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MAVERICK [17]
3 years ago
13

PLEASE HELP ASAP 100 POINTS AND BRAINIEST please solve 7y + 13 -4z when =5 and z =9.

Mathematics
2 answers:
Molodets [167]3 years ago
8 0

Answer:

35+13-36

Step-by-step explanation:

35+13=48

48-36=12

Svetach [21]3 years ago
4 0

the answer is:

=12

if you need the step by step explanation let me know :)

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aev [14]
True.

7/12 is greater than 4/12.

Have a wonderful day! :)

6 0
3 years ago
Read 2 more answers
Pls, look at the picture for the question.
lyudmila [28]

Answer:

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4 0
2 years ago
Altitudes AA1 and BB1 are drawn in acute △ABC. Prove that A1C·BC=B1C·AC
Sophie [7]

Answer:

See the attached figure which represents the problem.

As shown, AA₁ and BB₁ are the altitudes in acute △ABC.

△AA₁C is a right triangle at A₁

So, Cos x = adjacent/hypotenuse = A₁C/AC ⇒(1)

△BB₁C is a right triangle at B₁

So, Cos x = adjacent/hypotenuse = B₁C/BC ⇒(2)

From (1) and  (2)

∴  A₁C/AC = B₁C/BC

using scissors method

∴ A₁C · BC = B₁C · AC

7 0
3 years ago
Find the midpoint of the line segment joining the points (7,1) and (-1,-1)
chubhunter [2.5K]
= x1 + x2/2 , y1 + y2/2
= 7+-1/2 , 1+(-1)/2
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6 0
2 years ago
PLEASE HELP ME I WILL MAKE YOU BRAINLEST
Murljashka [212]

Answer:

1. 5x+3y, 2. 5h, 3. 5x+20-2x+8 --> 3x+28, 4. 2y-6+5x+5 --> 2y+5x-1

Step-by-step explanation:

6 0
3 years ago
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