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Artemon [7]
3 years ago
13

If x = 45, y = 63, and the measure of AC = 4 units, what is the difference in length between segments AB and AD? Round your answ

er to the nearest hundredth. triangles ABC and ADC in which angle C is a right angle, point D is on segment BC between points B and C, the measure of angle ABD is x degrees, and the measure of angle ADC is y degrees 0.74 units 1.17 units 1.64 units 2.14 units

Mathematics
1 answer:
Alexandra [31]3 years ago
4 0

Answer:

1.17 units

Step-by-step explanation:

Given :

If x = 45, y = 63, and the measure of AC = 4 units, what is the difference in length between segments AB and AD?

x= 45° ; y = 63° AC = 4 units

From trigonometry,

Taking triangle ADC;

sinθ = opposite / Hypotenus

Sin63° = 4 / AD

AD = 4 / 0.891 = 4.489 units

From triangle ABC;

sin45° = 4 / AB

AB = 4 / 0.7071

AB = 5.656 units

Difference = (5.657 - 4.489) units

= 1.167 units

= 1.17 units (nearest hundredth)

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We have an equation: ?/12= 1/4

Cross multiply:
4*?= 1*12
⇒ ?= 1*12/4= 3

3 of Charlotte's T-shirts are green~
7 0
3 years ago
Sam is hired for a 20-day period. On days that he works, he earns $60. For each day that he does not work, $30 is subtracted fro
Alenkinab [10]

Answer:

He did not work for 6 days

Step-by-step explanation:

Sam is hired for a 20-day period.

Let x be the no. of days he did not work

So, No. of days he worked = 20-x

he earns per working day = $60

So, he earns for (20-x) days = 60(20-x)

For each day that he does not work, $30 is subtracted from his earnings.

So, Amount deducted for x days = 30x

So, His earning for 20 days =60(20-x)-30x

We are given that At the end of the 20-day period, he received $660

So, 60(20-x)-30x=660

1200-60x-30x=660

1200-90x=660

1200-660=90x

540=90x

\frac{540}{90}=x

6=x

So, he did not work for 6 days

So, Option C is true

5 0
3 years ago
How to solve and answer, pls and thx​
pickupchik [31]

Answer:

D

Step-by-step explanation:

first of all we need to solve the inequalities

3-x\geq 2\\\\3-x+x\geq 2+x\\\\3\geq2+x \\\\3-2\geq 2-2+x\\\\1\geq x\\\\x\leq 1 (-∞,1] or ]-∞,1]

the second inequality is

4x+2\geq 10\\\\4x+2-2\geq 10-2\\\\4x\geq 8\\\\\frac{4x}{4}\geq  \frac{8}{4} \\\\x\geq 2 [2,∞) or [2,∞[

so the answer is D

8 0
3 years ago
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Answer:

slope should be 1.50x and your y-intercept should be 7.50

Step-by-step explanation:

5 0
3 years ago
The u.s. senate consists of 100 members, 2 from each state. A committee of five senators is formed. What is probability it conta
shtirl [24]

Answer:

The probability is 9.80%.

Step-by-step explanation:

The u.s. senate consists of 100 members, 2 from each state.

A committee of five senators is formed.

P(at least one from Your state) = 1- \frac{98c5}{100c5}

= 1- \frac{67910864}{75287520}

= 1-0.9020

= 0.098

That is, 9.80%.

4 0
3 years ago
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