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kondor19780726 [428]
1 year ago
9

The slope of line m is -8 which of the following are perpendicular to line m ? Select all that apply.

Mathematics
1 answer:
algol [13]1 year ago
3 0

Answer:

2x-16y=24

x-8y=5

Step-by-step explanation:

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A rectangle or prism has a volume of 60 cm³ a height of 3 cm the length of 5 cm what is the width of the prism
igomit [66]

Answer:

                                                                                             

Step-by-step explanation:

6 0
2 years ago
Pls pls pls pls help yall pls
Afina-wow [57]

1: w = 16

2. r = 14

3. e = 60

4. 25x+15

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A car traveling at 88 km an hour over takes a bus traveling at 64 km an hour if the bus has a 1.5 hour Headstart how far from th
PIT_PIT [208]

Answer: 352 miles

Step-by-step explanation:

At the point where the car overtook the bus, the car and the bus would have travelled the same distance.

Let x represent the distance covered by bus and the car before the car overtook the bus.

Let t represent the time taken by the bus to travel x miles.

The bus was traveling at 64 km an hour.

Distance = speed × time

Distance travelled by the bus in t hours would be

x = 64 × t = 64t

if the bus has a 1.5 hour Headstart, it means that the car started moving 1.5 hours after the bus has moved.

Therefore, time spent by the car would be t - 15 hours.

The car traveling at 88 km an hour

Distance covered by the car in t - 1.5 hours would be

x = 88(t - 1.5) = 88t - 132

Since the distance covered is equal, then

88t - 132 = 64t

88t - 64t = 132

24t = 132

t = 132/24

t = 5.5 hours

Therefore, the distance from the starting point when the car overtook the bus would be

x = 64 × 5.5 = 352 miles

3 0
3 years ago
In isosceles $\triangle abc$ (with $ab = ac$), point $d$ lies on $ab$ such that $cd = cb$. if $\angle adc = 115^\circ$, what is
Nuetrik [128]

1. Angles ADC and CDB are supplementary, thus

m∠ADC+m∠CDB=180°.

Since m∠ADC=115°, you have that m∠CDB=180°-115°=65°.

2. Triangle BCD is isosceles triangle, because it has two congruent sides CB and CD. The base of this triangle is segment BD. Angles that are adjacent to the base of isosceles triangle are congruent, then

m∠CDB=m∠CBD=65°.

The sum of the measures of interior angles of triangle is 180°, therefore,

m∠CDB+m∠CBD+m∠BCD=180° and

m∠BCD=180°-65°-65°=50°.

3. Triangle ABC is isosceles, with base BC. Then

m∠ABC=m∠ACB.

From the previous you have that m∠ABC=65° (angle ABC is exactly angle CBD). So

m∠ACB=65°.

4. Angles BCD and DCA together form angle ACB. This gives you

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Answer: 15°.

3 0
3 years ago
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How does the volume of a cylinder change if the radius is quadrupled and the height is reduced to a third of its original size?
vredina [299]
Oh yay, proportional thinking! (Vicious sarcasm). Alright, let's do this:

<span>Volume of the cylinder = </span><span>π(h)r^2
New volume = </span><span>π(h/3)(4r)^2
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=(16/3)</span><span>π(h)r^2

Therefore, it's D. Though it's spelled pi, and you should really use the ^ symbol. </span>
8 0
3 years ago
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