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Rina8888 [55]
2 years ago
9

The measure of an angle is 173°. What is the measure of its supplementary angle?

Mathematics
2 answers:
QveST [7]2 years ago
5 0

Answer:

7

Step-by-step explanation:

The sum of two supplementary angles is always 180. 180 - 173 is 7, so the measure of the missing angle is 7.

barxatty [35]2 years ago
3 0

Answer:

7

Step-by-step explanation:

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Two solutions of differently concentrations of acid are mixed creating 40 mL of a soul union that is 32% acid one-quarter of the
AleksAgata [21]

Answer: Three quarters (30 ml) is made up of a 36% acid solution.

Step-by-step explanation:

Since we have given that

Total amount of solution = 40 ml

One- quarter of the solution is given by

\frac{1}{4}\times 40\ ml\\\\=10\ ml

Three-quarter of the solution is given by

\frac{3}{4}\times 40\\\\=30\ ml

According to question, we have

10 ml of solution is made up of = 20% of acid solution

30 ml of solution is made up of = say<em> 'c </em>' of acid solution

40 ml of solution is made up of = 32 % of acid solution

So, our equation becomes,

10\times 0.2+30\times c=40\times 0.32\\\\2+30c=12.8\\\\30c=12.8-2\\\\30c=10.8\\\\c=\frac{10.8}{30}\\\\c=0.36\\\\c=36\%

Hence,  three quarters (30 ml) is made up of a 36% acid solution.

5 0
3 years ago
Marta is solving the equation
ehidna [41]

Well Marta is still like that if you can Marta good luck

7 0
3 years ago
The additive invers of the numer <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B7%7D%20" id="TexFormula1" title=" \fr
GuDViN [60]

Answer:

-\frac{3}{7}

Step-by-step explanation:

The additive inverse of a number (its "opposite") is what you add to the given number to get a sum of zero.

\frac{3}{7} + (-\frac{3}{7}) =0

6 0
2 years ago
Use change-of-base formula to find three significant digits log^6 120
Paladinen [302]
I suppose that  when you write "log^6" , you want to say log₆

Change of base formula:
loga b=logc b / logc a

log₆ 120=ln 120 / ln 6=2.67

Answer: log₆ 120=2.67
7 0
2 years ago
A washer and dryer cost $869 combined. The washer cost $81 less than the dryer. What is the cost of the dryer?
marysya [2.9K]
W+d=869
w=d-81
plug in
(d-81)+d=869
2d-81=869
+81 both sides
2d=950
÷2 both sides
d=475
dryer cost $475

let's check w=475-81
w=394
475+394=869
869=869
the solution is true :)


7 0
3 years ago
Read 2 more answers
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