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e-lub [12.9K]
2 years ago
13

With decimal is equivalent to 76/9

Mathematics
2 answers:
Anni [7]2 years ago
6 0

Answer:

8.4

Step-by-step explanation:

76 ÷ 9 = 8.44444444

= 8.4 (rounded)

hope this helps!

elena-14-01-66 [18.8K]2 years ago
3 0
8.39i I I I I I I I I I I I I I I I I I I I I
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Simplify<br> 50(x^2+7x+6)
worty [1.4K]

Distribute 50 to every term inside the parentheses.

50\cdotx^2+50\cdot7x+50\cdot6

Simplify with multiplication.

\huge\boxed{50^2+350x+300}

You can't simplify further by adding, so leave the answer as-is.

4 0
1 year ago
Read 2 more answers
How do you write -2×^2 (-5x^2+4x^3) in standard form?
Ray Of Light [21]
I hope this helps you



(-2x^2). (-5x^2)+(-2x^2)(4x^3)



10x^4-8x^5
3 0
3 years ago
1/). Help ASAP Find the area of each circle to the nearest tenth
pentagon [3]

Answer:

153.9

Step-by-step explanation:

3 0
3 years ago
Mary crocheted a rectangular blanket whose diagonal measures approximately 7.21 feet. What are the most likely length and width
mote1985 [20]

Answer:

If both sides are integers, one side will be 4 feet and the other will be 6 feet. The other solution is the symmetrical solution (4 feet instead of 6 feet, and 6 feet instead of 4 feet).

Step-by-step explanation:

We have a rectangular blanket, that has a diagonal that measures h=7.21 feet.

The two sides of the rectangle a and b can be related to the diagonal h by the Pithagorean theorem:

a^2+b^2=h^2

Then, we can express one side in function of the other as:

a^2+b^2=h^2\\\\a^2=h^2-b^2\\\\a=\sqrt{h^2-b^2}=\sqrt{7.21-b^2}=\sqrt{52-b^2}

Then, if we define b, we get the value of a that satisfies the equation.

A graph of values of a and b is attached.

If both side a and b are integers, we can see in the graph that are only two solutions: (b=4, a=6) and (a=4, b=6).

8 0
2 years ago
Write an exponential function to model the situation.A population of 300 animals decreased at an annual rate of 22%
erastovalidia [21]

Answer:

y = 300(0.78)^x

Step-by-step explanation:

x is the number of years. y is the population after x years.

Each year, the population decreases by 22%, since 100% - 22% = 78%, and 78% = 0.78, each year, the population is 0.78 of the previous year's population.

year zero: y = 300

year 1: y = 300 * 0.78 = 300 * (0.78)^1

year 2: y = (300 * 0.78) * 0.78 = 300 * (0.78)^2

year 3: y = ((300 * 0.78) * 0.78) * 0.78 = 300 * (0.78)^3

year x: y = 300(0.78)^x

4 0
3 years ago
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