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Dvinal [7]
3 years ago
12

Help me on the last two

Mathematics
1 answer:
Elanso [62]3 years ago
7 0
6.5 is suppose to be on the inside of the radical sign.
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Solve for x 5x 2^3x = 21
GenaCL600 [577]
If u meant to put, 5x multipled by 2^3x=21 the answer is x= 0.798
5 0
2 years ago
Please show work for both problems
sukhopar [10]

(1) The value of x is 25

(2) The measure of ∠CBD is 60°

Explanation:

(1) The given two angles are vertical angles. Since, vertical angles are equal, we can add the two angles to determine the value of x.

Thus, we have,

5x+15=6x-10

Subtracting 5x from both sides, we have

15=x-10

Adding 10 to both sides , we have,

25=x

Thus, the value of x is 25.

(2) It is given that the measure of ∠ABC = (x+7)° and ∠CBD = (2x+14)°

Since, these two angles are supplementary angles and supplementary angles add upto 90°

Thus, we have,

2x+14+x+7=90

Simplifying, we get,

3x+21=90

       3x=69

         x=23

Thus, substituting the value of x in ∠CBD = (2x+14)° to determine its value.

2x+14=2(23)+14=46+14=60

Thus, the measure of ∠CBD is 60°

5 0
3 years ago
All of the following are examples of composite numbers except which one?
Nataly [62]
<span>All of the following are examples of composite numbers except which one?

2.</span>
5 0
3 years ago
A baseball hat for $22.90 at 5% sales tax
vovikov84 [41]
I think it's $21.75 with tax
5 0
3 years ago
Read 2 more answers
Bryan has a square parcel of land that is 120 yards long and 120 yards wide. The land is planted with Bermuda grass and surround
Mekhanik [1.2K]
The diagonal fencing will be the hypotenuse of a right triangle with sides 120yds long so:

h=√2(120^2))

h=√28800 yd

And the surrounding fencing will just be four times the side length of 120yds so:

s=480yd

So the total fencing needed is:

f=480+√28800 yards

f≈649.71 yd  (to nearest hundredth of a yard)  which is

f≈650 yds  (to nearest whole yard)

But, I wasn't sure, if they just want the diagonal fencing needed then it is just:

f=√28800

f≈170 yds  (to nearest yard)


6 0
3 years ago
Read 2 more answers
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