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Gennadij [26K]
3 years ago
11

Find the missing sides

Mathematics
2 answers:
notsponge [240]3 years ago
5 0

Answer:

90-30=60

Step-by-step explanation:

Was

ra1l [238]3 years ago
3 0

Answer:

hypotenuse is 6 square root of 3 and short leg is 3 square root of 3

Step-by-step explanation:

You might be interested in
PLZZZ HELP pictures down below
balu736 [363]

Answer:

C

Step-by-step explanation:

We can multiply each equation by a constant so they'll equal either 15 or -15 since that is the LCM.

Since the answer choices want us to make the top a negative 15, we'll do that.

2x-5y=-21 \\ \\ 3(2x-5y)=(-21)*3 \\ \\ 6x-15y=-63

To make the y's cancel out, the second equation would have to have the y's coefficient equal 15.

Let's do that.

3x-3y=-18 \\ \\ -5(3x-3y)=(-18)*-5 \\ \\ -15x+15y=90

So the resulting equations are answer choice C.

5 0
2 years ago
(x+5)(x+1)+(x+5)(x+8)
gtnhenbr [62]

Answer:

2x² + 19x + 45

Step-by-step explanation:

(x + 5)(x + 1) + (x + 5)(x + 8) ← expand both sets of factors using FOIL

= x² + 6x + 5 + x² + 13x + 40 ← collect like terms

= 2x² + 19x + 45

5 0
2 years ago
A cylindrical rain barrel has a radius of 2 feet and holds a total of 30 cubic feet of water. How tall is the rain barrel? Use 3
enot [183]

Answer:

2.39 feet

Step-by-step explanation:

we know that

The volume of a cylinder is equal to

V=\pi r^{2}h

where

r is the radius of the base of the cylinder

h is the height of the cylinder

we have

V=30\ ft^3

r=2\ ft

\pi =3.14

substitute

30=(3.14)(2^{2})h

Solve for h

30=(3.14)(4)h

h=30/12.56

h=2.39\ ft

7 0
3 years ago
3 times what equal 19?
MissTica

Answer:

6 1/3

Step-by-step explanation:

3 times what equals 19 can be in the form of an equation as shown below. It shows that the value we are finding for is unknown, therefore it is a variable. A variable is the unknown value in an equation.

Equation: 3x = 19

With the equation in hand, we can now solve the problem easily.

3x = 19

Carry the 3 to the 19(Carry over the like terms across leaving the variable or the unknown)

x = 19÷3

x = 6.33333 or 6 1/3

To check if the answer was correct:

3 × 6 1/3 = 19

You regain the answer <em>19</em>

4 0
3 years ago
Read 2 more answers
ANSWER PLEASE! 14 points if you do
Goshia [24]
The correct answer is C. 2y = 22
7 0
3 years ago
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