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Elina [12.6K]
3 years ago
11

BD=16 and ÁT is the perpendicular bisector of BD. Y=?

Mathematics
1 answer:
iren2701 [21]3 years ago
8 0

Answer:

y= 5

Step-by-step explanation:

Given

BD = 16

BC = 2y - 2

CD = y + 3

Required

Find y

BD = BC + CD

So, the expression becomes

16 = 2y - 2 + y + 3

Collect like terms

16 = 2y  + y- 2 + 3

16 = 3y+1

Collect like terms

3y = 16 - 1

3y = 15

Make y the subject

y= 15/3

y= 5

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Find the value of c so that the polynomial p is divisible by (x+2)
alexandr1967 [171]

Answer:

The value of c is 8.

Step-by-step explanation:

When a function is divisible by a factor, it will get 0 value. So, you have to substitute x = -2 into p(x) and equals to 0 :

p(x) = 4 {x}^{3}  + c {x}^{2}  + x + 2

p( - 2) = 4 {( - 2)}^{3}  + c {( - 2)}^{2}  + ( - 2) + 2

4( - 8) + 4c - 2 + 2 = 0

- 32 + 4c = 0

4c = 32

c = 32 \div 4

c = 8

3 0
3 years ago
Please help me I don't know how to do it
poizon [28]
Findd total collected
add everybody
fri+sat+sun+mon=
21+5 and 5/6+2.75+4 and 5/8
add what you can
21+5+2.75+4+5/6+5/8=
28.75+5/6+5/8
add the fractions by making denom same
5/6+5/8=20/24+15/24=35/24=1 and 9/24=1 and 3/8
28.75+1 and 3/8=29.75+3/8
that is how many barels total
times 205 since that is how many litesr in each bottle
205 times (29.75+3/8)=
205*29.75+205*(3/8)=
6098.75+76.875=
6175.625

29/30 is lost

1//30 remains
9175.625 times 1/30 (aka divided by 30)=205.854166666666666 litesr
205 bottles (and 0.85 partially full bottle)
3 0
3 years ago
Sasha runs 8 miles on Thursday, then runs 8 more miles on Friday, she ran 1/2 mile on Saturday. hHOW MANY MILES DID SHE RUN? PLE
Over [174]

Answer:

16 1/2 miles

Step-by-step explanation:

3 0
3 years ago
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galina1969 [7]

The answer to this question is B

5 0
3 years ago
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calculate gas mileage of car that drives 283 miles on 12.3 gallons of gas andround to nearest tenth of a mpg
Studentka2010 [4]
283 divided by 12.3 = 23.008 and rounded it will just be 23.
5 0
2 years ago
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