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PolarNik [594]
4 years ago
13

Which shows the expression below simplified? (8 × 107) × 0.00009 Please help!

Mathematics
2 answers:
hjlf4 years ago
8 0

Answer:

the answer is a

Step-by-step explanation:

Ad libitum [116K]4 years ago
7 0
The answer is D) 7.2x10^3
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Seung and Razi are both filling party favor bags for their birthdays at a constant rate. Razi’s progress is shown in the table.
Natalka [10]

Answer:

Each minute Seung fills one less bag than Razi.

Step-by-step explanation:

Find the rate of change.

<u>Razi's rate of change:</u>

\dfrac{y(b)-y(a)}{b-a}\\ \\=\dfrac{y(2)-y(1)}{2-1}\\ \\=\dfrac{44-48}{2-1}\\ \\=\dfrac{-4}{1}\\ \\=-4

<u>Seung's rate of change:</u>

\dfrac{y(b)-y(a)}{b-a}\\ \\=\dfrac{y(4)-y(3)}{4-3}\\ \\=\dfrac{31-34}{4-3}\\ \\=\dfrac{-3}{1}\\ \\=-3

This means Razi packs 4 bags per minute, Seung packs 3 bags per minute.

<u>Difference</u> = 4 - 3 = 1 bag

Each minute Seung fills one less bag than Razi.

7 0
3 years ago
Read 2 more answers
97 divided by 17 round it
aksik [14]

Answer:

6

Step-by-step explanation:

the answer would be 5.70588235294, but if you are rounding to the nearest tenth, its 6

7 0
4 years ago
Read 2 more answers
) Consider the following probability density function of the random variable X. f(x) = k(2x + 3x2 ), 0 ≤ x ≤ 2. (i) Determine th
julia-pushkina [17]

I assume f(x)=0 otherwise. If f(x) is indeed a proper PDF, then its integral over the support of X is 1.

\displaystyle \int_{-\infty}^\infty f(x) \, dx = k \int_0^2 (2x + 3x^2) \, dx = 1

Compute the integral.

\displaystyle \int_0^2 (2x + 3x^2) \, dx = (x^2 + x^3)\bigg|_{x=0}^{x=2} = (2^2 + 2^3) - (0^2 + 0^3) = 12

Then

12k = 1 \implies \boxed{k=\dfrac1{12}}

8 0
3 years ago
Perpendicular lines AB and CD Intersect at point E. If m&lt;AED=×+20, wha is the value of x​
vladimir1956 [14]

Answer:

x = 70°

Step-by-step explanation:

Itz given that AB & CD are perpendicular to each other and intersect at E . So , angle(AED) = 90°

But here the value of angle(AED) = 90°

So,

x + 20 = 90°

=> x = 90° - 20°

= 70°

3 0
3 years ago
Please help 50 points and brain list no answer choices please help
Brilliant_brown [7]

Answer:

volume=88400 cu ft

pool can hold 11818 gallons of water

Step-by-step explanation:

1) volume of a rectangle formula:

l*w*h

and length=160

width=85

height=6.5

so

160*85*6.5=88400

since 1 foot=7.48 gallons

how many gallons are in 88400 feet?

to do this we have to divide 88400 by 7.48 to find the number of gallons which fit into a 88400 size pool:

88400/7.48=11818.1818182

volume of pool=88400 cu ft

since we have to round to the nearest integer, the pool hold about 11818 gallons of water

7 0
3 years ago
Read 2 more answers
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