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Lisa [10]
2 years ago
14

Line has equation 3x + y = 15 Find the gradient of the line.

Mathematics
1 answer:
inessss [21]2 years ago
5 0

Answer:

  -3

Step-by-step explanation:

We can add -3x to put the equation into slope-intercept form.

  y = -3x +15

The gradient of the line (slope) is the coefficient of x: -3.

The gradient is -3.

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iVinArrow [24]

Answer:

1/32

Step-by-step explanation:

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What is the radian measure of an angle equal to 225 ? ​
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13. After Valentine's Day, boxes of chocolates go on sale and are marked down 10%. The
Anna007 [38]

Answer:

$27.00

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5 0
3 years ago
macy is trying to construct an isosceles triangle. She assigns and angle measurement of 40 degrees to the unique angle of the tr
Hitman42 [59]
Given that Macy wants to construct an isosceles triangle, with the unique angle being 40° it implies that for the triangle to be isosceles, the base angles should be the same. The size of the base angles will be:
(180-40)/2=70
given that that the base is 6 cm, Macy can only form 1 triangle with these dimensions.
The length of the other sides will be found using sine rule
a/sin A=b/sin B
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hence:
6/sin 40=b/sin 70
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3 0
3 years ago
If you spin the spinner below twice, what is P(vowel, then Q)? A. 1/10 B. 1/9 C. 2/9 D. 1/12 Answer correctly and I will give br
bagirrra123 [75]

Answer:

The probability of spinning a vowel, then Q, is 1/12

Step-by-step explanation:

Find the probability of each event occurring. There are three vowels out of 6 letters and 1 Q, so the chances of spinning a vowel is 3/6 or 1/2 and the chances of spinning a Q is 1/6. Multiply the probabilities of the two events occurring to find the probability of a compound event. 1/2*1/6 = 1/12. Hope this helps!

4 0
3 years ago
Read 2 more answers
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