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Tema [17]
3 years ago
12

Please help I need to to know the answer to the nearest meter

Mathematics
1 answer:
Lynna [10]3 years ago
4 0

Answer:

207m

Step-by-step explanation:

We apply the cosine rule to find the distance between the other two subs.

Let this distance be x, then the cosine rule gives:

{x}^{2}  =  {360}^{2}  +  {250}^{2}  - 2 \times 360 \times 250 \cos(34)

We simplify to get:

{x}^{2}  = 192100 - 180000(0.8290)

Simplify

{x}^{2}  =42873.2369

Take square root;

x =  \sqrt{42873.2369}

x = 207.06

To the nearest meter the distance between them is 207m

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12. Which of the following pairs of numbers contains like fractions?
stepladder [879]
So will be choice D.

bc. 5/6 = 10/12 = 2*5/2*6 = 5/6
4 0
3 years ago
If ( 43.65 ) ( 8.79 ) / x = ( 0.4365 ) ( 87.9 ) then value of x is:
strojnjashka [21]

Answer:

  (d)  10

Step-by-step explanation:

Multiply by x and divide by its coefficient:

  (43.65)(8.79) = (0.4365)(87.9)x

  (43.65)(8.79)/((0.4365)(87.9)) = x

At this point, any calculator can give you the answer. It is, perhaps, more satisfying to work out the answer without a calculator.

  x = (43.65)/(0.4365) × (8.79)/(87.9)

In the first quotient, the numerator is 100 times the denominator; in the second, the denominator is 10 times the numerator.

  x = (100) × (1/10) = 100/10

  x = 10

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Moving the decimal point to the right 1 place multiplies the numerical value by 10.

5 0
3 years ago
A line contains the points (82, −96) and (87, −86). what is the slope of the line in simplified form?
True [87]
-96-(-86)     -10     -2
------------=  ------= -----= -2
  82-87        -5        1
3 0
3 years ago
Which situation represents a proportional relationship?
Natalka [10]

Answer:

B) Jack biked 5 miles in 25 minutes and 8 miles in 40 minutes.

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y=kx

The ratio between the two variables is a constant called constant of proportionality k

k=y/x

<u><em>Verify each case</em></u>

A) Julie sold 4 necklaces for $12 and 9 necklaces for $25.

\frac{4}{12}=\frac{9}{25}

Multiply in cross

4(25)=9(12)\\100\neq108

Is not true

therefore

The situation not represent a proportional relationship

B) Jack biked 5 miles in 25 minutes and 8 miles in 40 minutes.

\frac{5}{25}=\frac{8}{40}

Multiply in cross

5(40)=8(25)\\200=200

Is true

therefore

The situation represent a proportional relationship

C) Larry packed 24 apples in 6 boxes and 46 apples in 9 boxes

\frac{24}{6}=\frac{46}{9}

Multiply in cross

24(9)=46(6)\\216\neq276

Is not true

therefore

The situation not represent a proportional relationship

D) Allie put 14 pieces of candy in 2 bags and 30 pieces of candy in 4 bags

\frac{14}{2}=\frac{30}{4}

Multiply in cross

14(4)=30(2)\\56\neq60

Is not true

therefore

The situation not represent a proportional relationship

7 0
3 years ago
  5x + 11 = – 45 x + 11 = 2 - 4 ​
ANEK [815]

-45x-5x=11-11=2-4

Step-by-step explanation:

-50x = -2

-50/-2 = x

25=x

x=25

7 0
2 years ago
Read 2 more answers
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