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madreJ [45]
3 years ago
7

ROUND 287 TO THE NEAREST TEN

Mathematics
2 answers:
viktelen [127]3 years ago
8 0
290 thats your answer

garri49 [273]3 years ago
3 0
290 is the answer. I hope this helped you!

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Select all of the following that are quadratic equations.
kifflom [539]
A quadratic equation is one in which the highest exponent of x is 2.
7x^2+14x=0 is quadratic; the highest exponent is 2.
x³-3x²+1=0 is NOT quadratic.  The highest exponent of x is 3, not 2.
5x-7=0 is NOT quadratic.  The highest exponent of x is 1, not 2.
x²+3x-5=0 is quadratic; the highest exponent of x is 2.
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5 0
3 years ago
How to do this question plz answer my question step by step plzz plz plz plz ​
never [62]

Answer:

40°, 95°, 105°, and 160°

Step-by-step explanation:

Let the smallest angle be x.

Measures of the 3 angles can be expressed as:

x + 55

x + 65

x + 120

The sum of all angles in a quadrilateral = 360°.

Therefore, (x + 55) + (x + 65) + (x + 120) = 360

Solve for x

x + 55 + x + 65 + x + 120 = 360

3x + 240 = 360

3x + 240 - 240 = 360 - 240

3x = 120

\frac{3x}{3} = \frac{120}{3}

x = 40

The smallest angle = 40°

Plug in the value of x in the earlier stated expressions to find the measure of the other angles:

x + 55 = 40 + 55 = 95

x + 65 = 40 + 65 = 105

x + 120 = 40 + 120 = 160

3 0
3 years ago
Can someone help me with this please
HACTEHA [7]

Answer:

Upward, x intercept is (2,0) , y intercept is (0,1), axis of symmetry is 2, vertex is (2,0)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Please help me, Identify each pair of angles named below as adjacent angles or vertical angles.
jarptica [38.1K]

Adjacent angles:

-ADB and BDC

-BDC and CDE

-CDE and EDF

-FDG and GDA

-GDA and ADB

Vertical angles:

-GDA and CDE

-FDE and ADB

-GDF and BDC

Hope this helps! :)

5 0
3 years ago
Pls help on #9 ASAP. thank you. I’ll give u as much points as i can ♡
Alinara [238K]
A. X> lobsters 
7 + x <= 18
X <= 11 lovsters. 

B. (7+3+10)
x= additional lobsters 
10 + x <= 24 
x<= 14 lobsters

C. 24/4 = 6 lobsters

Hope this helps.

6 0
3 years ago
Read 2 more answers
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