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dolphi86 [110]
3 years ago
6

BRAINLIEST if answered and up to 50 points. 1-3

Mathematics
2 answers:
Fynjy0 [20]3 years ago
5 0

Answer:

You mean the type of solution? or what x equals to?

Step-by-step explanation:

Helen [10]3 years ago
4 0

Answer:

are there any options or...

Step-by-step explanation:

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How do I convert this into standard form ? <br> y=-2(x-5)(x+3)
Mice21 [21]

Answer:

multilple

Step-by-step explanation:

6 0
3 years ago
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If a triangular pyramid has a base area of 10ft and a height of 6ft, what is the volume?
arlik [135]

Answer: 20 ft³

Step-by-step explanation:

volume of triangular pyramid = \frac{1}{3} bh

  • b = base area = 10 ft
  • h = height = 6 ft

Therefore, the volume is:

\frac{1}{3} *10*6=\frac{1}{3}*60=\frac{60}{3}=20

4 0
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What are the endpoint coordinates for the midsegment of △BCD that is parallel to BC¯¯¯¯¯?
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The perfect person does not ex---False

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3 years ago
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Solve for x. 18 ÷ x = -2
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Step-by-step explanation:

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8 0
2 years ago
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1) Given: circle k(O), ED= diameter ,m∠OEF=32°, m(arc)EF=(2x+10)° Find: x
qaws [65]

1. The major arc ED has measure 180 degrees since ED is a diameter of the circle. The measure of arc EF is (2x+10)^\circ, so the measure of arc DF is

m\widehat{DF}=360^\circ-180^\circ-(2x+10)^\circ=(170-2x)^\circ

The inscribed angle theorem tells us that the central angle subtended by arc DF, \angle DOF, has a measure of twice the measure of the inscribed angle DEF (which is the same angle OEF) so

m\angle DOF=2m\angle OEF=64^\circ

so the measure of arc DF is also 64 degrees. So we have

170-2x=64\implies106=2x\implies\boxed{x=53}

###

2. Arc FE and angle EOF have the same measure, 56 degrees. By the inscribed angle theorem,

m\angle EOF=2m\angle EDF\implies56^\circ=2m\angle EDF\implies m\angle EDF=28^\circ

Triangle DEF is isosceles because FD and ED have the same length, so angles EFD and DEF are congruent. Also, the sum of the interior angles of any triangle is 180 degrees. It follows that

m\angle EFD+m\angle EDF+m\angle DEF=180^\circ\implies\boxed{m\angle EFD=76^\circ}

Triangle OFE is also isosceles, so angles EFO and FEO are congruent. So we have

m\angle EFO+m\angle FEO+m\angle EOF=180^\circ\implies\boxed{m\angle EFO=62^\circ}

7 0
3 years ago
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