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SSSSS [86.1K]
3 years ago
5

2/5 + r = 1 and 4/5 What is r?

Mathematics
1 answer:
MariettaO [177]3 years ago
7 0
Answer- r= 7\5 hope this helps!!
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Can you help meee get this ?
nikdorinn [45]

Answer: y=4/5x-2 or y=4/5x+(-2)

Step-by-step explanation:

The formula for slope-intercept form is y=mx+b.

To find the slope, we can use the formula m=\frac{y_{2}-y_{1}  }{x_{2}-x_{1}  } and plugging in the points given.

m=\frac{6-2}{10-5} =\frac{4}{5}

We know our slope is 4/5. We can plug this into our slope-intercept form and then plug in a point to find b, y-intercept.

y=\frac{4}{5} x+b

2=\frac{4}{5}(5)+b

2=4+b

b=-2

We know the y-intercept is -2.

THe final equation is y=4/5x-2 or y=4/5x+(-2).

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4 years ago
Find the measure of the numbered angle formed by a secant segment and tangent.
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The rule is that the angle is half the measure of the intercepted arc.  So it's 110.
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3 years ago
Write a number sentence that compares 58,219 and 58,231
professor190 [17]

Answer:

<em>58,219 < 58,231</em>

Step-by-step explanation:

58,219 is less than 58,231, so the sentence is

58,219 < 58,231

8 0
3 years ago
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3 years ago
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Three oblique pyramids have the same regular square base. Which one has a volume of 15 cubic units if the area of the bases are
deff fn [24]

Answer:

The one which has a height of 3 units. H=3

Step-by-step explanation:

Well, the volume of pyramid is equal to the area of base multiply by the height of pyramid and divide by 3. Writing as a formula it can be expressed as V=(A*H)/3 where V is volume of pyramid, A is area of base and H is the height of pyramid. If V=15 cubic units and A=15 square units, H should be equal to 3 (to be cancelled out by 3. Please look at formula above) in order to make V=15.

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3 years ago
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