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evablogger [386]
3 years ago
13

Help, please I will give you 10 points

Mathematics
2 answers:
Klio2033 [76]3 years ago
6 0

Answer:

16 tiles is the answer..........

Airida [17]3 years ago
5 0

Answer:

16 tiles would be the correct answer.

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Step 1: 12x – 15 – 12x = 7x + 20
stealth61 [152]

Step-by-step explanation:

step 1. 12x - 15 - 12x = 7x + 20

step 2. 12x - 12x - 15 = 7x + 20 (grouping of terms)

step 3. -15 = 7x + 20 (adding like terms)

step 4. -35 = 7x (subtract 20 from both sides)

step 5. this step is incorrect.

step 6. -5 = x ( divide both sides by 7)

step 7. x = -5 (put the variable first).

5 0
3 years ago
PLEASE HELP! ITS DUE SOON!!!! I DONT GET THIS!!
o-na [289]

Answer:

d. 50°

Step-by-step explanation:

Since you know one angle and its opposite side, use the law of sines.

sin 36°/11.9 = sin D/15.6

sin D = 15.6 × sin 36° / 11.9

sin D = =0.7705

D = sin^-1 0.7705

D = 50.4°

8 0
2 years ago
Find three right triangles based upon the Pythagorean Triple of 8, 15, and 17. Explain how you know these are triangles.
Luba_88 [7]
A^2 + b^2 = c^2
8^2 + 15^2 = 17^2
64 + 225 = 289
289=289
It is a triangle because the numbers match the Pythagorean Theorem. 
7 0
3 years ago
What is (2-7i)(-1+4i)
Daniel [21]
15x, because 2 × 4x= 8x and -1×-7=7x...add 8x and 7x ull get the answer
7 0
3 years ago
Help my lil sister wit ha work yall we slo
amid [387]

Answer:

9/10=9.00

2=20

3 1/10=31

10=100

Step-by-step explanation:

Hope this helps

8 0
2 years ago
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