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kaheart [24]
3 years ago
11

Solve equation 3-8c = 35

Mathematics
1 answer:
djverab [1.8K]3 years ago
4 0
3-8c=35
-8c=35-3
-8c=32
Divide -8 on both sides.
That gives you -4.
That’s the correct answer; the answer is not 4.75.
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-5x + y = -6 <br><br>7x + 2y = 39
storchak [24]

Answer:

so i don't know if they are separate math problems but for the first question i got M=5 and the second question i got M=-7/2

Step-by-step explanation:

hope this helps please mark brainliest

6 0
3 years ago
What is the first ordered pair and the second ordered pair?
Delvig [45]
When x=-5, y=(1/5)*(-5)-1=-2, so the first order pair is (-5,-2)
when y=-1, -1=(1/5)x-1, (1/5)x=0, x=0, so the second ordered pair is (0, -1)
7 0
3 years ago
Two people are standing on opposite sides of a hill. Person A makes an angle of elevation of 65° with the top of the hill and pe
8090 [49]

Answer:

Option 3. 71 ft. is the distance between B and top of the hill.

Step-by-step explanation:

Let the height of the hill is h ft and the distance of A from the hill be x ft and distance from B to hill is y.

It is given distance between A and B is 45 ft. ∠BAO = 65° and ∠ABO = 80°.

We have to find the distance of B from the top of the hill.

Now from ΔACO tan 65 = \frac{h}{45-x} = 2.14

h=2.14(45-x)

From ΔBCO tan80 = \frac{h}{x} = 5.67

h = 5.67x

Now h = 5.67x = 2.14(45-x)

5.67x = 96.3 - 2.14x

2.14x + 5.67x = 96.3

7.81x = 96.3

x = 96.3/7.81 = 12.33 ft

Therefore cos80 = \frac{x}{OB}

0.174 = \frac{12.33}{OB}

OB = \frac{12.33}{.174}=70.86=71ft.

Therefore 71 ft is the distance between B and the top of the hill.

3 0
3 years ago
Can someone help me? I pick brainlest
bulgar [2K]

Answer:

?=8

Step-by-step explanation:

52/ 13 = 4

32/4= ? = 8

6 0
3 years ago
Read 2 more answers
Help with numbers 5-10
zaharov [31]

the answer of this equation is -5

5 0
2 years ago
Read 2 more answers
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