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Butoxors [25]
3 years ago
8

PLEASE PLEASE PLEASE HELP I WILL GIVE BRAINLIEST

Mathematics
2 answers:
Rasek [7]3 years ago
6 0

Answer:

well the person aboube me seemsright so ,,.. yeah!~

Step-by-step explanation:

Marat540 [252]3 years ago
4 0

Answer:

y >  6x -100  

Step-by-step explanation:

the slope intercept equation of the line is

y=mx+b

m is the slope = (y2-y1) / (x2-x1) so between the y-intercept (0,-100) and the given point (25, 50) we have m= -100-50/0-25 = -150/-25 = 6

y= 6x -100

now we have to figure the inequqlity part so take point (0, 0) that belongs to the solution and substitute in the equation

0 = 6*0 -100

0 = -100  for the equation to be true we have to make it 0 > -100, we also need to make it NOT greater or equal then because the line is doted not solid  so the inequality is

y >  6x -100  

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In △ABC, the altitudes from vertices B and C intersect at point M, so that BM = CM. Prove that △ABC is isosceles.
AlekseyPX

Answer:

m∠MBC=m∠MCB by reason base angle theorem

Step-by-step explanation:

3 0
2 years ago
Matthew uses this scale model of a design he plans to paint on a wall. He uses the key 1 cm = 2.5 ft. One gallon of paint will c
Alex787 [66]

Answer:

160 (not sure)

Step-by-step explanation:

400 / 2.5 = 160

160x1 = 160

4 0
3 years ago
Read 2 more answers
The Chang family is on their way home from a cross-country road trip. During the trip, the function D (t) = 3260 - 55t can be us
Lilit [14]

Answer:

See below.

Step-by-step explanation:

D(t) = 3260 - 55t

The function that shows their distance from home as a function of time shows that they started 3260 miles from home and are driving at 55 miles per hour.

part a:

D(12) = 3260  55(12)

D(12) = 3260 - 660

D(12) = 2600

Interpretation: After 12 hours of driving home, they are 2600 miles from home.

part b:

D(t) = 2490

3260 - 55t = 2490

-55t = -770

t = 14

Interpretation: When they are 2490 miles from home, they have driven for 14 hours.

5 0
3 years ago
Write an explicit formula for the sequence and find the 18th term.<br> -4, 12, -36...
Molodets [167]

Answer:

an = -4 * (-3)^ (n-1)

513560652

Step-by-step explanation:

We can find the common ratio

12/-4 = -3

r =-3

The explicit formula is

an =a1 r^(n-1)

an = -4 * (-3)^ (n-1)

We want the 18 th term

a 18 = -4 (-3) ^ 17

        513560652

4 0
3 years ago
Read 2 more answers
Make t the subject of this formula.<br> r = 7 (t + 3)
kari74 [83]

Answer:

t= <u>r-21</u>

7

Step-by-step explanation:

r = 7(t+3)

expanding the bracket

r = 7t + 21

bringing t to the left hand side

7t = r - 21

divide both sides by seven

t= <u>r-21</u>

7

3 0
3 years ago
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