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3 years ago

I need help fast .. Please answer quickly

Mathematics

1 answer:

nirvana33 [79]3 years ago

6 0

Answer:

False

Step-by-step explanation:

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The Hobbits are building a watchtower so they can prepare to battle in case trolls decide to attack them. One Hobbit will always

Kay [80]

Answer:

An explicit expression is equal to 3m/8

Step-by-step explanation:

we know that

Function T gives the time the Hobbits have to prepare for the attack, T(k), in minutes, as a function of troll's distance, k, in meters

$T(k)=\frac{k}{80}$

Function V gives visibility from the watchtower, V(m), in meters, as a function of the height of the watchtower, m, in meters

$V(m)=50m$

Find the composite figure $T(V(m))$

That will give the time the Hobbits have to prepare for the troll attack as a function of the height, m, of the watchtower

Substitute the variable k in the function T by the function V(m)

$T(V(m))=\frac{50m}{80}$

simplify

$T(V(m))=\frac{5m}{8}$

therefore

An explicit expression is equal to 3m/8

5 0

3 years ago

The sum of two numbers is 5.036. One number has a 4 in the tenths place and a 7 in the thousandths place. The other number has a

Nikitich [7]

3.407
1.629
These make 5.036.

5 0

3 years ago

Ivory created a scaled copy of rectangle A.

9966 [12]

The scale factor that Ivory used to create their scaled copy is;

Scale is 1 interval on graph represents 4 units of the rectangle. This is 1:4 ratio.

From the given image, we can see that the y-axis of the rectangle has 3 intervals while the x-axis has 1 intervals

Now, from the image, we are told that the area of the scaled copy is 48 square units.

What this means is that the area of the triangle she is trying to represent with that graph is 48 square units.

Now, if one interval of the graph is x-units, then it means;

length; y-axis = 3x units

width; x-axis = x units

Area of a rectangle is given by;

Area = Length × width

Thus;

3x * x = 48

3x² = 48

x² = 48/3

x² = 16

x = √16

x = 4

Thus, 1 interval on the graph represents 4 units of the rectangle.

Read more at; brainly.com/question/17182684

8 0

2 years ago

If a1 = 8 and an = an-1 + 5 then find the value of a5.

Nimfa-mama [501]

Step-by-step explanation:

A1=8

A2=A1+5 plug 8 into A1 here. After getting the value, put into next equation. And repeat until you get A5

A3=A2+5

A4=A3+5

A5=A4+5

5 0

3 years ago

Brainliest 25pts Bad answers = insta-report, if you dont understand dont answer the question. Must give statement and reason

Klio2033 [76]

9514 1404 393

Explanation:

We can find the slope by solving for y.

3x +2y +7 = 5x +3y +10

-2x -3 = y . . . . . . . . . . . . . add -5x-10-2y to both sides of the equation

In this form, the slope (m) is the coefficient of x, -2. Hence m = -2.

Alternate solution

A graph of the equation shows it has an x-intercept of -1.5 and a y-intercept of -3. The slope (m) is then "rise" divided by "run", or ...

m = rise/run = -3/1.5

m = -2

4 0

3 years ago