3 years ago

What number solves the equation x – 21 = 43

Mathematics

2 answers:

ollegr [7]3 years ago

4 0

64 because just add 21 and 43 which gives you 64 and 64 - 21 = 43, if I’m wrong then I apologize

sdas [7]3 years ago

3 0

Answer:

64 - 21 = 42

Step-by-step explanation:

x = 64

- Hope this helped! ^ω^

You might be interested in

What is the slope from point (0 0) to (6 -2)

mezya [45]

-1/3

Use the formula m = y2-y1/ x2 - x1.
Substitute the x and y values and you'll get -1/3

7 0

3 years ago

Read 2 more answers

Factor by grouping 3x^2 + 11 - 14 plss i need help!

8_murik_8 [283]

Answer:

3x^{2}+11-14 hi

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Diana works at a clothing store. She sold 1/5 of the total number of green shirts on Monday and 3/12 of the total number of gree

sergejj [24]

Answer:

your answer is $27/60$ and $7/60$

4 0

1 year ago

Pls help me solve this question, also include step by step calculation ya. Thks

sp2606 [1]

$\displaystyle\\Answer:\ x=\sqrt{2}\ \ \ \ \ x=-\sqrt{2}\ \ \ \ \ x=\frac{ln5}{2}$

Step-by-step explanation:

$5x^2-x^2e^{2x}+2e^{2x}=10$

$Let:\ x^2=t \ \ \ \ \ e^{2x}=v\\Hence,\\5t-tv+2v^2=10\\5t-tv+2v^2-10=10-10\\5t-tv-10+2v^2=0\\t(5-v)-2(5-v)=0\\(5-v)(t-2)=0\\5-v=0\\5-v+v=0+v\\5=v\\5=e^{2x}$

Prologarithmize both parts of the equation:

$ln5=lne^{2x}\\ln5=2x*lne\\ln5=2x*1\\ln5=2x\\$

Divide both parts of the equation by 2:

$\displaystyle\\x=\frac{ln5}{2}$

$t-2=0\\t-2+2=0+2\\t=2\\x^2=2\\x=\sqrt{2} \\x=-\sqrt{2}$

6 0

1 year ago

What is 50% of 30? anyone

tensa zangetsu [6.8K]

Answer:

Step-by-step explanation:

.5 * 30 = 15

3 0

3 years ago

Read 2 more answers