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Shkiper50 [21]
3 years ago
7

What is the answer for 3{5[10+5(500-100)+399]}

Mathematics
2 answers:
STALIN [3.7K]3 years ago
7 0
Handle 500-100 first. That brings it to 3{5[10+5(400)+399]}. then Handle 5(400). That brings you to 3{5{10+2,000+399]}. next handle all the addition. That brings you to 3[5(2,409)]. Next, configure 5(2409). That gives you 3(12045). Then do that one which ends as 36,135 for a final answer.qx
notka56 [123]3 years ago
5 0
Okay. Handle 500-100 first. That brings it to 3{5[10+5(400)+399]}. Next, Handle 5(400). That brings you to 3{5{10+2,000+399]}. Then handle all the addition. That leads to 3[5(2,409)]. Next, configure 5(2409). That leads to 3(12045). Then do that one which ends as 36,135 for a final answer.
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An airplane needs to head due north, but there is a wind blowing from the northeast at 50 km/hr. The plane flies at an airspeed
laiz [17]

Answer:\theta =2.415^{\circ}

Step-by-step explanation:

Using vector method to solve it

Resultant can be given by

R^2=700^2+40^2+2\times 700\times 40cos135

R^2=450,408

R=671.12 Km/hr

The angle made by resultant with 700 km/hr is \theta

using sine rule

\frac{40}{sin\theat }=\frac{R}{sin45}

sin\theta =0.0421509

\theta =2.415^{\circ}

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Jill is standing at the base of her apartment building. She measures the angle of elevation to the top of a nearby tower to be 4
Helga [31]

Answer:

1) From the measure of 40°, you can write:

tan(40°) = 100/x, where x is the base from the building to the tower

⇒x=100/tan(40°) = 119,18 m

2) From the measure of 30°, you can write

tan(30°) = y / 119,18, where y is the height from the roof of Jill's building to the top of the tower.

Then, y = tan(30°) * 119,18 = 68,81 m

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Step-by-step explanation:

7 0
2 years ago
He truck is rented at $40 per day plus they charge per mile of use the truck travel 15 miles in one day and the total charge was
Allushta [10]

Answer:

115 = 15 x + 40

the charge is $5 dollars per mile

Step-by-step explanation:

He truck is rented at $40 per day plus they charge per mile of use the truck travel 15 miles in one day and the total charge was 115

LEt x  be  the charge in dollars per hour

Initial charge is 40 and 15 miles travelled  in one day

total charge = 15x + 40

Given : total charge is 115

So the equation becomes

115 = 15 x + 40

Now we solve for x

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75= 15 x

Divide both sides by 15

x= 5

so , the charge is $5 dollars per mile

7 0
3 years ago
Read 2 more answers
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