1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
garri49 [273]
3 years ago
12

triangle abc is similar to triangle def. what is the value of bc if ef is 36 feet , ac is 7 feet, and df is 28 feet?

Mathematics
2 answers:
Vedmedyk [2.9K]3 years ago
5 0
7 : x = 28 : 36
x = 36 * 7 : 28
x = 9 feet (bc)
mario62 [17]3 years ago
3 0
Since abc is similar to deftherefor ac/df = bc/ef7/28 = bc/36bc = 9 feet

You might be interested in
The equation that models the current water temperature t of the swimming pool is t -6=78 which best describes the error made whe
Serga [27]
78! is the answer to this question! trust! -6
3 0
1 year ago
PLS PLS PLS PLS HURRRRRRRRRYYYYYYYYYY
vovangra [49]

A. first you can translate the lines 4 squares down.

then reflect the figure on th y line.

(attention: the rotation cant be done.)

B. yes they are. although we translated and reflected the figure l, we did not make any kind of change in size

good luck

8 0
3 years ago
Read 2 more answers
The sum of two numbers is 9.9, and the sum of the squares of the numbers is 53.21. What are the numbers?
Snezhnost [94]

Answer:

There are two possibilities:

x_{1} = 3.5 and y_{1} = 6.4

x_{2} = 6.4 and y_{2} = 3.5

Step-by-step explanation:

Mathematically speaking, the statement is equivalent to this 2-variable non-linear system:

x + y = 9.9

x^{2} + y^{2} = 53.21

First, x is cleared in the first equation:

x = 9.9 - y

Now, the variable is substituted in the second one:

(9.9-y)^{2} + y^{2} = 53.21

And some algebra is done in order to simplify the expression:

98.01-19.8\cdot y +2\cdot y^{2} = 53.21

2\cdot y^{2} -19.8\cdot y +44.8 = 0

Roots are found by means of the General Equation for Second-Order Polynomials:

y_{1} \approx \frac{32}{5} and y_{2} \approx \frac{7}{2}

There are two different values for x:

y = y_{1}

x_{1} = 9.9-6.4

x_{1} = 3.5

y = y_{2}

x_{2} = 9.9 - 3.5

x_{2} = 6.4

There are two possibilities:

x_{1} = 3.5 and y_{1} = 6.4

x_{2} = 6.4 and y_{2} = 3.5

5 0
3 years ago
What is 5/6 plus 7/8?
irina [24]

Answer:

1  17/24

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is the perimeter of the polygon shown below?
yKpoI14uk [10]

Answer:

I don't see the polygon but all you need to do is add up all the sides.

6 0
3 years ago
Other questions:
  • Solve for x.<br><br> x2 − 9x + 20 = 0
    8·2 answers
  • I need someones help!
    13·1 answer
  • What is the value of -4+15(18÷0.5)
    15·1 answer
  • A cone fits inside a square pyramid as shown For every
    13·1 answer
  • I don’t understand what I need to do in this problem or how to get the answers
    15·1 answer
  • If g(x)=1.5x-3 ,determined if f(x) &gt; g(x) when x = 4​
    9·1 answer
  • A backpack regularly Price for $120 was marked down to $84. What was the backpack’s percent of discount?
    12·2 answers
  • What are the zeros of f(x) = x2 - 8x+16?
    12·1 answer
  • Need to know the v value
    8·1 answer
  • Can you guys give me a serious answer please?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!