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Wewaii [24]
3 years ago
5

What is the value of 28 tens?

Mathematics
1 answer:
Vladimir [108]3 years ago
5 0
The value would be 280
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Help me pls if you do bless your soul
Umnica [9.8K]

Answer:

x = 73.17

Step-by-step explanation:

To solve this problem we are going to have to use trig function

The three main trig functions are

Sine = Opposite / Hypotenuse

Cosine = Adjacent / Hypotenuse

Tangent = Opposite / Hypotenuse

( where hypotenuse = longest length , opposite = side length opposite of angle and adjacent = other side length )

Here, we are given two side lengths and we want to find an angle.

We are given the hypotenuse and its adjacent ( we know this because we are not given its opposite )

When you have the adjacent and hypotenuse you use cosine.

So we have Cos"x" = adj / hyp

adj = 22 and hyp = 76

So Cos"x" = 22/76

==> take the inverse of cos to both sides

x = 73.17 ( rounded to the nearest hundredth )

and we are done!

6 0
2 years ago
How to solve, -1.2x - 6.5x less than or equal to 2.3x + 5
Hitman42 [59]

-1.2x - 6.5x ≤ 2.3x + 5

-7.7x ≤ 2.3x + 5

≤ 10x + 5

-5 ≤ 10x

-1/2 ≤ x

x ≥ -1/2

4 0
3 years ago
What is the quotient? 2y2-6y-20/4y+12
MrMuchimi

Answer:

last 4rd

Step-by-step explanation:

3 0
3 years ago
Triangles ABC and EDC are outlined on a bridge. The triangles share vertex C and angles D and B are right angles. A new bridge s
dexar [7]

CHECK THE ATTACHED FIQURE FOR THE BRIDGE

Answer:

60 ft

Step-by-step explanation:

From the question we know that triangles ABC and EDC are in a 1:1 with this given ratio it implies that

triangles ABC and EDC are congruent then we can say

side EC = side AC

3x + 9 = 5x - 5

Then we can simplify to know value of x

3x + 14= 5x

2x = 14

x = 7

But we know that AC= 5x - 5 , then substitute value of x into it

AC = 5x + 5 = 5(7) - 5

= 35 - 5

AC= 30 ft

Also EC= 3x + 9 then substitute value of x into it

EC = 3x + 9 = 3(7) + 9

= 21 + 9

EC= 30 ft

Then the the distance between the top and bottom of the bridge, in feet, = EC+AC

= 30 + 30 = 60 ft

4 0
3 years ago
Find the sum of the first 6 terms of the following series, to the nearest integer.
natka813 [3]

Answer:

1008

Step-by-step explanation:

geometric sequence:

a=16

r=32/16=2

Sum of GS:

s=a(1-r^n)/(1-r)

S(6)=16(1-2^6)/(1-2)

=1008

8 0
3 years ago
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