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kirill115 [55]
3 years ago
14

PLEASE HELP URGENT!!!!

Mathematics
2 answers:
emmainna [20.7K]3 years ago
5 0

Answer:

A

Step-by-step explanation:

When two lines cross, the angles opposite of each other are always equal.

Example:

  • 4=2
  • 1=3

You can even check this by adding all of the angles together to equal 360.

Setler [38]3 years ago
3 0

Answer:

A hope this helps

Step-by-step explanation:

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Greeley [361]
<h3><u>Answer</u> :</h3>

\sf \dashrightarrow \dfrac{22}{7} \div \dfrac{22}{7}

\sf \dashrightarrow \dfrac{22}{7} \times \dfrac{7}{22}

\sf \dashrightarrow \dfrac{\cancel{22}}{\cancel{7}} \times \dfrac{\cancel{7}}{\cancel{22}}

\sf \dashrightarrow 1 \times 1

\sf \dashrightarrow 1

<h3>Hence, answer is 1.</h3>
4 0
3 years ago
Read 2 more answers
Solve for r. 35r-21&lt;-35r+19
Mnenie [13.5K]

Good morning ☕️

Answer:

r < \frac{4}{7}

Step-by-step explanation:

35r-21 < -35r+19

⇌ 35r + 35r < 19 + 21

⇌ 70r < 40

⇌ r < 40/70

⇌ r < 4/7

_________________________

:)

5 0
3 years ago
How to calculate concentration with just the absorbance and % transmittance measurements from a spectrometer? ​
Natali [406]

Answer:

A=ε*l*c

A= 2- log₁₀ % T

Step-by-step explanation:

There is a linear relationship between the concentration of a sample and absorbance according to Beer-Lambert Law.

A=ε*l*c

where;

A=absorbance

ε=absorption coefficient

l=path length

c=concentration

Because % transmittance is transmittance value multiplied by 100 then, the equation that will allow us calculate absorbance from % transmittance value will be;

A= 2- log₁₀ % T where T is transmittance.

8 0
3 years ago
Show your work, type the answer 6y + 5(6 + 4у + Зу)​
Andreas93 [3]
6y + 5*(6 + 7y)
6y + 30 + 35y
41y + 30
6 0
3 years ago
HELLPP PLZ <br> Plzzzzzzzz
irina [24]

Answer:

i need a better veiw

Step-by-step explanation:

3 0
3 years ago
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