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Vlad [161]
3 years ago
7

Solve 4t(t - 5) - 2t(3t + 2) + 108 = 3t(2t - 5) -t (8t - 3) .​

Mathematics
2 answers:
rusak2 [61]3 years ago
8 0

Answer:

the answer is t=9

Step-by-step explanation:

hoped I helped:)

Studentka2010 [4]3 years ago
4 0

Answer:

t = 9

Step-by-step explanation:

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Evaluate the expression using the given value 3n+7,n=12
balandron [24]
3x12=36
36+7= 43

The answer is 43
6 0
1 year ago
A rectangular shelf with an area equal to x^2-16x+60 square units could have which possible dimensions for length and width
kenny6666 [7]

Answer:

Step-by-step explanation:

x²-16x+60

=x²-6x-10x+60

=x(x-6)-10(x-6)

=(x-6)(x-10)

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8 0
3 years ago
Suppose u · v = 0. Which vectors could represent u and v?
eduard

Answer: A. u = ⟨3, 4⟩ and v = ⟨4, –3⟩

Step-by-step explanation:

edge2020

5 0
3 years ago
Read 2 more answers
the number of blocks had 9 in the ones place. The number in the hundreds place is one more than the numbers in the tens place. T
Ray Of Light [21]
659 blooooooooocks lol (:


4 0
3 years ago
PLEASE HELP!!! I need the answer and the work to go along with it.
Masja [62]
----------------------------------------------------------------------------------------------------
Check the picture attached.

the secants of the circle, BA and DC, intersect at point P, as shown.

i)
let m(P)=a

ii)
let m(CDA)=b, then the measure of ar CA is 2b, as "the measure of an inscribed angle is half the measure of the arc it intercepts"

iii)
m(DAB)= m(P)+m(CDA)= a+b, as DAB is an exterior angle of the triangle PAD.

iv)
then the measure of arc DB is 2m(DAB)=2(a+b)=2a+2b

v)
m(P)= \frac{(2a+2b)-2b}{2}= \frac{m(DB)-m(CA)}{2}

This is always true,
----------------------------------------------------------------------------------------------------

In our problem, there is a slight difference, we have 1 secant and one tangent, but it is just a special case and nothing changes.

As an exercise, we can repeat the steps of the general proof, by first joining U and T.
----------------------------------------------------------------------------------------------------

by the theorem we just proved,

m(R)=(m(TU)-m(SU))/2

30°=(100°-m(SU))/2

60°=100°-m(SU)

m(SU)=40°

5 0
3 years ago
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