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sp2606 [1]
3 years ago
6

90 plus what equals 395

Mathematics
2 answers:
rodikova [14]3 years ago
5 0
305 plus 90= 395. Found by doing 395-90
Luba_88 [7]3 years ago
4 0
305! Just add the ninety!
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What is the value of x in the equation 3x-1/9y=18, when y=27?
natulia [17]

Hi Vanessa


3x -1/9 (27) =18

3x - 27/9 =18

3x- 3 =18

Add 3 to both sides

3x-3+3=18+3

3x=21

Divide both sides by 3

3x/3= 21/3

x= 7

The value of x is 7


Now let's check if my answer is correct

To check it we gonna replace x by 7 and 27 for y

(3)(7) -1/9 (27) = 18

21 -1/9 (27)=18

21- 27/9 = 18

21- 3 = 18

18 = 18


The answer is good and I hope its help:0

5 0
3 years ago
HELPPP!!!
xxMikexx [17]

The angles ∠CFE and ∠AFB are vertically opposite angles. Then the value of x will be 6.

<h3>What is an angle?</h3>

Angle is the space between the line or the surface that meets.  And the angle is measured in degree. For complete 1 rotation, the angle is 360 degrees.

Vertically opposite angle - When two lines intersect, then their opposite angles are equal.

We know that the angle ∠DFE is 90°.

Then the sum of the angle ∠CFD and ∠DFE will be

∠CFD + ∠DFE = 27° + 90°

∠CFD + ∠DFE = 117°

Then the angles ∠CFE and ∠AFB are vertically opposite angles. Then we have

∠CFD = ∠DFE

Put the values

21x - 9 = 117

    21x = 126

        x = 6

More about the angled link is given below.

brainly.com/question/15767203

#SPJ1

8 0
2 years ago
In AWXY, WY is extended through point Y to point Z, m_YW X = (2x + 12),
Alja [10]

Answer:

Sum of two interior angles=exterior angle

\\ \sf\longmapsto 2x+12+2x+5=7x-1

\\ \sf\longmapsto 4x+17=7x-1

\\ \sf\longmapsto 3x=18

\\ \sf\longmapsto x=6

Done!

4 0
2 years ago
This is a math question from highschool (LOOK AT PICTURE)​
Murljashka [212]

Answer: The answer is 12q-1/2

Step-by-step explanation:

4 0
2 years ago
5tanx-2cotx+1=0...... .
Verdich [7]

Step-by-step explanation:

5(tanx)^2 -2 +tanx=0

let tanx=y

5y^2 + y-2=0

y=0.5403 or y= -0.7403

tanx=0.5403

x=arctan(0.5403)

x=28.38°

or

tanx=-0.7403

x=arctan(-0.7403)

x=143.49°

7 0
3 years ago
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