All categories

4 years ago

Use the tool to explore the side lengths and angle measures of the three triangles.

Mathematics

2 answers:

erastova [34]4 years ago

7 0

Answer:

it the the fist one and the third one a and c

Step-by-step explanation:

ollegr [7]4 years ago

7 0

Answer:

the answers are A and C

Step-by-step explanation:

edge 2020

You might be interested in

Hey!! can someone please help me with these math problems? I would appreciate it, thank you(:

marissa [1.9K]

{x=-1/3-10/3y

5x+20y=5

5(-1/3-10/3y)+20y=5

solve the equation

Y=5

substitute the value of y into the equation

x=-1/3-10/3×2

.solve the equation

.x=-7

(x,y)=(-7,2)

{3×(-7)+10×2=-1

5x(-7)+28×2=5

simplify

{-1=-1

5=5

the ordered pair is asolution

(X,Y)=(-7,2)

That's all!!!!

7 0

3 years ago

Read 2 more answers

Which of these statements about statistical models is true? I. Statistical models help better understand real-world systems. II.

GenaCL600 [577]

I would think statistical models help better understand real world systems

7 0

4 years ago

What’s 123.45 + 67.891 <br> Step By Step?

dimulka [17.4K]

Answer:

123.45 + 67.891 = 191.341

Step-by-step explanation:

I don't know really know how to explain but I'll try to. So since 123.45 is the larger decimal so you put it first then below it you put 67.891.(not that it is necessary)

Then add a zero to 124.45. Meaning it will be 123.450. (It is the same number, we just have to add a zero there.)

Add then just add like you normally do. Just try doing it and you'll see.

7 0

3 years ago

Exercise 2

nadezda [96]

Answer:

a) 0.72

b) 0.98

Step-by-step explanation:

We are given the following information in the question:

P(passing maths exam) = P(m) = 0.9

P(passing Spanish exam) = P(s) = 0.8

It is assumed that the results of the two exams are independent of each other.

a) probability that she passes both exams

By assumption of independence, we can write:

$P(\text{passes both exam} = P(M\cap S) \\=P(M)\times P(S) = 0.8\times 0.9 = 0.72$

0.72 is the probability that Josie will pass both the exams.

b) probability that Josie passes at least one of the exam

$P(\text{at least one of the exams}) = P(M\cup S)\\= P(M) + P(S) - P(M\cap S)\\= 0.9 + 0.8 - 0.72 = 0.98$

0.88 is the probability that Josie passes at least one of the exams.

5 0

3 years ago

Please answer I need help asap

strojnjashka [21]

Answer:

x=5

Step-by-step explanation:

$\frac{x}{3} =\frac{9+6}{9} \\\\\frac{x}{3} =\frac{15}{9}$

cross multiply

45=9x

solve for x by dividing 9 to get x alone

5=x

6 0

3 years ago

Read 2 more answers