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Sav [38]
3 years ago
7

Can someone help me please

Mathematics
2 answers:
balandron [24]3 years ago
8 0

Answer:

C) ∠R

Step-by-step explanation:

they both have two marks, meaning they are congruent

butalik [34]3 years ago
8 0

Answer: es la d

la respuesta es la d ya que son congruentes entre si y miden lo mismo

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For selected years, the national health care expenditure, in billion of dollors can be modelled by H=29.57e^0.0970t, remains acu
Sliva [168]

Answer:

The correct answer is 54.76 years.

Step-by-step explanation:

The national health care expenditure (H) , in billion of dollars is modeled by

H = 29.57 × e^{0.0970t}.

To measure the time before which national health expenditure reach 6000 billion dollars.

Thus putting the value of H = 6000 in the above modeled equation we get,

⇒ 6000 = 29.57 × e^{0.0970t}

⇒ \frac{6000}{29.57} = e^{0.0970t}

⇒ 202.908 = e^{0.0970t}

Taking logarithm with the base of e (㏑) both sides we get,

⇒ ㏑ 202.908 = ㏑ e^{0.0970t}

⇒ ㏑ 202.908 = 0.0970 × t

⇒ 0.0970 × t = 5.312

⇒ t = \frac{5.312}{0.0970}

⇒ t = 54.76.

Thus the total time required before which national health expenditure reach 6000 billion dollars is 54.76 years.

3 0
3 years ago
How many grams of a 10% cream must be mixed with 2% cream to prepare 60 grams of a 5% cream?
Blizzard [7]

Answer:

22.5 grams of 10% cream is mixed with 37.5 grams of 2 % cream to prepare 60 grams of 5% cream.

Step-by-step explanation:

Let x grams of 10% cream is mixed with y grams of 2 % cream to prepare 60 grams of 5% cream.

So, x + y = 60 ............ (1) and

x\times \frac{10}{100} + y \times \frac{2}{100} = 60 \times \frac{5}{100}

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Now, solving equations (1) and (2) we get,

4x = 150 - 60 = 90

⇒ x = 22.5 grams

So, y = 60 - x = 37.5 grams. (Answer)

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3 years ago
Where do all the points on a plane on a plane equidistant from the endpoints of AB overbarthe endpoints of AB ​lie?
tiny-mole [99]
At the center of the circle
3 0
3 years ago
51 is 17% of what number
Mrac [35]
We let x be the variable that when 17% is multiply by x it will equal 51.

Convert 17% decimal. To do this, move the % sign two places to the left and make it into a decimal point.

17% = 0.17

Now make our equation 0.17 * x = 51

Divide both sides by 0.17.

x = 300
4 0
3 years ago
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