sometimes it is easier to remember two related relationships than it is to remember just one of them.

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3 years ago

A parallelogram has sides of length 16 units and 10 units. The shorter diagonal is 11 units. Find the measure of the longer diag

lord [1]

The measure of the longer diagonal is 24.31 units

<h3>How to determine the longer diagonal?</h3>

The side lengths are given as;

a = 16

b = 10

The shorter diagonal is represented as d1, and it is given as

d1 = 11

The longer diagonal is represented as d2, and it is calculated using

d1^2 + d2^2 = 2 * (a^2 + b^2)

Substitute the known values in the above equation

11^2 + d2^2 = 2 * (16^2 + 10^2)

Evaluate the sum

121 + d2^2 =2 * 356

Evaluate the product

121 + d2^2 = 712

Subtract 121 from both sides

d2^2 = 591

Take the square root of both sides

d2 = 24.31

Hence, the measure of the longer diagonal is 24.31 units

Read more about parallelograms at:

brainly.com/question/970600

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2 years ago

A salesman sells between 15 and 25 cars per month. What is the best estimate of the number of cars he will sell in a year? Show

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Answer:

240 cars

Step-by-step explanation:

The salesman sells 15 to 25 cars per month. Average number of cars sold per month would be = $(15+25)/2 = 20$ cars per month

one year has 12 months

Number of cars sold in an year = monthly rate x no. of months

= 20 x 12

= 240 cars

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3 years ago

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Answer:

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