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gregori [183]
3 years ago
9

30 is 120% of what number? show ur work

Mathematics
1 answer:
Yanka [14]3 years ago
3 0

Answer:

30 is 120% of 25

Step-by-step explanation:

30 = 120% of y

\frac{120}{100} × y = 30

After multiplying both sides by 100 and dividing both sides by 120, we have

y = 30 × \frac{100}{120}

y = 25

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Answer:

-2x - 1

Step-by-step explanation:

6 - 6x - 2 + 4x - 5

6 - 2x - 2 - 5

-2x - 1

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I need quick help pls!!<br><br> by reason: AAA or ASA, SAA or Cannot be determined or SAS or SSS
Ray Of Light [21]

Answer:

  ΔDCE by ASA

Step-by-step explanation:

The marks on the diagram show AE ≅ DE. We know vertical angles AEB and DEC are congruent, and we know alternate interior angles BAE and CDE are congruent. The congruent angles we have identified are on either end of the congruent segment, so the ASA theorem applies.

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Please help me urgently! 50 points giving brainliest.
Alisiya [41]

The number of significant figures in the numbers are

  • 100 cm = 1 significant digit
  • 0.006700 cm = 2 significant digits
  • 450. cm = 3 significant digits

<h3>How to determine the number of significant figures in the following numbers?</h3>

As a general rule, the zeros before and after the non-zero figures are not significant.

Using the above rule, we have:

  • 100 cm = 1 significant digit
  • 0.006700 cm = 2 significant digits
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<h3>How to round the following numbers to the correct number of significant figures</h3>

Using the above rule in (a), we have:

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<h3>How to report the following answers with correct significant figures</h3>

We have:

(12.93cm) x (2.34cm) x (8cm) = 242.05 cm^3 because 12.93 has 4 significant figures

67.0m / 2.18s = 30.7 m/s because 2.18 has 3 significant figures

<h3>How to convert the following metric to metric</h3>

450mL = 0.45 L

because 1 mL = 0.001 L

2.3 dm = 0.00023 km

because 1 dm = 0.0001 km

0.120cg = 1.2 mg

because 1 cg = 10 mg

6700L = 670000 cL

because 1 L = 100 cL

<h3>How to convert the following metric</h3>

a. 2.34miles = 3.76 km (1mile = 1.61km) -- given

b. 5.3ft = 161.544 cm(2.54cm = 1 in)

Because 1 ft = 30.48 cm

Read more about significant figures at:

brainly.com/question/24491627

#SPJ1

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Step-by-step explanation:

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