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forsale [732]
2 years ago
11

PLS help,269 divided by 4​

Mathematics
1 answer:
dmitriy555 [2]2 years ago
3 0
The answer would be 67.25
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72 1/10% of 19 =<br><br>Show work
Lerok [7]

72 1/10% = 72.1% then you can put it in decimal form by moving two decimal places left .721 and take away the percentage symbol, the word "of" in this case means you're multiplying so it will be .721 x 19 and that's how you get your answer

3 0
3 years ago
Write an exponential equation in the form y = abx whose graph passes through points (−3, 24) and (−2, 12). y = 3x y = 3(0.5)x y
Bingel [31]

Answer:

Option B.

Step-by-step explanation:

The given exponential equation is

y=ab^x  ...(1)

It is given that the graph of above equation passes through points (−3, 24) and (−2, 12).

The graph passes through the point (-3,24), so substitute  x=-3 and y=24 in equation (1).

24=ab^{-3}   ...(2)

The graph passes through the point (-2,12), so substitute  x=-2 and y=12 in equation (1).

12=ab^{-2}   ...(3)

Divide equation (3) by equation (2).

\dfrac{12}{24}=\dfrac{ab^{-2}}{ab^{-3}}

0.5=b

Substitute b=0.5 in equation (2).

24=a(0.5)^{-3}

24=\dfrac{a}{(0.5)^{3}}

24=\dfrac{a}{0.125}

24\times 0.125=a

3=a

Substitute a=3 and b=0.5 in equation (1).

y=3(0.5)^x

Therefore, the correct option is B.

8 0
3 years ago
In how many ways can carlos draw a blue or a green marble from a jar containing 30 blue marbles and 6 green marbles?
Anton [14]
D) 180 because there are 180 possible combinations for the marbles to be picked out
6 0
3 years ago
Read 2 more answers
The height to the base of an isosceles triangle is 12.4m, and its base is 40.6m. What are the measurement of the angles of the t
Vsevolod [243]

Answer:

  • angles: 31.42°, 31.42°, 117.16°
  • legs: 23.79 m

Step-by-step explanation:

The base angles can be found from the definition of the tangent function:

  tan(base angle) = height/(half-base length)

  base angle = arctan(12.4/20.3) ≈ 31.418°

Then the apex angle is double the complement of this:

  apex angle = 2(90° -31.418°) ≈ 117.164°

The base angles are 31.42°, and the apex angle is 117.16°.

__

The leg lengths can be computed from the Pythagorean theorem applied to the altitude and the half-base length.

  leg length = √(12.4² +20.3²) = √565.85 ≈ 23.789 . . . . meters

The length of the legs is about 23.79 m.

5 0
3 years ago
Read 2 more answers
According to a certain central bank from 2000 to 2016 the average price of a new home in a certain region increased by 62 % to $
Alla [95]

Answer:  $ 290 thousand

Step-by-step explanation:

Given : According to a certain central bank from 2000 to 2016 the average price of a new home in a certain region increased by 62 % to $470 thousand.

Let X be the the average price of a new home in 2000 .

Then , the 62 % increase in price is given by :-

x+0.62(x)=x(1+0.62)=1.62x

Since , the the average price of the home in 2016 = $470 thosand

1.62x=470\\\\\Rightarrow\ x=\dfrac{470}{1.62}=290.12345679\approx290

Hence, the average price of a new home in 2000 =  $ 290 thousand .

3 0
3 years ago
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