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liq [111]
3 years ago
7

How do I show the work of twenty plus x plus forty five plus ninety

Mathematics
2 answers:
avanturin [10]3 years ago
4 0

Answer:

20 + x +45 + 90

Step-by-step explanation:

Juliette [100K]3 years ago
4 0

Answer.

Add 20 to 45 you should get 65. Add 65 to 90 you should get 155. Your final product should be: 20 + 45 = 65. 65 + 90 = 155

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A fighter tank targets an enemy helicopter flying at an altitude of 1250 ft. If the ground
madam [21]

By using trigonometric relations, we will see that the angle of elevation must be 55°.

<h3>How to find the angle of elevation?</h3>

We can see this as a right triangle, where one cathetus measures 1250ft (altitude) and the other cathetus measures 875ft.

The angle of elevation is the angle such that the adjacent cathetus is the one measuring 875ft.

Then we can use the relation:

tan(a) = (opposite cathetus)/(adjacent cathetus)

tan(a) = 1250ft/875ft

To find the angle of elevation, we can use the inverse tangent function:

a = Atan(1250ft/875ft) = 55°

The angle of elevation must be 55 degrees.

If you want to learn more about right triangles:

brainly.com/question/2217700

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7 0
1 year ago
Find the vector, not with determinants, but by using properties of cross products. k × (i − 3j)
sergey [27]
\mathbf k\times(\mathbf i-3\mathbf j)=(\mathbf k\times\mathbf i)-3(\mathbf k\times\mathbf j)
=\mathbf j-3(-\mathbf i)
=3\mathbf i+\mathbf j
3 0
3 years ago
How do you solve 15 less than or equal to <br> 3 - 4s
nordsb [41]

Answer:

-3 is greater than or equal to s

Step-by-step explanation:

subtract 3 on both sides

then get s by itself by dividing by -4 on both sides (bc you are dividing by a negative the sign flips)

3 0
3 years ago
Use the formula for the amount, a = p(1 + rt), to find the indicated quantity.
Alexeev081 [22]

a= p(1+rt)

a= $4,100(1+12%×2×0.25)

a= $4,100×(1+6%) 100%=1 -> 6%= 0,06

a= $4,100×1,06

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2 years ago
A rectangle is 12 m longer than it is wide. It’s perimeter is 68m. Find its length and width?
BabaBlast [244]

Answer:

Length: 23m

Width: 11

Step-by-step explanation:

68-24=44

44÷4=11

11+12=23

23+23=46+11=57+11=68

6 0
2 years ago
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