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Rudik [331]
3 years ago
6

Solve this step by step and explain your answer

Mathematics
1 answer:
viva [34]3 years ago
7 0

Step-by-step explanation:

y = 3x + 5 \\ 2x + 4y = 6 \\ subsitution \\ 2x + 4(3x + 5) = 6 \\ 2x + 12x + 20 = 6 \\ 14x =  - 14 \\ x =  - 1 \\ y = 3x + 5 \\ y =  - 3 + 5 \\ y = 2

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Quadrilateral ABCD is a kite. If AD=AB, find AD<br><br> A. 5/3<br> B. 7<br> C. 5/7<br> D. 22
ICE Princess25 [194]
AD = AB

AD = 2r+8
AB = 5r-13

we need to find the value of r to find the total length

so 2r+8 = 5r-13
subtract 2r from each side:
8 = 3r -13
add 13 to each side:
21 = 3r
divide both sides by 3
r = 21 / 3 = 7
r=7
 now we know r, so replace r with 7 in the equation for AD

AD = 2r+8 = 2(7) +8 = 14 +8 = 22

 the answer is D. 22


5 0
3 years ago
Write the equation for the graph below.<br> PLEASE I NEED HELP !
mrs_skeptik [129]
Y= 1x+ 3
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5 0
4 years ago
PLEASE ANSWER FAST AND CORRECTLY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Paha777 [63]

Answer:

C. 7790.83 cm^3

Step-by-step explanation:

The volume of a sphere is given by

V = 4/3 pi r^3

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Using 3.14 for pi  (This will give us an approximation, not an exact value)

V = 4/3(3.14) (12.3)^3

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6 0
3 years ago
If 2 angles are vertical and one angle is 44 degrees,find the other angle?
grandymaker [24]

Answer:

Step-by-step explanation:

Then the other angle must be 44 degrees as well.

8 0
3 years ago
Read 2 more answers
I don't get it like i don't even know what i'm looking at
Tatiana [17]

Answer:

Answer(s): <u>15m</u>

<u>20(m-0.25m)</u>

Step-by-step explanation:

5 0
2 years ago
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