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UNO [17]
2 years ago
10

At what rates did she invest? $1500 invested at___% $800 invested at ____%

Mathematics
1 answer:
frosja888 [35]2 years ago
3 0

Answer:

4% and 5% respectively

Step-by-step explanation:

Let the intrest rate be x in the first account at x% and (x+1)% in the second account.

ATQ, 100=(x)*1500/100+(x+1)*800/100

x=4.

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the mass of the sun is 2 x 10^30kg and the mass of earth is 6 * 10^24 kg. Approximately how many times greater is the mass of th
german

Answer:

The mass of sun is 333333.33 times greater than the mass of earth

Step-by-step explanation:

Given as :

The mass of the sun = 2\times 10^{30} kg

The mass of earth =  6\times 10^{24} kg.

Let The mass of sun is x times greater than the mass of earth

i.e The mass of sun = x × The mass of earth

or,  2\times 10^{30} kg =  6\times 10^{24} kg × The mass of earth

Or, x = \dfrac{2\times 10^{30}}{6\times 10^{24}}

Or, x = \dfrac{2\times 10^{6}}{6}

∴ x = 333333.33

So,  The mass of sun = 333333.33 × The mass of earth

Hence, The mass of sun is 333333.33 times greater than the mass of earth Answer

6 0
2 years ago
Light travels 9.45 \cdot 10^{15}9.45⋅10 ​15 ​​ 9, point, 45, dot, 10, start superscript, 15, end superscript meters in a year. t
Anna [14]

We are given that the distance light travel is:

9.45 x 10^15 meters / year

 

And that there is:

3.15 x 10^7 seconds / year

 

So the distance light travels per second is:

distance = (9.45 x 10^15 meters / year) * (1 year / 3.15 x 10^7 seconds)

<span>distance = 3 x 10^8 meters / second</span>

6 0
3 years ago
Read 2 more answers
in geotown, there are 210 own a tablet. This is at least 4/5 of all teenagers that live in geotown. What is the maximum number o
sergiy2304 [10]
210 = 4/5 (This means that 4 out of five people (210 people) are a teenager)

Then you divide 210 by the numerator to get 1/5 people:
210 / 4 = 52.5

Then you can multiply the 1/5 people (52.5) by 5 to get 5/5:
52.5 * 5 =  262.5 (rounded to 262)

Thus the maximum amount of teenagers in Geotown is 262.

Hope this helps! :)
4 0
3 years ago
Find the value of x in each case:
kipiarov [429]
X = 69o
2x + 42 = 180
=> x = 69
5 0
3 years ago
Line GH passes through points (-6,-30) and (4,-5) . What is the linear equation for line GH?
alexandr402 [8]

Answer:

y=1/4x+2

Step-by-step explanation:

The point-slope form of the equation of the line that passes through (-4, -3) and (12, 1) is y - 1 =1/4 (x - 12). The slope-intercept form of the equation for this line.

3 0
3 years ago
Read 2 more answers
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