All categories

3 years ago

Math help pls!! answer choices are 17.1 , 3.5 , 8.4 , and 1.5

Mathematics

1 answer:

Hoochie [10]3 years ago

4 0

Triangles ABD and BCD are similar, because they are both right and share a common angle, and thus all three angles are equal.

This means that we can set the proportion

$AB\div AD = BC\div DC$

Plug the numbers and we have

$5\div 3.5 = 12\div x$

Solve for $x$ :

$x=\dfrac{12\cdot 3.5}{5}=8.4$

You might be interested in

Please help me you will be my fav person ever if u do

Dovator [93]

Answer:

For the first one ASA

Second SAS

Third SSS

Sorry if i am wrong

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

How could you convert<br> the 3/8of an inch into sixteenths?

BARSIC [14]

Answer:

6/16

Step-by-step explanation:

To get 16ths multiply both the top and bottom by 2

3*2=6

8*2=16

6/16ths =0.375

3/8ths=0.375

4 0

3 years ago

The figure below shows square ABCD inscribed on square PQRM on a coordinate plane. Which of the following expressions represents

vova2212 [387]

The hypotenuse of the triangle is given by:
$CB ^ 2 = RC ^ 2 + RB ^ 2
$
Substituting values:
$CB ^ 2 = 2 ^ 2 + 4 ^ 2
$
Clearing CB we have:
$CB = \sqrt{ 2 ^ 2 + 4 ^ 2} 

 CB = \sqrt{ 4 + 16} 

 CB = \sqrt{20} 

 CB = \sqrt{4*5} 

 CB = 2\sqrt{5} 



$
Then, the perimeter of the triangle is:
$P = RB + RC + CB
$
Substituting values:
$P = 4 + 2 + 2 \sqrt{5} 

 P = 6 + 2 \sqrt{5}$
Answer:
the perimeter of triangle BRC in units is:
D.6 + 2√5

7 0

3 years ago

Read 2 more answers

6 1/42 + 4 5/6= simplest form + show work.

marissa [1.9K]

Answer:

1. 10 6/7 2. 8/15

Step-by-step explanation:

1. 6 1/42 + 4 5/6

First, let's combine the whole numbers. 6 + 4 = 10

Now we are left with 1/42 + 5/6.

To add or subtract, the dominators need to be the same. We need to find the least common multiple which here is 42.

1/42 + 5/6(7)

1/42 + 35/42

= 36/42

= 6/7

All we have to do is combine both numbers.

10 6/7

2. 13/15 - 1/3(5)

13/15 - 5/15

8/15

6 0

3 years ago

If you have 30 spoons, according to the table below, how many forks will you have?

Marysya12 [62]

$\bf \begin{array}{|c|ll|} \cline{1-3} Forks&16&\stackrel{\downarrow }{8}\\ Spoons&10&\underset{\uparrow }{30}\\ \cline{1-3} \end{array}$

3 0

3 years ago