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3 years ago

{7TH GRADE} Create four (4) problems that include fractions. Solve the problems using estimation.

Mathematics

2 answers:

zaharov [31]3 years ago

8 0

Answer:

Step-by-step explanation:

bulgar [2K]3 years ago

3 0

1/4 +2/3 =
3/4 - 1/7
6/8 / 9/12

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5÷5+6÷6÷6÷6÷6÷6÷6÷6÷6÷6×6×7+7+8+9+3+5*6*6

Reil [10]

Answer:

208.00015

Step-by-step explanation:

Use a calculator. I'm sorry, there's no other way

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Find the common ratio of the sequence. 2, –10, 50, –250, –5 1/-5 –12 12

Sholpan [36]

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DedPeter [7]

Answer:

For every 15 students scoring in the 60's there were 9 students scoring in the 70's.

Step-by-step explanation:

Your first step would be to rewrite the numbers into an easier to understand form like fractions, 45/3 and 27/3. Then you divide both numbers by 3, so you get comparable numbers. 45/3= 15, 27/3=9.

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3 years ago

I need algebra help.....

Lubov Fominskaja [6]

Answer:

$y=4(3)^x$

Step-by-step explanation:

From the table given in the question,

x y Difference Ratio

1 12 - -

2 36 36-12 = 24 $\frac{36}{12}=3$

3 108 108-36 = 72 $\frac{108}{36}=3$

4 324 324-108 = 216 $\frac{324}{108}=3$

5 972 972-324 = 648 $\frac{648}{216}=3$

There is a common ratio of 3 in each successive term.

Therefore, data given in the table will represent an exponential function.

$y=a(b)^x$

For a point $(1, 12),$

$12=a(b)^1$

$ab=12$ ------(1)

For another point of the table $(2,36)$ ,

$36=a(b)^2$

$ab^2=36$ --------(2)

Equation (2) divided by equation (1)

$\frac{ab^2}{ab}=\frac{36}{12}$

$b=3$

From equation (1),

$3a=12$

$a=4$

Therefore, exponential function will be,

$y=4(3)^x$

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3 years ago

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tester [92]

60, 60 and 60 degrees

There are two criteria: the angles have to all be equal and they have to add up to 180 degrees. This answer satisfies both criteria.

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3 years ago

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