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4 years ago

Last question and im not sure how to solve it?? pls help

Mathematics

1 answer:

kotegsom [21]4 years ago

5 0

Height of the rock wall is 52.2 ft.

<u>Step-by-step explanation:</u>

These two triangles are similar, so using the similarity ratio, we can write as,

Δ HTV ~ Δ JSV

Now we can write the ratio as,

HT/TV = JS/SV

5.8/4 = x/36

Rearranging the equation to get x as,

x = 36 × 5.8 /4

= 52.2 ft

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What is the reciprocal of 6/5

Setler [38]

Switch numerator and denominator:

5/6

Or technically, what number do you multiply that number by in order to get an answer of 1?

For example, the reciprocal of 2 is 1/2 because 2 x 1/2 = 1.

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3 years ago

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There are 14 cows in a herd that are brown .This number represents 20% of the total number of the cows in the herd . How many to

denpristay [2]

Answer:

There are a total of 70 cows in the herd.

Step-by-step explanation:

Represent the total number of cows by c. Then 0.20c = 14, and

c = 14/0.20 = 70.

There are a total of 70 cows in the herd.

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3 years ago

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If an airplane in a 1/4in. Scale drawing is 5in. Long, how long is the actual airplane?

dsp73

Answer:

20 in

Step-by-step explanation:

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3 years ago

Which graph shows the solution set of the compound inequality 1.5 x minus 1 greater-than 6.5 or 7 x + 3 less-than negative 25?

saul85 [17]

Answer:

After solving the compound inequality $1.5x-1>6.5 \ or \ 7x+3$ we get $\mathbf{x>5 \ or \ x$

Option B is correct.

Step-by-step explanation:

We are given compound inequality: $1.5x-1>6.5 \ or \ 7x+3$

We will first solve the inequalities to find the value of x, then will draw the graph.

$1.5x-1>6.5 \ or \ 7x+36.5+1 \ or \ 7x+3-37.5 \ or \ 7x\frac{7.5}{1.5} \ or \ x5 \ or \ x< -4$

So, after solving the compound inequality $1.5x-1>6.5 \ or \ 7x+3$ we get $\mathbf{x>5 \ or \ x$

Now, the number line will be as shown in figure.

The description as given in options is:

A number line goes from negative 10 to positive 10. An open circle appears at negative 4 and positive 5. The number line is shaded from negative 4 toward negative 10. The number line is also shaded from positive 5 toward positive 10.

so, Option B is correct.