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Kryger [21]
3 years ago
10

5d-7-d+4 pls help asap just solve it pls brainlest for the best

Mathematics
2 answers:
olchik [2.2K]3 years ago
6 0

Answer:

=4d-3

Step-by-step explanation:

5d-7-d+4

=4d-7+4

=4d-3

i hope this helps, all you have to do is collect like terms and simplify :)

emmainna [20.7K]3 years ago
5 0

Answer:

4d - 3

Is your simplified expression

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Tatiana is practicing shooting. The coordinates (in m) of the barrel of her gun and the target are (5, 3, 1) and (38, 41, 3). Wh
saul85 [17]

Answer:

d=\sqrt{2,537}\ m   or  d=50.37\ m

Step-by-step explanation:

we know that

the formula to calculate the distance between two points in three dimensions is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}+(z2-z1)^{2}}

Let

A(5,3,1)  -----> coordinates of the barrel of her gun

B(38,41,3)  -----> coordinates of the target

substitute the values

d=\sqrt{(41-3)^{2}+(38-5)^{2}+(3-1)^{2}}

d=\sqrt{(38)^{2}+(33)^{2}+(2)^{2}}

d=\sqrt{1,444+1,089+4}

d=\sqrt{2,537}\ m

d=50.37\ m

7 0
3 years ago
Please answer the question correctly and with a good explanation. Please and thank you
Angelina_Jolie [31]

Answer:

48

Step-by-step explanation:

To calculate the area of a composite shape you must divide the shape into rectangles, triangles, or other shapes you can find the area of and then add the areas back together. You may have to calculate missing lengths before finding the area of some of the shapes.

I split it into a square and a trapezoid

The area of the square is 6x5 = 30

The area of the trapezoid is

A=a+b

2h=3+6

2·4=18

So add the area together

30+18= 48

8 0
2 years ago
What is the arc length of the subtending arc for an angle of 72 degrees on a circle of radius 4?
Nesterboy [21]
We know that

[the length of a circumference]=2*pi*r
for r= 4 units
[the length of a circumference]=2*pi*4--------------> 25.12 units

if a  full circle (360°) has a length---------------------> 25.12 units
 arc for an angle of 72 °---------------------------> X
X=72*25.12/360------------> 5.024 units

the answer is 
<span>the length of the subtending arc for an angle of 72</span>° is 5.024 units
4 0
3 years ago
4 to 8 = 15 to n Can someone show me the answer
melamori03 [73]

Answer:

n=30

Step-by-step explanation:

4         15

------ = --------

8           n

using cross products

4n = 8*15

4n = 120

divide by 4

4n/4 =120/4

n = 30

6 0
3 years ago
Molly and Arthur are taking their daughter Ginny on a roller coaster ride. For safety, they need to find their total weight befo
ruslelena [56]

Answer:

This is weirdly written, but let's try to solve it:

M is the mass of Molly

A is the mass of Arthur

G is the mass of Ginny.

We can represent the weight as:

(M + A) + G

or as:

A + (G + M)

the first situation shows that Molly and Arthur are weight together (this is why their weight is shown as only one), and then they weight Ginny alone.

The second situation shows that Arthur is weight alone, and Ginny and Molly are weight together (this is why their weight is written as only one)

3 0
3 years ago
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