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slava [35]
3 years ago
11

Help please, i don’t understand this question

Mathematics
1 answer:
trasher [3.6K]3 years ago
5 0
The answer is 26-58
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write an equation in point-slope form and slope-intercept form for a line that passes through points (3,-6) and (-1,2)?
KonstantinChe [14]

y  = 3x + 5
y - 2 = 3(x + 1)
3 0
3 years ago
Emma ran 3 1/2 km while Grace ran 380 m who ran further
blagie [28]

Answer:

  Emma

Step-by-step explanation:

Emma ran (3 1/2)×(1000 m) = 3500 m compared to Grace's 380 m. 3500 m is farther, so Emma ran farther.

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4 years ago
What is the height of a trapezoid with a area of 79.2 and bases 4.2 and 9
julsineya [31]
The answer to this problem is 12. If you want me to write it out I can
8 0
3 years ago
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O is the centre of the circle and ABC and EDC are rangers to the circle. Find the side of angle BCD. You must give reason in you
AleksandrR [38]

Every line from the tangent to the centre is 90°. This is said in the circle theorems.

So angle OBC and ODC are 90°.

angle O is twice the size of angle F. This is another circle theorem.

Therefore angle O is 152°.

The quadrilateral of ODBC would equal to 360°. Which means 90° + 90° + 152° = 332°

360° - 332° = 28°.

The answer is 28°

4 0
3 years ago
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Which polygon has interior angles whose sum is 1440°? octagon nonagon decagon 11-gon
ArbitrLikvidat [17]

Answer:

Decagon

Step-by-step explanation:

We can use the general equation to determine the sum of interior angles:

I.A. = 180 \times (n-2)

Since we know the sum of interior angles (I.A.) is 1440°, we must figure out n - the number of sides and so:

1440=180(n-2)\\\\\frac{1440}{180}=n-2\\\\8=n-2\\\\n=10

Since n=10 this means that it is a 10 sided shape meaning it's a decagon.

5 0
3 years ago
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