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kozerog [31]
4 years ago
15

Can someone help me with these problems ​

Mathematics
1 answer:
Elenna [48]4 years ago
8 0

Answer:

y would be 90 degrees, i think

Step-by-step explanation:

y looks like a right angle, but idk since it doesn't have the box thing on it

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Solve for w.<br> 12 = 9 – 3w
marusya05 [52]
The answer is w = -1 :)
3 0
3 years ago
The base of a triangular pyramid is 21 inches squared. The volume is 63 inches cubed. What is the height of the pyramid?
Tamiku [17]

Answer:

9

Step-by-step explanation:

So the formula for a triangular pyramid is v=1/3bh

you plug in the values and you get 63=1/3(21)(h) and since you are finding the height, you get h=63*3/21

and then you check answers with

63=1/3(21)(9) which is true so the height is 9

8 0
3 years ago
Is the sequence {a_n}={0.4,1.6,6.4,25.6,...} arithmetic, geometric, or neither? If arithmetic, identify the common difference, d
BlackZzzverrR [31]

Answer:

  d)  geometric; r = 4

Step-by-step explanation:

Differences of adjacent terms are not constant (they are 1.2, 4.8, 19.2, ...), so the sequence is NOT ARITHMETIC.

Ratios of adjacent terms are constant (they are 1.6/0.4 = 6.4/1.6 = 25.6/6.4 = 4), so the sequence is geometric with a common ratio of 4.

5 0
4 years ago
Read 2 more answers
My question is on the Image <br>It's for homework<br>I.NEED.HELP:( <br>I'll give brainliest ​
Vera_Pavlovna [14]

Answer:

6 and 12 i Hope i suck at math

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please help its only A B C D which should equal 105degree to prove that f // g?
ELEN [110]

Answer:

Option (4)

Step-by-step explanation:

From the figure attached,

∠b = 75° [Vertical angles]

If the lines f and g are parallel then,

∠b = ∠c [Corresponding angles]

Therefore, ∠c = 75°

Since m∠c + m∠d = 180° [Supplementary angles]

75° + m∠d = 180°

m∠d = 180° - 75°

m∠d = 105°

Therefore, measure of angle d should be equal to 105° to prove f and g are parallel.

Option (4) will be the answer.

5 0
3 years ago
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