The sum of three squared and five squared

Mathematics

1 answer:

mote1985 [20]3 years ago

4 0

Answer:

Step-by-step explanation:

Squaring a number means to multiply it by itself. So 3 squared, or 3^2, is equivalent to 3 x 3 which is 9. 5 squared, or 5^2, is equivalent to 5 x 5 which is 25. 9 + 25 = 34

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PolarNik [594]

Question 1:

5z – 9 = 36

5z = 45

z = $\frac{45}{5}$

z = 9

Hence, the answer is D.

Question 2:

5(2z + 4) = 0

10z + 20 = 0

10z = -20

z = $\frac{-20}{10}$

z = -2

Hence, the answer is A.

Question 3:

4a + 3(a + 1) = 24

4a + 3a + 3 = 24

7a = 21

a = $\frac{21}{7}$

a = 3

Hence, the answer is B.

Question 4:

3(4x + 5) = 12

12x + 15 = 12

12x = 12 - 15

12x = -3

x = $\frac{-3}{12} = - \frac{1}{4}$

Hence, the answer is A.

Question 5:

4x – 8 – 4x = 9

-8 ≠ 9

Hence, the answer is A.

8 0

3 years ago

Read 2 more answers

4x-2= -14 what value of x makes 4x-2= -14 true?

ad-work [718]

-6

4 x (-6) - 2

-16 - 2

=-14

6 0

4 years ago

Read 2 more answers