3 years ago

What is the value of y in the equation y − 7 = 21? (4 points)

Mathematics

2 answers:

labwork [276]3 years ago

8 0

Answer:

Step-by-step explanation:

y-7=21

+7 +7

y=21+7

y=28

Ugo [173]3 years ago

6 0

Answer:

4) 28

Step-by-step explanation:

Isolate the y

add 7 to both sides

y - 7 = 21

y - 7 (+7) = 21 (+7)

y = 21 + 7

y = 28

28 is your answer

hope this helps :D

You might be interested in

Which is a logical conclusion based on the information given in the figures

Dmitry_Shevchenko [17]

Selection C is the appropriate choice.

3 0

3 years ago

A treadmill cost $2.199 with 6.3% sales tax

Vikentia [17]

Answer:

$2337.54

Step-by-step explanation:

100%+6.3%=106.3%

106.3%=1.063

1.063×2199=2337.537

So when you round it the answer will be $2337.54.

4 0

3 years ago

Calculate using Cauchys integral formula

zhuklara [117]

Answer:

9πi/2

Step-by-step explanation:

$\oint\limits_C {\frac{5z^{2}+4}{(z-1)(z+3)} } \, dz,\ C: |z|=2$

Let f(z) = (5z² + 4) / (z + 3).

$\oint\limits_C {\frac{f(z)}{z-1} } \, dz,\ C: |z|=2$

Using Cauchy's integral formula:

$2\pi i\ f(1)\\2\pi i\ (\frac{5(1)^{2}+4}{1+3}) \\2\pi i\ (\frac{9}{4}) \\\frac{9\pi i}{2}$

5 0

2 years ago

Solve for x 81^5 = 3x x=?

pentagon [3]

81^5 = 3,486,784,401
3,486,784,401 / = X
X = 1,162,261,467
(I think anyways)

8 0

3 years ago

Which side of XYZ is the longest? A. xy B. xz C. yz D. cannot be determined

Eddi Din [679]

Answer:

the answer is x because its small

4 0

3 years ago