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wolverine [178]
4 years ago
9

Can you please help me !

Mathematics
1 answer:
Anit [1.1K]4 years ago
3 0

Step-by-step explanation:

Question no 1 ans is -10.

Question no 2 ans is 14.

Question no 3 ans is 7.

Question no 4 ans is 14.

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The episodes of a TV program are each 50 minutes long.
Nimfa-mama [501]

Answer:

3 hours 20 minutes

Step-by-step explanation:

first multiply 50 by how many episodes were watched

50 * 4 = 200

then devide it by 60 (60 minutes in an hr)

200 / 60 = 3 with a remainder of 1/3

meaning that it is 3 1/3 hours, to convert this into minutes, just devide a full hour (60 minutes) by 3

60 / 3 = 20

therefore the answer is 3 hours and 20 minutes

6 0
3 years ago
Which of the following could a be equal to? 4a=28 <br> A.24<br> B.4<br> C.7<br> D.-7
Leviafan [203]
The answer is C.
 4x7=28
8 0
4 years ago
Lisa is cooking muffins. The recipe calls for 7 cups of sugar. She has already put in 2 cups. How many more cups does she need t
DiKsa [7]

Answer:

Step-by-step explanation:

c =7

8 0
3 years ago
How do I solve for x, y, and z? Please help ASAP.
drek231 [11]

Answer:

x = 60 degrees, y = 120 degrees, z = 30 degrees

Step-by-step explanation:

To solve this problem, we must first recognize that the triangle on the left is an equilateral triangle.  This means that all of its side lengths are equal, which in turn means that all of its angles have the same measure.  Since we know the sum of the interior angles of a triangle must be 180, we can write and solve the following:

x + x + x = 180

3x = 180

x = 60 degrees

Next, we should notice that one of the 60 degree angles is supplementary with angle y, which means that their sum should equal 180 degrees.  This lets us write the following equation:

y + 60 = 180

When we subtract 60 from both sides to solve, we get:

y = 120 degrees

Finally, we should notice that the triangle on the right is isosceles.  This means that two of the side lengths (and thus two of the angles) are equal.  This means that the unmarked angle must also measure z degrees since the side lengths corresponding to these two side lengths are equal.  From this information we can write the following equation:

y + z + z = 180

If we substitute the value for y and solve, we get:

120 + 2z = 180

2z = 60

z = 30 degrees

Therefore, the correct answer is x = 60 degrees, y = 120 degrees, and z = 30 degrees.

Hope this helps!

7 0
3 years ago
Read 2 more answers
What is the square root of 8y to the 7th power
kaheart [24]

It would be 2 square root of 2 and y7 square root. It's two parts to the answer. 
8 0
4 years ago
Read 2 more answers
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