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babymother [125]
2 years ago
11

The diagram shows a triangle. What is the value of c?

Mathematics
2 answers:
Harlamova29_29 [7]2 years ago
5 0
67+74=141
180-141=39
Your answer is 39
mote1985 [20]2 years ago
5 0

Answer:

C=39

Step-by-step explanation:

180=sum of angles in a triangle

67+74+C=180

141+C=180

C=180-141

C=39

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D = sqrt(3s^2) where s is the length of the side. Solving for s, 

<span>3s^2 = d^2 iff </span>
<span>s^2 = d^2 / 3 iff </span>
<span>s = sqrt(d^2 / 3) </span>
<span>= d / sqrt(3) or d sqrt(3) / 3 </span>

<span>Surface area of the cube = 6 s^2. Thus, </span>
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<span>= 6d^2 / 3 </span>
<span>= 2d^2 </span>

<span>Volume = s^3. Thus, </span>
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8 0
3 years ago
Read 2 more answers
Sergio bought 1 yard of yellow yarn. He used 21 inches of this yarn for a project. What part of the yarn that he bought did he u
Nezavi [6.7K]
Sergio did not use 15 inches of his yellow yarn
8 0
3 years ago
1. Solve the equation.
Keith_Richards [23]

Answer:

1. -3

2. -12

3. 20

4. -15

5. 6

6. -15w+5

7. 10

8. C<-26

9.p> -40

10. P> 16

Step-by-step explanation:

~ -9p -17 = 10

-9p = 27

P = -3

~ x/4 -5 = -8

x/4 = -3

x = -12

~ p/5 +6 =10

p/5 = 4

p = 20

~ -2(m-30) =-6m

-2m+60=-6m

4m = -60

m = -15

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8 0
3 years ago
In many fast food restaurants, there is a strong correlation between a menu item's fat content (measured in grams) and its calor
Kruka [31]

Answer:

1. The slope of the least-squares regressin line is 11.364

2. The intercept of the least-squares regression line is 204.343

3. The residual corresponding to this observation is -10 calories

Step-by-step explanation:

1. In order to calculate the slope of the least-squares regressin line we would have to use the following formula:

slope of the least-squares regressin line=r*sy/sx

Therefore, slope=0.979*324.90/27.99

slope=11.364

2. In order to calculate the intercept of the least-squares regression line we would have to use the following formula:

intercept of the least-squares regression line=ybar - slope*xbar

intercept=662.88 - 11.364*40.35

intercept=204.343

3. In order to calculate the the residual corresponding to this observation we would have to use the following formula:

residual = observed y - predicted y

predicted y=11.364*x + 204.343

if the x value is 7, therefore predicted y=11.364*107 + 204.343

predicted y=1,420

Therefore, residual=1410 calories - 1420 calories

residual=-10 calories

8 0
3 years ago
Which is a counterexample that shows the statement is false? If you square a number, then the answer is greater than the number.
Iteru [2.4K]

Answer:

A. (\frac{1}{2})² = \frac{1}{2} × \frac{1}{2} = \frac{1}{4}

Step-by-step explanation:

Answer choice (A) is the counterexample because squaring number \frac{1}{2} results into number \frac{1}{4} which is less than \frac{1}{2} .

7 0
2 years ago
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