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2 years ago

0.15% of what number is 10.5?

Mathematics

1 answer:

mario62 [17]2 years ago

8 0

Answer:

67667.7

Step-by-step explanation:

let the number= Y

the question simply means that 0.15 percent of Y which give 10.5

so, let find Y:

0.15% of Y 10.15

<h3>Stating the mathematical equation</h3>

0.15/100×y = 10.15

0.0015y= 10.15

divide bothsides by 0.0015

0.0015y/0.0015= 10.15/0.0015

y=6766.66

y= 6766.7 approximately

<h3>therefore, 0.15% of 6766.7 is 10.5</h3>

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A train travels 3.5 kilometers on a straight track with a grade of 1 degree 10 minutes. What is the vertical rise of the train i

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3 years ago

At the age of 22, Vicki opened an IRA. At the beginning of each year, she deposits $1100 into her IRA, which earns 9% annual int

jeyben [28]

Answer:

$51,557.00

Step-by-step explanation:

1100 times 9% = 99 a year

99 times 43 = 4257

1100 times 43 =47,300

then you add 47,300 + 4257 = 51,557

you take your total that she put into the ira and multiply it by 9%

then you multiply that total by the number of years before she retires which is 43

so 99 times 43 = 4257

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then you add your totals together

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3 years ago

Given a graph for the transformation of f(x)=f(kx), determine the k value

jarptica [38.1K]

Answer:

B. k = 1/3

Step-by-step explanation:

Compare any two points on same horizontal line.

f(-3) = g(-1) = - 3

<u>Since g(x) = f(kx), substitute the x- coordinates to find the value of k:</u>

- 1 = k*(-3)
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4 0

2 years ago

Is 1/4 the answer to this what ratio forms a porportion with 8/36

Flauer [41]

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3 years ago

Given: ∆PST, PT = 8, m∠T = 90°, m∠S = 48° Find: perimeter of ∆PTS

ohaa [14]

Answer:

$P=25.98\ units$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The perimeter of triangle PST is equal to

$P=PT+PS+TS$

step 1

Find the length PS

In the right triangle PST

$sin(48\°)=\frac{PT}{PS}$ ---> opposite side angle of 48 degrees divide by the hypotenuse

substitute the given values

$sin(48\°)=\frac{8}{PS}$

Solve for PS

$PS=\frac{8}{sin(48\°)}$

$PS=10.77\ units$

step 2

Find the length TS

In the right triangle PST

$cos(48\°)=\frac{TS}{PS}$ ---> adjacent side angle of 48 degrees divide by the hypotenuse

substitute the given values

$cos(48\°)=\frac{TS}{10.77}$

Solve for TS

$TS=cos(48\°)(10.77)$

$TS=7.21\ units$

step 3

Find the perimeter

$P=PT+PS+TS$

we have

$PT=8\ units$

$PS=10.77\ units$

$TS=7.21\ units$

substitute

$P=8+10.77+7.21=25.98\ units$

4 0

3 years ago